Initial import.

author: Jakob Odersky <jodersky@gmail.com> 2009-11-05 21:02:40 +0000
committer: Jakob Odersky <jodersky@gmail.com> 2009-11-05 21:02:40 +0000
commit: 9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70 (patch)
tree: 4e97fadc391b310ee1cc7156fda590dff414b2c3 /doc
parent: 034bc5930ea6f01745f64a6070711d899d2c27ae (diff)
download: sims-9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70.tar.gz
sims-9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70.tar.bz2
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152 files changed, 31065 insertions, 0 deletions
diff --git a/doc/all-classes.html b/doc/all-classes.html
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+++ b/doc/all-classes.html
@@ -0,0 +1,131 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of all classes and objects</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body onload="init()"><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_A"><a href="sims/collision/AABB.html" target="contentFrame">AABB</a></li>
+<li id="Classes_B"><a href="sims/dynamics/Body.html" target="contentFrame">Body</a></li>
+<li><a href="graphyx/gui/BodyPopup.html" target="contentFrame">BodyPopup</a></li>
+<li id="Classes_C"><a href="sims/dynamics/Circle.html" target="contentFrame">Circle</a></li>
+<li><a href="sims/collision/CircleCollision.html" target="contentFrame">CircleCollision</a></li>
+<li><a href="sims/collision/Collision.html" target="contentFrame">Collision</a></li>
+<li><a href="sims/dynamics/Constraint.html" target="contentFrame">Constraint</a></li>
+<li><a href="graphyx/gui/Container.html" target="contentFrame">Container</a></li>
+<li><a href="graphyx/gui/ControlPanel.html" target="contentFrame">ControlPanel</a></li>
+<li><a href="sims/geometry/ConvexPolygon.html" target="contentFrame">ConvexPolygon</a></li>
+<li id="Classes_D"><a href="sims/collision/Detector.html" target="contentFrame">Detector</a></li>
+<li><a href="sims/dynamics/joints/DistanceJoint.html" target="contentFrame">DistanceJoint</a></li>
+<li><a href="graphyx/graphics/Drawable.html" target="contentFrame">Drawable</a></li>
+<li id="Classes_F"><a href="sims/dynamics/joints/ForceJoint.html" target="contentFrame">ForceJoint</a></li>
+<li id="Classes_G"><a href="graphyx/actors/GUIActor.html" target="contentFrame">GUIActor</a></li>
+<li><a href="graphyx/gui/GrabbedBody.html" target="contentFrame">GrabbedBody</a></li>
+<li><a href="graphyx/graphics/GraphicalAABB.html" target="contentFrame">GraphicalAABB</a></li>
+<li><a href="graphyx/graphics/GraphicalBody.html" target="contentFrame">GraphicalBody</a></li>
+<li><a href="graphyx/graphics/GraphicalCircle.html" target="contentFrame">GraphicalCircle</a></li>
+<li><a href="graphyx/graphics/GraphicalCollision.html" target="contentFrame">GraphicalCollision</a></li>
+<li><a href="graphyx/graphics/GraphicalDistanceJoint.html" target="contentFrame">GraphicalDistanceJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalJoint.html" target="contentFrame">GraphicalJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalObject.html" target="contentFrame">GraphicalObject</a></li>
+<li><a href="graphyx/graphics/GraphicalPair.html" target="contentFrame">GraphicalPair</a></li>
+<li><a href="graphyx/graphics/GraphicalRectangle.html" target="contentFrame">GraphicalRectangle</a></li>
+<li><a href="graphyx/graphics/GraphicalRegularPolygon.html" target="contentFrame">GraphicalRegularPolygon</a></li>
+<li><a href="graphyx/graphics/GraphicalRevoluteJoint.html" target="contentFrame">GraphicalRevoluteJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalShape.html" target="contentFrame">GraphicalShape</a></li>
+<li><a href="graphyx/graphics/GraphicalSpringJoint.html" target="contentFrame">GraphicalSpringJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalWorld.html" target="contentFrame">GraphicalWorld</a></li>
+<li><a href="graphyx/gui/GravityPanel.html" target="contentFrame">GravityPanel</a></li>
+<li><a href="sims/collision/GridDetector.html" target="contentFrame">GridDetector</a></li>
+<li id="Classes_I"><a href="graphyx/gui/InfoPanel.html" target="contentFrame">InfoPanel</a></li>
+<li id="Classes_J"><a href="sims/dynamics/joints/Joint.html" target="contentFrame">Joint</a></li>
+<li id="Classes_M"><a href="graphyx/gui/MainFrame.html" target="contentFrame">MainFrame</a></li>
+<li><a href="graphyx/gui/MainPanel.html" target="contentFrame">MainPanel</a></li>
+<li><a href="sims/math/Matrix22.html" target="contentFrame">Matrix22</a></li>
+<li id="Classes_N"><a href="sims/prefabs/Net.html" target="contentFrame">Net</a></li>
+<li id="Classes_O"><a href="graphyx/gui/OptionsPanel.html" target="contentFrame">OptionsPanel</a></li>
+<li><a href="sims/collision/Overlap.html" target="contentFrame">Overlap</a></li>
+<li id="Classes_P"><a href="sims/collision/Pair.html" target="contentFrame">Pair</a></li>
+<li><a href="graphyx/actors/PhysicsActor.html" target="contentFrame">PhysicsActor</a></li>
+<li><a href="sims/util/Polar.html" target="contentFrame">Polar</a></li>
+<li><a href="sims/collision/PolyCircleCollision.html" target="contentFrame">PolyCircleCollision</a></li>
+<li><a href="sims/collision/PolyCollision.html" target="contentFrame">PolyCollision</a></li>
+<li><a href="graphyx/gui/PopupMenu.html" target="contentFrame">PopupMenu</a></li>
+<li><a href="sims/prefabs/Prefab.html" target="contentFrame">Prefab</a></li>
+<li><a href="sims/geometry/Projection.html" target="contentFrame">Projection</a></li>
+<li><a href="sims/prefabs/Pylon.html" target="contentFrame">Pylon</a></li>
+<li id="Classes_R"><a href="sims/prefabs/Ragdoll.html" target="contentFrame">Ragdoll</a></li>
+<li><a href="sims/geometry/Ray.html" target="contentFrame">Ray</a></li>
+<li><a href="sims/dynamics/Rectangle.html" target="contentFrame">Rectangle</a></li>
+<li><a href="sims/dynamics/RegularPolygon.html" target="contentFrame">RegularPolygon</a></li>
+<li><a href="sims/util/RelativeVector.html" target="contentFrame">RelativeVector</a></li>
+<li><a href="sims/dynamics/joints/RevoluteJoint.html" target="contentFrame">RevoluteJoint</a></li>
+<li id="Classes_S"><a href="graphyx/graphics/Scene.html" target="contentFrame">Scene</a></li>
+<li><a href="sims/geometry/Segment.html" target="contentFrame">Segment</a></li>
+<li><a href="graphyx/actors/SetWorld.html" target="contentFrame">SetWorld</a></li>
+<li><a href="sims/dynamics/Shape.html" target="contentFrame">Shape</a></li>
+<li><a href="graphyx/gui/ShapeInfoPanel.html" target="contentFrame">ShapeInfoPanel</a></li>
+<li><a href="sims/dynamics/joints/SpringJoint.html" target="contentFrame">SpringJoint</a></li>
+<li id="Classes_T"><a href="graphyx/tests/Test.html" target="contentFrame">Test</a></li>
+<li id="Classes_V"><a href="sims/geometry/Vector2D.html" target="contentFrame">Vector2D</a></li>
+<li id="Classes_W"><a href="sims/dynamics/World.html" target="contentFrame">World</a></li>
+<li><a href="graphyx/gui/WorldPanel.html" target="contentFrame">WorldPanel</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_A"><a href="sims/collision/AABB$object.html" target="contentFrame">AABB</a></li>
+<li id="Objects_B"><a href="graphyx/tests/BallStack$object.html" target="contentFrame">BallStack</a></li>
+<li><a href="sims/dynamics/Body$object.html" target="contentFrame">Body</a></li>
+<li id="Objects_C"><a href="graphyx/tests/Chain$object.html" target="contentFrame">Chain</a></li>
+<li><a href="sims/dynamics/Circle$object.html" target="contentFrame">Circle</a></li>
+<li><a href="sims/collision/CircleCollision$object.html" target="contentFrame">CircleCollision</a></li>
+<li><a href="sims/collision/Collision$object.html" target="contentFrame">Collision</a></li>
+<li><a href="graphyx/tests/CompositeShape$object.html" target="contentFrame">CompositeShape</a></li>
+<li><a href="graphyx/tests/Cup$object.html" target="contentFrame">Cup</a></li>
+<li id="Objects_D"><a href="sims/dynamics/joints/DistanceJoint$object.html" target="contentFrame">DistanceJoint</a></li>
+<li id="Objects_E"><a href="graphyx/tests/EmptyTest$object.html" target="contentFrame">EmptyTest</a></li>
+<li><a href="graphyx/actors/Exit$object.html" target="contentFrame">Exit</a></li>
+<li id="Objects_F"><a href="graphyx/actors/FireEvent$object.html" target="contentFrame">FireEvent</a></li>
+<li><a href="graphyx/tests/Friction$object.html" target="contentFrame">Friction</a></li>
+<li><a href="graphyx/tests/Friction2$object.html" target="contentFrame">Friction2</a></li>
+<li id="Objects_G"><a href="graphyx/tests/General1$object.html" target="contentFrame">General1</a></li>
+<li><a href="graphyx/tests/General2$object.html" target="contentFrame">General2</a></li>
+<li><a href="graphyx/graphics/GraphicalAABB$object.html" target="contentFrame">GraphicalAABB</a></li>
+<li><a href="graphyx/graphics/GraphicalBody$object.html" target="contentFrame">GraphicalBody</a></li>
+<li><a href="graphyx/graphics/GraphicalCircle$object.html" target="contentFrame">GraphicalCircle</a></li>
+<li><a href="graphyx/graphics/GraphicalCollision$object.html" target="contentFrame">GraphicalCollision</a></li>
+<li><a href="graphyx/graphics/GraphicalDistanceJoint$object.html" target="contentFrame">GraphicalDistanceJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalPair$object.html" target="contentFrame">GraphicalPair</a></li>
+<li><a href="graphyx/graphics/GraphicalRectangle$object.html" target="contentFrame">GraphicalRectangle</a></li>
+<li><a href="graphyx/graphics/GraphicalRegularPolygon$object.html" target="contentFrame">GraphicalRegularPolygon</a></li>
+<li><a href="graphyx/graphics/GraphicalRevoluteJoint$object.html" target="contentFrame">GraphicalRevoluteJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalSpringJoint$object.html" target="contentFrame">GraphicalSpringJoint</a></li>
+<li><a href="graphyx/graphics/GraphicalWorld$object.html" target="contentFrame">GraphicalWorld</a></li>
+<li><a href="graphyx/Graphyx$object.html" target="contentFrame">Graphyx</a></li>
+<li id="Objects_J"><a href="graphyx/tests/Joints1$object.html" target="contentFrame">Joints1</a></li>
+<li><a href="graphyx/tests/Joints2$object.html" target="contentFrame">Joints2</a></li>
+<li id="Objects_M"><a href="sims/math/Matrix22$object.html" target="contentFrame">Matrix22</a></li>
+<li id="Objects_N"><a href="graphyx/tests/Net$object.html" target="contentFrame">Net</a></li>
+<li id="Objects_O"><a href="sims/collision/Overlap$object.html" target="contentFrame">Overlap</a></li>
+<li id="Objects_P"><a href="sims/collision/Pair$object.html" target="contentFrame">Pair</a></li>
+<li><a href="graphyx/graphics/Parser$object.html" target="contentFrame">Parser</a></li>
+<li><a href="sims/util/Polar$object.html" target="contentFrame">Polar</a></li>
+<li><a href="sims/collision/PolyCircleCollision$object.html" target="contentFrame">PolyCircleCollision</a></li>
+<li><a href="sims/collision/PolyCollision$object.html" target="contentFrame">PolyCollision</a></li>
+<li><a href="sims/util/Positioning$object.html" target="contentFrame">Positioning</a></li>
+<li><a href="sims/geometry/Projection$object.html" target="contentFrame">Projection</a></li>
+<li id="Objects_R"><a href="graphyx/tests/RagdollTest$object.html" target="contentFrame">RagdollTest</a></li>
+<li><a href="sims/geometry/Ray$object.html" target="contentFrame">Ray</a></li>
+<li><a href="sims/dynamics/Rectangle$object.html" target="contentFrame">Rectangle</a></li>
+<li><a href="sims/dynamics/RegularPolygon$object.html" target="contentFrame">RegularPolygon</a></li>
+<li><a href="graphyx/tests/Restitution$object.html" target="contentFrame">Restitution</a></li>
+<li><a href="sims/dynamics/joints/RevoluteJoint$object.html" target="contentFrame">RevoluteJoint</a></li>
+<li id="Objects_S"><a href="graphyx/graphics/Scene$object.html" target="contentFrame">Scene</a></li>
+<li><a href="sims/geometry/Segment$object.html" target="contentFrame">Segment</a></li>
+<li><a href="graphyx/actors/SetWorld$object.html" target="contentFrame">SetWorld</a></li>
+<li><a href="sims/dynamics/Shape$object.html" target="contentFrame">Shape</a></li>
+<li><a href="sims/dynamics/joints/SpringJoint$object.html" target="contentFrame">SpringJoint</a></li>
+<li><a href="graphyx/tests/Stacking$object.html" target="contentFrame">Stacking</a></li>
+<li><a href="graphyx/actors/Start$object.html" target="contentFrame">Start</a></li>
+<li><a href="graphyx/actors/Stop$object.html" target="contentFrame">Stop</a></li>
+<li id="Objects_V"><a href="sims/geometry/Vector2D$object.html" target="contentFrame">Vector2D</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx$content.html b/doc/graphyx$content.html
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+++ b/doc/graphyx$content.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in graphyx</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="graphyx/Graphyx$object.html" target="_self">Graphyx</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx$package.html b/doc/graphyx$package.html
new file mode 100644
index 0000000..ce0ccc2
--- /dev/null
+++ b/doc/graphyx$package.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package graphyx</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="graphyx$content.html" target="contentFrame">graphyx</a>
+          </td></tr>
+        </table><div>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_G"><a href="graphyx/Graphyx$object.html" target="contentFrame">Graphyx</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/Graphyx$object.html b/doc/graphyx/Graphyx$object.html
new file mode 100644
index 0000000..1e705a8
--- /dev/null
+++ b/doc/graphyx/Graphyx$object.html
@@ -0,0 +1,221 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Graphyx in graphyx</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../graphyx$package.html" target="_self">graphyx</a>
+        <br></br>
+        <span class="entity">object  Graphyx</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/Graphyx"><code>graphyx/Graphyx.scala</code></a>]
+      </div><hr></hr>
+      <a name="Graphyx"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Graphyx</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#guiActor" target="_self">guiActor</a></em>
+         : <a href="../graphyx/actors/GUIActor.html" target="_self">GUIActor</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#physicsActor" target="_self">physicsActor</a></em>
+         : <a href="../graphyx/actors/PhysicsActor.html" target="_self">PhysicsActor</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#tests" target="_self">tests</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../graphyx/tests/Test.html" target="_self">Test</a>]
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#exit%28%29" target="_self">exit</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#main%28Array%5BString%5D%29" target="_self">main</a></em>
+        (<em>args</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#test" target="_self">test</a></em>
+         : <a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/Graphyx$object.html#test_%3D%28graphyx.tests.Test%29" target="_self">test_=</a></em>
+        (<em>t</em> : <a href="../graphyx/tests/Test.html" target="_self">Test</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="tests"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>tests</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../graphyx/tests/Test.html" target="_self">Test</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="physicsActor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>physicsActor</em> : <a href="../graphyx/actors/PhysicsActor.html" target="_self">PhysicsActor</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="guiActor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>guiActor</em> : <a href="../graphyx/actors/GUIActor.html" target="_self">GUIActor</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="test"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>test</em> : <a href="../graphyx/tests/Test.html" target="_self">Test</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="test_%3D%28graphyx.tests.Test%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>test_=</em>(<em>t</em> : <a href="../graphyx/tests/Test.html" target="_self">Test</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="main%28Array%5BString%5D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>main</em>(<em>args</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="exit%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>exit</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors$content.html b/doc/graphyx/actors$content.html
new file mode 100644
index 0000000..03856e4
--- /dev/null
+++ b/doc/graphyx/actors$content.html
@@ -0,0 +1,100 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/GUIActor.html" target="_self">GUIActor</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/PhysicsActor.html" target="_self">PhysicsActor</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/SetWorld.html" target="_self">SetWorld</a></em>
+        (<code>val </code><em>world</em> : <a href="../sims/dynamics/World.html" target="_self">World</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code>case object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/Exit$object.html" target="_self">Exit</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/FireEvent$object.html" target="_self">FireEvent</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/SetWorld$object.html" target="_self">SetWorld</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../graphyx/actors/SetWorld.html" target="_self">SetWorld</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/Start$object.html" target="_self">Start</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/actors/Stop$object.html" target="_self">Stop</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors$package.html b/doc/graphyx/actors$package.html
new file mode 100644
index 0000000..c79a9d8
--- /dev/null
+++ b/doc/graphyx/actors$package.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../graphyx/actors$content.html" target="contentFrame">graphyx.actors</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_G"><a href="../graphyx/actors/GUIActor.html" target="contentFrame">GUIActor</a></li>
+<li id="Classes_P"><a href="../graphyx/actors/PhysicsActor.html" target="contentFrame">PhysicsActor</a></li>
+<li id="Classes_S"><a href="../graphyx/actors/SetWorld.html" target="contentFrame">SetWorld</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_E"><a href="../graphyx/actors/Exit$object.html" target="contentFrame">Exit</a></li>
+<li id="Objects_F"><a href="../graphyx/actors/FireEvent$object.html" target="contentFrame">FireEvent</a></li>
+<li id="Objects_S"><a href="../graphyx/actors/SetWorld$object.html" target="contentFrame">SetWorld</a></li>
+<li><a href="../graphyx/actors/Start$object.html" target="contentFrame">Start</a></li>
+<li><a href="../graphyx/actors/Stop$object.html" target="contentFrame">Stop</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/Exit$object.html b/doc/graphyx/actors/Exit$object.html
new file mode 100644
index 0000000..ad24c13
--- /dev/null
+++ b/doc/graphyx/actors/Exit$object.html
@@ -0,0 +1,205 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Exit in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">object  Exit</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/Exit"><code>graphyx/actors/Exit.scala</code></a>]
+      </div><hr></hr>
+      <a name="Exit"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>object</code>
+        <em>Exit</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Exit$object.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Exit$object.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Exit$object.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>protected def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Exit$object.html#readResolve%28%29" target="_self">readResolve</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override final def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Exit$object.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override final</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr>
+<a name="readResolve%28%29"></a><dl>
+      <dt>
+        
+        <code>protected</code>
+        <code>def</code>
+        <em>readResolve</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/FireEvent$object.html b/doc/graphyx/actors/FireEvent$object.html
new file mode 100644
index 0000000..978fd70
--- /dev/null
+++ b/doc/graphyx/actors/FireEvent$object.html
@@ -0,0 +1,205 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object FireEvent in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">object  FireEvent</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/FireEvent"><code>graphyx/actors/FireEvent.scala</code></a>]
+      </div><hr></hr>
+      <a name="FireEvent"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>object</code>
+        <em>FireEvent</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/FireEvent$object.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/FireEvent$object.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/FireEvent$object.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>protected def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/FireEvent$object.html#readResolve%28%29" target="_self">readResolve</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override final def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/FireEvent$object.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override final</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr>
+<a name="readResolve%28%29"></a><dl>
+      <dt>
+        
+        <code>protected</code>
+        <code>def</code>
+        <em>readResolve</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/GUIActor.html b/doc/graphyx/actors/GUIActor.html
new file mode 100644
index 0000000..2dbb266
--- /dev/null
+++ b/doc/graphyx/actors/GUIActor.html
@@ -0,0 +1,162 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GUIActor in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">class  GUIActor</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/GUIActor"><code>graphyx/actors/GUIActor.scala</code></a>]
+      </div><hr></hr>
+      <a name="GUIActor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>GUIActor</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/GUIActor.html#container" target="_self">container</a></em>
+         : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/GUIActor.html#continue" target="_self">continue</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#mailbox" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.mailbox</a>, <a href="#trapExit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.trapExit</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/GUIActor.html#act%28%29" target="_self">act</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#scheduler" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.scheduler</a>, <a href="#mailboxSize" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.mailboxSize</a>, <a href="#send" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.send</a>, <a href="#receive" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receive</a>, <a href="#receiveWithin" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receiveWithin</a>, <a href="#react" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.react</a>, <a href="#reactWithin" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.reactWithin</a>, <a href="#!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!</a>, <a href="#forward" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.forward</a>, <a href="#!?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!?</a>, <a href="#!?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!?</a>, <a href="#!!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!!</a>, <a href="#!!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!!</a>, <a href="#reply" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.reply</a>, <a href="#?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.?</a>, <a href="#sender" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.sender</a>, <a href="#receiver" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receiver</a>, <a href="#scheduleActor" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.scheduleActor</a>, <a href="#start" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.start</a>, <a href="#link" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.link</a>, <a href="#link" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.link</a>, <a href="#unlink" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.unlink</a>, <a href="#exit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.exit</a>, <a href="#exit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.exit</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="container"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="continue"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>continue</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="act%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>act</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>.<a href="#act" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.act</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/PhysicsActor.html b/doc/graphyx/actors/PhysicsActor.html
new file mode 100644
index 0000000..53f230e
--- /dev/null
+++ b/doc/graphyx/actors/PhysicsActor.html
@@ -0,0 +1,202 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class PhysicsActor in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">class  PhysicsActor</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/PhysicsActor"><code>graphyx/actors/PhysicsActor.scala</code></a>]
+      </div><hr></hr>
+      <a name="PhysicsActor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>PhysicsActor</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/PhysicsActor.html#continue" target="_self">continue</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/PhysicsActor.html#simulate" target="_self">simulate</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/PhysicsActor.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#mailbox" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.mailbox</a>, <a href="#trapExit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.trapExit</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/PhysicsActor.html#act%28%29" target="_self">act</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/PhysicsActor.html#fps" target="_self">fps</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#scheduler" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.scheduler</a>, <a href="#mailboxSize" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.mailboxSize</a>, <a href="#send" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.send</a>, <a href="#receive" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receive</a>, <a href="#receiveWithin" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receiveWithin</a>, <a href="#react" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.react</a>, <a href="#reactWithin" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.reactWithin</a>, <a href="#!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!</a>, <a href="#forward" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.forward</a>, <a href="#!?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!?</a>, <a href="#!?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!?</a>, <a href="#!!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!!</a>, <a href="#!!" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.!!</a>, <a href="#reply" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.reply</a>, <a href="#?" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.?</a>, <a href="#sender" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.sender</a>, <a href="#receiver" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.receiver</a>, <a href="#scheduleActor" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.scheduleActor</a>, <a href="#start" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.start</a>, <a href="#link" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.link</a>, <a href="#link" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.link</a>, <a href="#unlink" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.unlink</a>, <a href="#exit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.exit</a>, <a href="#exit" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.exit</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="continue"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>continue</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="simulate"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>simulate</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="fps"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fps</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="act%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>act</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor</a>.<a href="#act" target="contentFrame" class="scala/actors/Actor">scala.actors.Actor.act</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/SetWorld$object.html b/doc/graphyx/actors/SetWorld$object.html
new file mode 100644
index 0000000..c1f59bf
--- /dev/null
+++ b/doc/graphyx/actors/SetWorld$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object SetWorld in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">object  SetWorld</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/SetWorld"><code>graphyx/actors/SetWorld.scala</code></a>]
+      </div><hr></hr>
+      <a name="SetWorld"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>SetWorld</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../../graphyx/actors/SetWorld.html" target="_self">SetWorld</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/SetWorld.html b/doc/graphyx/actors/SetWorld.html
new file mode 100644
index 0000000..2eacdd1
--- /dev/null
+++ b/doc/graphyx/actors/SetWorld.html
@@ -0,0 +1,276 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class SetWorld in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">class  SetWorld</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/SetWorld"><code>graphyx/actors/SetWorld.scala</code></a>]
+      </div><hr></hr>
+      <a name="SetWorld"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>SetWorld</em>(<code>val </code><em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/SetWorld.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/Start$object.html b/doc/graphyx/actors/Start$object.html
new file mode 100644
index 0000000..3d38727
--- /dev/null
+++ b/doc/graphyx/actors/Start$object.html
@@ -0,0 +1,205 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Start in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">object  Start</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/Start"><code>graphyx/actors/Start.scala</code></a>]
+      </div><hr></hr>
+      <a name="Start"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>object</code>
+        <em>Start</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Start$object.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Start$object.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Start$object.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>protected def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Start$object.html#readResolve%28%29" target="_self">readResolve</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override final def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Start$object.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override final</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr>
+<a name="readResolve%28%29"></a><dl>
+      <dt>
+        
+        <code>protected</code>
+        <code>def</code>
+        <em>readResolve</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/actors/Stop$object.html b/doc/graphyx/actors/Stop$object.html
new file mode 100644
index 0000000..c4d3caf
--- /dev/null
+++ b/doc/graphyx/actors/Stop$object.html
@@ -0,0 +1,205 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Stop in graphyx.actors</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/actors$package.html" target="_self">graphyx.actors</a>
+        <br></br>
+        <span class="entity">object  Stop</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/actors/Stop"><code>graphyx/actors/Stop.scala</code></a>]
+      </div><hr></hr>
+      <a name="Stop"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>object</code>
+        <em>Stop</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Stop$object.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Stop$object.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Stop$object.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>protected def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Stop$object.html#readResolve%28%29" target="_self">readResolve</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override final def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/actors/Stop$object.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override final</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr>
+<a name="readResolve%28%29"></a><dl>
+      <dt>
+        
+        <code>protected</code>
+        <code>def</code>
+        <em>readResolve</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics$content.html b/doc/graphyx/graphics$content.html
new file mode 100644
index 0000000..b9d8189
--- /dev/null
+++ b/doc/graphyx/graphics$content.html
@@ -0,0 +1,332 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/Drawable.html" target="_self">Drawable</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Enthaelt Methoden und Felder fuer graphische Darstellungen.
+ Alle Klassen die dieses Trait implementieren koennen graphisch dargestellt werden.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/collision/AABB.html" target="_self">AABB</a>)<code> extends </code><a href="../sims/collision/AABB.html" target="_self">AABB</a><code> with </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/Body.html" target="_self">Body</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalCircle.html" target="_self">GraphicalCircle</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>)<code> extends </code><a href="../sims/dynamics/Circle.html" target="_self">Circle</a><code> with </code><a href="../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/collision/Collision.html" target="_self">Collision</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalDistanceJoint.html" target="_self">GraphicalDistanceJoint</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a></em>
+        <code> extends </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a></em>
+        <code> extends </code><a href="../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        
+        <div>Only copies functional info! (e.g. Graphical world does not include shapes, bodies).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/collision/Pair.html" target="_self">Pair</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRectangle.html" target="_self">GraphicalRectangle</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>)<code> extends </code><a href="../sims/dynamics/Rectangle.html" target="_self">Rectangle</a><code> with </code><a href="../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRegularPolygon.html" target="_self">GraphicalRegularPolygon</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>)<code> extends </code><a href="../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a><code> with </code><a href="../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRevoluteJoint.html" target="_self">GraphicalRevoluteJoint</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a></em>
+        <code> extends </code><a href="../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalSpringJoint.html" target="_self">GraphicalSpringJoint</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>)<code> extends </code><a href="../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalWorld.html" target="_self">GraphicalWorld</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/World.html" target="_self">World</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/Scene.html" target="_self">Scene</a></em>
+        (<code>val </code><em>real</em> : <a href="../sims/dynamics/World.html" target="_self">World</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalAABB$object.html" target="_self">GraphicalAABB</a></em>
+        <code> extends </code>(<a href="../sims/collision/AABB.html" target="_self">AABB</a>) =&gt; <a href="../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalBody$object.html" target="_self">GraphicalBody</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/Body.html" target="_self">Body</a>) =&gt; <a href="../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalCircle$object.html" target="_self">GraphicalCircle</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../graphyx/graphics/GraphicalCircle.html" target="_self">GraphicalCircle</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalCollision$object.html" target="_self">GraphicalCollision</a></em>
+        <code> extends </code>(<a href="../sims/collision/Collision.html" target="_self">Collision</a>) =&gt; <a href="../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalDistanceJoint$object.html" target="_self">GraphicalDistanceJoint</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>) =&gt; <a href="../graphyx/graphics/GraphicalDistanceJoint.html" target="_self">GraphicalDistanceJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalPair$object.html" target="_self">GraphicalPair</a></em>
+        <code> extends </code>(<a href="../sims/collision/Pair.html" target="_self">Pair</a>) =&gt; <a href="../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRectangle$object.html" target="_self">GraphicalRectangle</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>) =&gt; <a href="../graphyx/graphics/GraphicalRectangle.html" target="_self">GraphicalRectangle</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRegularPolygon$object.html" target="_self">GraphicalRegularPolygon</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>) =&gt; <a href="../graphyx/graphics/GraphicalRegularPolygon.html" target="_self">GraphicalRegularPolygon</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalRevoluteJoint$object.html" target="_self">GraphicalRevoluteJoint</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>) =&gt; <a href="../graphyx/graphics/GraphicalRevoluteJoint.html" target="_self">GraphicalRevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalSpringJoint$object.html" target="_self">GraphicalSpringJoint</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>) =&gt; <a href="../graphyx/graphics/GraphicalSpringJoint.html" target="_self">GraphicalSpringJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/GraphicalWorld$object.html" target="_self">GraphicalWorld</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../graphyx/graphics/GraphicalWorld.html" target="_self">GraphicalWorld</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/Parser$object.html" target="_self">Parser</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/graphics/Scene$object.html" target="_self">Scene</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../graphyx/graphics/Scene.html" target="_self">Scene</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics$package.html b/doc/graphyx/graphics$package.html
new file mode 100644
index 0000000..94f5f77
--- /dev/null
+++ b/doc/graphyx/graphics$package.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../graphyx/graphics$content.html" target="contentFrame">graphyx.graphics</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_D"><a href="../graphyx/graphics/Drawable.html" target="contentFrame">Drawable</a></li>
+<li id="Classes_G"><a href="../graphyx/graphics/GraphicalAABB.html" target="contentFrame">GraphicalAABB</a></li>
+<li><a href="../graphyx/graphics/GraphicalBody.html" target="contentFrame">GraphicalBody</a></li>
+<li><a href="../graphyx/graphics/GraphicalCircle.html" target="contentFrame">GraphicalCircle</a></li>
+<li><a href="../graphyx/graphics/GraphicalCollision.html" target="contentFrame">GraphicalCollision</a></li>
+<li><a href="../graphyx/graphics/GraphicalDistanceJoint.html" target="contentFrame">GraphicalDistanceJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalJoint.html" target="contentFrame">GraphicalJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalObject.html" target="contentFrame">GraphicalObject</a></li>
+<li><a href="../graphyx/graphics/GraphicalPair.html" target="contentFrame">GraphicalPair</a></li>
+<li><a href="../graphyx/graphics/GraphicalRectangle.html" target="contentFrame">GraphicalRectangle</a></li>
+<li><a href="../graphyx/graphics/GraphicalRegularPolygon.html" target="contentFrame">GraphicalRegularPolygon</a></li>
+<li><a href="../graphyx/graphics/GraphicalRevoluteJoint.html" target="contentFrame">GraphicalRevoluteJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalShape.html" target="contentFrame">GraphicalShape</a></li>
+<li><a href="../graphyx/graphics/GraphicalSpringJoint.html" target="contentFrame">GraphicalSpringJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalWorld.html" target="contentFrame">GraphicalWorld</a></li>
+<li id="Classes_S"><a href="../graphyx/graphics/Scene.html" target="contentFrame">Scene</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_G"><a href="../graphyx/graphics/GraphicalAABB$object.html" target="contentFrame">GraphicalAABB</a></li>
+<li><a href="../graphyx/graphics/GraphicalBody$object.html" target="contentFrame">GraphicalBody</a></li>
+<li><a href="../graphyx/graphics/GraphicalCircle$object.html" target="contentFrame">GraphicalCircle</a></li>
+<li><a href="../graphyx/graphics/GraphicalCollision$object.html" target="contentFrame">GraphicalCollision</a></li>
+<li><a href="../graphyx/graphics/GraphicalDistanceJoint$object.html" target="contentFrame">GraphicalDistanceJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalPair$object.html" target="contentFrame">GraphicalPair</a></li>
+<li><a href="../graphyx/graphics/GraphicalRectangle$object.html" target="contentFrame">GraphicalRectangle</a></li>
+<li><a href="../graphyx/graphics/GraphicalRegularPolygon$object.html" target="contentFrame">GraphicalRegularPolygon</a></li>
+<li><a href="../graphyx/graphics/GraphicalRevoluteJoint$object.html" target="contentFrame">GraphicalRevoluteJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalSpringJoint$object.html" target="contentFrame">GraphicalSpringJoint</a></li>
+<li><a href="../graphyx/graphics/GraphicalWorld$object.html" target="contentFrame">GraphicalWorld</a></li>
+<li id="Objects_P"><a href="../graphyx/graphics/Parser$object.html" target="contentFrame">Parser</a></li>
+<li id="Objects_S"><a href="../graphyx/graphics/Scene$object.html" target="contentFrame">Scene</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/Drawable.html b/doc/graphyx/graphics/Drawable.html
new file mode 100644
index 0000000..f5e00fc
--- /dev/null
+++ b/doc/graphyx/graphics/Drawable.html
@@ -0,0 +1,397 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait Drawable in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">trait  Drawable</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/Drawable"><code>graphyx/graphics/Drawable.scala</code></a>]
+      </div><hr></hr>
+      <a name="Drawable"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>Drawable</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Enthaelt Methoden und Felder fuer graphische Darstellungen.
+ Alle Klassen die dieses Trait implementieren koennen graphisch dargestellt werden.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a></em>
+         : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>
+        
+        <div>Java Graphics Objekt zur graphischen Darstellung</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Anzahl von Pixeln pro Meter.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Skala in der die graphischen Objekte gezeichnet werden.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Hoehe des Fensters in Pixeln.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a></em>
+        (<em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Korrigiert einen Y-Wert in Bildschirmkoordinaten zu seinem kartesischen Aequivalent.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a></em>
+        (<em>center</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt einen Kreis auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a></em>
+        (<em>startPoint</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>endPoint</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt eine Linie auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt einen Punkt auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a></em>
+        (<em>points</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt ein Polygon auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt einen Vektor auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a></em>
+        (<em>center</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt einen massiven Kreis auf <code>g</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a></em>
+        (<em>points</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Malt ein massives Polygon auf <code>g</code>.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="g"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Java Graphics Objekt zur graphischen Darstellung</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="ppm"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>ppm</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Anzahl von Pixeln pro Meter.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="scale"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>scale</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Skala in der die graphischen Objekte gezeichnet werden.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="windowHeight"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>windowHeight</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Hoehe des Fensters in Pixeln.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="correctY%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctY</em>(<em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert einen Y-Wert in Bildschirmkoordinaten zu seinem kartesischen Aequivalent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>y - </code>zu korrigierender Wert</dd></dl>
+    <hr></hr>
+<a name="drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawLine</em>(<em>startPoint</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>endPoint</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt eine Linie auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>startPoint - </code>Startpunkt in Weltkoordinaten</dd><dd><code>endPoint - </code>Endpunkt in Weltkoordinaten</dd></dl>
+    <hr></hr>
+<a name="fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fillPolygon</em>(<em>points</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt ein massives Polygon auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>points - </code>Eckpunkte des Polygons in Weltkoordinaten</dd></dl>
+    <hr></hr>
+<a name="drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawPolygon</em>(<em>points</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt ein Polygon auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>points - </code>Eckpunkte des Polygons in Weltkoordinaten</dd></dl>
+    <hr></hr>
+<a name="fillCircle%28sims.geometry.Vector2D%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fillCircle</em>(<em>center</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt einen massiven Kreis auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>center - </code>Mitte des Kreises in Weltkoordinaten</dd><dd><code>radius - </code>Radius des Kreises</dd></dl>
+    <hr></hr>
+<a name="drawCircle%28sims.geometry.Vector2D%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawCircle</em>(<em>center</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt einen Kreis auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>center - </code>Mitte des Kreises in Weltkoordinaten</dd><dd><code>radius - </code>Radius des Kreises</dd></dl>
+    <hr></hr>
+<a name="drawPoint%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawPoint</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt einen Punkt auf <code>g</code>.
+   <p>
+   Der Punkt wird von einem Kreis umgeben.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>point - </code>Punkt in Weltkoordinaten</dd></dl>
+    <hr></hr>
+<a name="drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawVector</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Malt einen Vektor auf <code>g</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>Vektor in Weltkoordinaten</dd><dd><code>p - </code>Ursprungspunkt in Weltkoordinaten</dd></dl>
+    <hr></hr>
+<a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalAABB$object.html b/doc/graphyx/graphics/GraphicalAABB$object.html
new file mode 100644
index 0000000..02225f7
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalAABB$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalAABB in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalAABB</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalAABB"><code>graphyx/graphics/GraphicalAABB.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalAABB"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalAABB</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/collision/AABB.html" target="_self">AABB</a>) =&gt; <a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalAABB.html b/doc/graphyx/graphics/GraphicalAABB.html
new file mode 100644
index 0000000..6855bd7
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalAABB.html
@@ -0,0 +1,355 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalAABB in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalAABB</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalAABB"><code>graphyx/graphics/GraphicalAABB.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalAABB"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalAABB</em>(<code>val </code><em>real</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/collision/AABB.html" target="_self">AABB</a><code> with </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/collision/AABB.html#minVertex" target="_self">minVertex</a>, <a href="../../sims/collision/AABB.html#maxVertex" target="_self">maxVertex</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalAABB.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/collision/AABB.html#overlaps%28sims.collision.AABB%29" target="_self">overlaps</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#hashCode%28%29" target="_self">hashCode</a>
+        </dd>
+      </dl><hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#toString%28%29" target="_self">toString</a>
+        </dd>
+      </dl><hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#equals%28Any%29" target="_self">equals</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#productPrefix" target="_self">productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#productArity" target="_self">productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/AABB.html" target="_self">AABB</a>.<a href="../../sims/collision/AABB.html#productElement%28Int%29" target="_self">productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalBody$object.html b/doc/graphyx/graphics/GraphicalBody$object.html
new file mode 100644
index 0000000..cd8f5c8
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalBody$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalBody in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalBody</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalBody"><code>graphyx/graphics/GraphicalBody.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalBody</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Body.html" target="_self">Body</a>) =&gt; <a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalBody.html b/doc/graphyx/graphics/GraphicalBody.html
new file mode 100644
index 0000000..8b3c88d
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalBody.html
@@ -0,0 +1,383 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalBody in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalBody</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalBody"><code>graphyx/graphics/GraphicalBody.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalBody"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalBody</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#fixed" target="_self">fixed</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#monitor" target="_self">monitor</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#pos" target="_self">pos</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalBody.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="pos"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>pos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="fixed"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>fixed</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="monitor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>monitor</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalCircle$object.html b/doc/graphyx/graphics/GraphicalCircle$object.html
new file mode 100644
index 0000000..bdf676e
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalCircle$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalCircle in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalCircle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalCircle"><code>graphyx/graphics/GraphicalCircle.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalCircle"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalCircle</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../../graphyx/graphics/GraphicalCircle.html" target="_self">GraphicalCircle</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalCircle.html b/doc/graphyx/graphics/GraphicalCircle.html
new file mode 100644
index 0000000..1cf6174
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalCircle.html
@@ -0,0 +1,369 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalCircle in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalCircle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalCircle"><code>graphyx/graphics/GraphicalCircle.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalCircle"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalCircle</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Circle.html" target="_self">Circle</a><code> with </code><a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/GraphicalShape.html#uid" target="_self">uid</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Circle.html#radius" target="_self">radius</a>, <a href="../../sims/dynamics/Circle.html#density" target="_self">density</a>, <a href="../../sims/dynamics/Circle.html#volume" target="_self">volume</a>, <a href="../../sims/dynamics/Circle.html#I" target="_self">I</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCircle.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Circle.html#AABB" target="_self">AABB</a>, <a href="../../sims/dynamics/Circle.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>, <a href="../../sims/dynamics/Circle.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#hashCode%28%29" target="_self">hashCode</a>
+        </dd>
+      </dl><hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#toString%28%29" target="_self">toString</a>
+        </dd>
+      </dl><hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#equals%28Any%29" target="_self">equals</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#productPrefix" target="_self">productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#productArity" target="_self">productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>.<a href="../../sims/dynamics/Circle.html#productElement%28Int%29" target="_self">productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalCollision$object.html b/doc/graphyx/graphics/GraphicalCollision$object.html
new file mode 100644
index 0000000..6c382a1
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalCollision$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalCollision in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalCollision"><code>graphyx/graphics/GraphicalCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalCollision"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalCollision</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/collision/Collision.html" target="_self">Collision</a>) =&gt; <a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalCollision.html b/doc/graphyx/graphics/GraphicalCollision.html
new file mode 100644
index 0000000..4d8c1e9
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalCollision.html
@@ -0,0 +1,363 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalCollision in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalCollision"><code>graphyx/graphics/GraphicalCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalCollision"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalCollision</em>(<code>val </code><em>real</em> : <a href="../../sims/collision/Collision.html" target="_self">Collision</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#normal" target="_self">normal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#points" target="_self">points</a></em>
+         : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalCollision.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="points"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>points</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="normal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>normal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalDistanceJoint$object.html b/doc/graphyx/graphics/GraphicalDistanceJoint$object.html
new file mode 100644
index 0000000..709089b
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalDistanceJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalDistanceJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalDistanceJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalDistanceJoint"><code>graphyx/graphics/GraphicalDistanceJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalDistanceJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalDistanceJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>) =&gt; <a href="../../graphyx/graphics/GraphicalDistanceJoint.html" target="_self">GraphicalDistanceJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalDistanceJoint.html b/doc/graphyx/graphics/GraphicalDistanceJoint.html
new file mode 100644
index 0000000..bb001e3
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalDistanceJoint.html
@@ -0,0 +1,356 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalDistanceJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalDistanceJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalDistanceJoint"><code>graphyx/graphics/GraphicalDistanceJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalDistanceJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalDistanceJoint</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#connection2" target="_self">connection2</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalDistanceJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>connection1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="connection2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>connection2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalJoint.html b/doc/graphyx/graphics/GraphicalJoint.html
new file mode 100644
index 0000000..69c1c32
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalJoint.html
@@ -0,0 +1,132 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait GraphicalJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">trait  GraphicalJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalJoint"><code>graphyx/graphics/GraphicalJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>GraphicalJoint</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a></dd>
+    </dl><dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalDistanceJoint.html" target="_self">GraphicalDistanceJoint</a>, <a href="../../graphyx/graphics/GraphicalRevoluteJoint.html" target="_self">GraphicalRevoluteJoint</a>, <a href="../../graphyx/graphics/GraphicalSpringJoint.html" target="_self">GraphicalSpringJoint</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalJoint.html#real" target="_self">real</a></em>
+         : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>
+        
+        <div>Pointer to real object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a> (abstract)
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="real"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>real</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Pointer to real object.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#real" target="_self">real</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalObject.html b/doc/graphyx/graphics/GraphicalObject.html
new file mode 100644
index 0000000..4add644
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalObject.html
@@ -0,0 +1,154 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait GraphicalObject in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">trait  GraphicalObject</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalObject"><code>graphyx/graphics/GraphicalObject.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalObject"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>GraphicalObject</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a></dd>
+    </dl>
+      <dl><dd>Only copies functional info! (e.g. Graphical world does not include shapes, bodies).</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>, <a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>, <a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>, <a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a>, <a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>, <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalObject.html#real" target="_self">real</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Pointer to real object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="real"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>real</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Pointer to real object.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>.<a href="../../graphyx/graphics/Drawable.html#draw%28%29" target="_self">draw</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalPair$object.html b/doc/graphyx/graphics/GraphicalPair$object.html
new file mode 100644
index 0000000..7b37b60
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalPair$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalPair in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalPair</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalPair"><code>graphyx/graphics/GraphicalPair.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalPair"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalPair</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/collision/Pair.html" target="_self">Pair</a>) =&gt; <a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalPair.html b/doc/graphyx/graphics/GraphicalPair.html
new file mode 100644
index 0000000..27ad098
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalPair.html
@@ -0,0 +1,363 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalPair in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalPair</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalPair"><code>graphyx/graphics/GraphicalPair.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalPair"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalPair</em>(<code>val </code><em>real</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#pos1" target="_self">pos1</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#pos2" target="_self">pos2</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalPair.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="pos1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>pos1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="pos2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>pos2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRectangle$object.html b/doc/graphyx/graphics/GraphicalRectangle$object.html
new file mode 100644
index 0000000..cb18cac
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRectangle$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalRectangle in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalRectangle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRectangle"><code>graphyx/graphics/GraphicalRectangle.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRectangle"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalRectangle</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>) =&gt; <a href="../../graphyx/graphics/GraphicalRectangle.html" target="_self">GraphicalRectangle</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRectangle.html b/doc/graphyx/graphics/GraphicalRectangle.html
new file mode 100644
index 0000000..264601b
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRectangle.html
@@ -0,0 +1,376 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalRectangle in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalRectangle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRectangle"><code>graphyx/graphics/GraphicalRectangle.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRectangle"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalRectangle</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a><code> with </code><a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/GraphicalShape.html#uid" target="_self">uid</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Rectangle.html#halfWidth" target="_self">halfWidth</a>, <a href="../../sims/dynamics/Rectangle.html#halfHeight" target="_self">halfHeight</a>, <a href="../../sims/dynamics/Rectangle.html#density" target="_self">density</a>, <a href="../../sims/dynamics/Rectangle.html#volume" target="_self">volume</a>, <a href="../../sims/dynamics/Rectangle.html#I" target="_self">I</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRectangle.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Rectangle.html#halfDiags" target="_self">halfDiags</a>, <a href="../../sims/dynamics/Rectangle.html#vertices" target="_self">vertices</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/geometry/ConvexPolygon.html#sides" target="_self">sides</a>, <a href="../../sims/geometry/ConvexPolygon.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>, <a href="../../sims/geometry/ConvexPolygon.html#AABB" target="_self">AABB</a>, <a href="../../sims/geometry/ConvexPolygon.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#hashCode%28%29" target="_self">hashCode</a>
+        </dd>
+      </dl><hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#toString%28%29" target="_self">toString</a>
+        </dd>
+      </dl><hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#equals%28Any%29" target="_self">equals</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#productPrefix" target="_self">productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#productArity" target="_self">productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>.<a href="../../sims/dynamics/Rectangle.html#productElement%28Int%29" target="_self">productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRegularPolygon$object.html b/doc/graphyx/graphics/GraphicalRegularPolygon$object.html
new file mode 100644
index 0000000..65d69bc
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRegularPolygon$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalRegularPolygon in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalRegularPolygon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRegularPolygon"><code>graphyx/graphics/GraphicalRegularPolygon.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRegularPolygon"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalRegularPolygon</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>) =&gt; <a href="../../graphyx/graphics/GraphicalRegularPolygon.html" target="_self">GraphicalRegularPolygon</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRegularPolygon.html b/doc/graphyx/graphics/GraphicalRegularPolygon.html
new file mode 100644
index 0000000..a86cedf
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRegularPolygon.html
@@ -0,0 +1,376 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalRegularPolygon in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalRegularPolygon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRegularPolygon"><code>graphyx/graphics/GraphicalRegularPolygon.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRegularPolygon"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalRegularPolygon</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a><code> with </code><a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/GraphicalShape.html#uid" target="_self">uid</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/RegularPolygon.html#n" target="_self">n</a>, <a href="../../sims/dynamics/RegularPolygon.html#radius" target="_self">radius</a>, <a href="../../sims/dynamics/RegularPolygon.html#density" target="_self">density</a>, <a href="../../sims/dynamics/RegularPolygon.html#volume" target="_self">volume</a>, <a href="../../sims/dynamics/RegularPolygon.html#I" target="_self">I</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRegularPolygon.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/RegularPolygon.html#halfDiags" target="_self">halfDiags</a>, <a href="../../sims/dynamics/RegularPolygon.html#vertices" target="_self">vertices</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/geometry/ConvexPolygon.html#sides" target="_self">sides</a>, <a href="../../sims/geometry/ConvexPolygon.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>, <a href="../../sims/geometry/ConvexPolygon.html#AABB" target="_self">AABB</a>, <a href="../../sims/geometry/ConvexPolygon.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#hashCode%28%29" target="_self">hashCode</a>
+        </dd>
+      </dl><hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#toString%28%29" target="_self">toString</a>
+        </dd>
+      </dl><hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#equals%28Any%29" target="_self">equals</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#productPrefix" target="_self">productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#productArity" target="_self">productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>.<a href="../../sims/dynamics/RegularPolygon.html#productElement%28Int%29" target="_self">productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRevoluteJoint$object.html b/doc/graphyx/graphics/GraphicalRevoluteJoint$object.html
new file mode 100644
index 0000000..ad110a2
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRevoluteJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalRevoluteJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalRevoluteJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRevoluteJoint"><code>graphyx/graphics/GraphicalRevoluteJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRevoluteJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalRevoluteJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>) =&gt; <a href="../../graphyx/graphics/GraphicalRevoluteJoint.html" target="_self">GraphicalRevoluteJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalRevoluteJoint.html b/doc/graphyx/graphics/GraphicalRevoluteJoint.html
new file mode 100644
index 0000000..3d0ab61
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalRevoluteJoint.html
@@ -0,0 +1,336 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalRevoluteJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalRevoluteJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalRevoluteJoint"><code>graphyx/graphics/GraphicalRevoluteJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalRevoluteJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalRevoluteJoint</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalRevoluteJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>connection1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalShape.html b/doc/graphyx/graphics/GraphicalShape.html
new file mode 100644
index 0000000..5f45529
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalShape.html
@@ -0,0 +1,176 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait GraphicalShape in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">trait  GraphicalShape</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalShape"><code>graphyx/graphics/GraphicalShape.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalShape"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>GraphicalShape</em>
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a></dd>
+    </dl><dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalCircle.html" target="_self">GraphicalCircle</a>, <a href="../../graphyx/graphics/GraphicalRectangle.html" target="_self">GraphicalRectangle</a>, <a href="../../graphyx/graphics/GraphicalRegularPolygon.html" target="_self">GraphicalRegularPolygon</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalShape.html#real" target="_self">real</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Pointer to real object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalShape.html#uid" target="_self">uid</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Einzigartige Identifikationsnummer.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#density" target="_self">density</a> (abstract), <a href="../../sims/dynamics/Shape.html#volume" target="_self">volume</a> (abstract), <a href="../../sims/dynamics/Shape.html#I" target="_self">I</a> (abstract), <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#AABB" target="_self">AABB</a> (abstract), <a href="../../sims/dynamics/Shape.html#project%28sims.geometry.Vector2D%29" target="_self">project</a> (abstract), <a href="../../sims/dynamics/Shape.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a> (abstract), <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/GraphicalObject.html#draw%28%29" target="_self">draw</a> (abstract)
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="real"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>real</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Pointer to real object.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/graphics/GraphicalObject.html" target="_self">GraphicalObject</a>.<a href="../../graphyx/graphics/GraphicalObject.html#real" target="_self">real</a>
+        </dd>
+      </dl><hr></hr>
+<a name="uid"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>uid</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Einzigartige Identifikationsnummer.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#uid" target="_self">uid</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalSpringJoint$object.html b/doc/graphyx/graphics/GraphicalSpringJoint$object.html
new file mode 100644
index 0000000..0c4853f
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalSpringJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalSpringJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalSpringJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalSpringJoint"><code>graphyx/graphics/GraphicalSpringJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalSpringJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalSpringJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>) =&gt; <a href="../../graphyx/graphics/GraphicalSpringJoint.html" target="_self">GraphicalSpringJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalSpringJoint.html b/doc/graphyx/graphics/GraphicalSpringJoint.html
new file mode 100644
index 0000000..5cf80cf
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalSpringJoint.html
@@ -0,0 +1,356 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalSpringJoint in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalSpringJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalSpringJoint"><code>graphyx/graphics/GraphicalSpringJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalSpringJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalSpringJoint</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#connection2" target="_self">connection2</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#g" target="_self">g</a>, <a href="../../graphyx/graphics/Drawable.html#ppm" target="_self">ppm</a>, <a href="../../graphyx/graphics/Drawable.html#scale" target="_self">scale</a>, <a href="../../graphyx/graphics/Drawable.html#windowHeight" target="_self">windowHeight</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#draw%28%29" target="_self">draw</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Stellt das graphische Objekt dar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalSpringJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/graphics/Drawable.html#correctY%28Double%29" target="_self">correctY</a>, <a href="../../graphyx/graphics/Drawable.html#drawLine%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawLine</a>, <a href="../../graphyx/graphics/Drawable.html#fillPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">fillPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#drawPolygon%28Seq%5Bsims.geometry.Vector2D%5D%29" target="_self">drawPolygon</a>, <a href="../../graphyx/graphics/Drawable.html#fillCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">fillCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawCircle%28sims.geometry.Vector2D%2CDouble%29" target="_self">drawCircle</a>, <a href="../../graphyx/graphics/Drawable.html#drawPoint%28sims.geometry.Vector2D%29" target="_self">drawPoint</a>, <a href="../../graphyx/graphics/Drawable.html#drawVector%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">drawVector</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>connection1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="connection2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>connection2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="draw%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>draw</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Stellt das graphische Objekt dar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalWorld$object.html b/doc/graphyx/graphics/GraphicalWorld$object.html
new file mode 100644
index 0000000..2b29226
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalWorld$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object GraphicalWorld in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  GraphicalWorld</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalWorld"><code>graphyx/graphics/GraphicalWorld.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalWorld"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>GraphicalWorld</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../../graphyx/graphics/GraphicalWorld.html" target="_self">GraphicalWorld</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/GraphicalWorld.html b/doc/graphyx/graphics/GraphicalWorld.html
new file mode 100644
index 0000000..d04da4e
--- /dev/null
+++ b/doc/graphyx/graphics/GraphicalWorld.html
@@ -0,0 +1,439 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GraphicalWorld in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  GraphicalWorld</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/GraphicalWorld"><code>graphyx/graphics/GraphicalWorld.scala</code></a>]
+      </div><hr></hr>
+      <a name="GraphicalWorld"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>GraphicalWorld</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#enableCollisionDetection" target="_self">enableCollisionDetection</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#enablePositionCorrection" target="_self">enablePositionCorrection</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#gravity" target="_self">gravity</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#iterations" target="_self">iterations</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#monitorResults" target="_self">monitorResults</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#overCWarning" target="_self">overCWarning</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#time" target="_self">time</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#timeStep" target="_self">timeStep</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/GraphicalWorld.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="time"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>time</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="timeStep"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>timeStep</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="iterations"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>iterations</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="overCWarning"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>overCWarning</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="gravity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>gravity</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="monitorResults"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>monitorResults</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="enableCollisionDetection"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>enableCollisionDetection</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="enablePositionCorrection"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>enablePositionCorrection</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/Parser$object.html b/doc/graphyx/graphics/Parser$object.html
new file mode 100644
index 0000000..ae47866
--- /dev/null
+++ b/doc/graphyx/graphics/Parser$object.html
@@ -0,0 +1,221 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Parser in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  Parser</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/Parser"><code>graphyx/graphics/Parser.scala</code></a>]
+      </div><hr></hr>
+      <a name="Parser"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Parser</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#throwOnUnknown" target="_self">throwOnUnknown</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.collision.AABB%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>) : <a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.collision.Pair%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.dynamics.Shape%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.dynamics.joints.Joint%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.collision.Collision%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/collision/Collision.html" target="_self">Collision</a>) : <a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Parser$object.html#toGraphical%28sims.dynamics.Body%29" target="_self">toGraphical</a></em>
+        (<em>real</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="throwOnUnknown"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>throwOnUnknown</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toGraphical%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toGraphical%28sims.dynamics.joints.Joint%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toGraphical%28sims.collision.Collision%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/collision/Collision.html" target="_self">Collision</a>) : <a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toGraphical%28sims.collision.Pair%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toGraphical%28sims.collision.AABB%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>) : <a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toGraphical%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toGraphical</em>(<em>real</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/Scene$object.html b/doc/graphyx/graphics/Scene$object.html
new file mode 100644
index 0000000..e884f9f
--- /dev/null
+++ b/doc/graphyx/graphics/Scene$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Scene in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">object  Scene</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/Scene"><code>graphyx/graphics/Scene.scala</code></a>]
+      </div><hr></hr>
+      <a name="Scene"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Scene</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/World.html" target="_self">World</a>) =&gt; <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function1">scala.Function1</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function1">scala.Function1.toString</a>, <a href="#compose" target="contentFrame" class="scala/Function1">scala.Function1.compose</a>, <a href="#andThen" target="contentFrame" class="scala/Function1">scala.Function1.andThen</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/graphics/Scene.html b/doc/graphyx/graphics/Scene.html
new file mode 100644
index 0000000..06bbfe1
--- /dev/null
+++ b/doc/graphyx/graphics/Scene.html
@@ -0,0 +1,439 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Scene in graphyx.graphics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/graphics$package.html" target="_self">graphyx.graphics</a>
+        <br></br>
+        <span class="entity">class  Scene</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/graphics/Scene"><code>graphyx/graphics/Scene.scala</code></a>]
+      </div><hr></hr>
+      <a name="Scene"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Scene</em>(<code>val </code><em>real</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#aabbs" target="_self">aabbs</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#collisions" target="_self">collisions</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#fps" target="_self">fps</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#pairs" target="_self">pairs</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#shapes" target="_self">shapes</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#world" target="_self">world</a></em>
+         : <a href="../../graphyx/graphics/GraphicalWorld.html" target="_self">GraphicalWorld</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/graphics/Scene.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../graphyx/graphics/GraphicalWorld.html" target="_self">GraphicalWorld</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="shapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shapes</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalJoint.html" target="_self">GraphicalJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="bodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalBody.html" target="_self">GraphicalBody</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="collisions"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>collisions</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalCollision.html" target="_self">GraphicalCollision</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="pairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>pairs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalPair.html" target="_self">GraphicalPair</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="aabbs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>aabbs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="fps"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>fps</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui$content.html b/doc/graphyx/gui$content.html
new file mode 100644
index 0000000..b402d3b
--- /dev/null
+++ b/doc/graphyx/gui$content.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/BodyPopup.html" target="_self">BodyPopup</a></em>
+        <code> extends </code><a href="../graphyx/gui/PopupMenu.html" target="_self">PopupMenu</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/Container.html" target="_self">Container</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/ControlPanel.html" target="_self">ControlPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/GrabbedBody.html" target="_self">GrabbedBody</a></em>
+        (<em>b</em> : <a href="../sims/dynamics/Body.html" target="_self">Body</a>, <em>point</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/GravityPanel.html" target="_self">GravityPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/InfoPanel.html" target="_self">InfoPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/MainFrame.html" target="_self">MainFrame</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/MainPanel.html" target="_self">MainPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/OptionsPanel.html" target="_self">OptionsPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/PopupMenu.html" target="_self">PopupMenu</a></em>
+        <code> extends </code><a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/ShapeInfoPanel.html" target="_self">ShapeInfoPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/gui/WorldPanel.html" target="_self">WorldPanel</a></em>
+        (<em>container</em> : <a href="../graphyx/gui/Container.html" target="_self">Container</a>)<code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+</body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui$package.html b/doc/graphyx/gui$package.html
new file mode 100644
index 0000000..d822a38
--- /dev/null
+++ b/doc/graphyx/gui$package.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../graphyx/gui$content.html" target="contentFrame">graphyx.gui</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_B"><a href="../graphyx/gui/BodyPopup.html" target="contentFrame">BodyPopup</a></li>
+<li id="Classes_C"><a href="../graphyx/gui/Container.html" target="contentFrame">Container</a></li>
+<li><a href="../graphyx/gui/ControlPanel.html" target="contentFrame">ControlPanel</a></li>
+<li id="Classes_G"><a href="../graphyx/gui/GrabbedBody.html" target="contentFrame">GrabbedBody</a></li>
+<li><a href="../graphyx/gui/GravityPanel.html" target="contentFrame">GravityPanel</a></li>
+<li id="Classes_I"><a href="../graphyx/gui/InfoPanel.html" target="contentFrame">InfoPanel</a></li>
+<li id="Classes_M"><a href="../graphyx/gui/MainFrame.html" target="contentFrame">MainFrame</a></li>
+<li><a href="../graphyx/gui/MainPanel.html" target="contentFrame">MainPanel</a></li>
+<li id="Classes_O"><a href="../graphyx/gui/OptionsPanel.html" target="contentFrame">OptionsPanel</a></li>
+<li id="Classes_P"><a href="../graphyx/gui/PopupMenu.html" target="contentFrame">PopupMenu</a></li>
+<li id="Classes_S"><a href="../graphyx/gui/ShapeInfoPanel.html" target="contentFrame">ShapeInfoPanel</a></li>
+<li id="Classes_W"><a href="../graphyx/gui/WorldPanel.html" target="contentFrame">WorldPanel</a></li>
+        </ul>
+</div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/BodyPopup.html b/doc/graphyx/gui/BodyPopup.html
new file mode 100644
index 0000000..d8fb284
--- /dev/null
+++ b/doc/graphyx/gui/BodyPopup.html
@@ -0,0 +1,251 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class BodyPopup in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  BodyPopup</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/BodyPopup"><code>graphyx/gui/BodyPopup.scala</code></a>]
+      </div><hr></hr>
+      <a name="BodyPopup"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>BodyPopup</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/gui/PopupMenu.html" target="_self">PopupMenu</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/BodyPopup.html#btnClose" target="_self">btnClose</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/MenuItem">scala.swing.MenuItem</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/BodyPopup.html#chckFixed" target="_self">chckFixed</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckMenuItem">scala.swing.CheckMenuItem</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/BodyPopup.html#chckMonitor" target="_self">chckMonitor</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckMenuItem">scala.swing.CheckMenuItem</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../graphyx/gui/PopupMenu.html" target="_self">PopupMenu</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/gui/PopupMenu.html#peer" target="_self">peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/BodyPopup.html#body" target="_self">body</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/BodyPopup.html#body_%3D%28sims.dynamics.Body%29" target="_self">body_=</a></em>
+        (<em>newBody</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/gui/PopupMenu.html" target="_self">PopupMenu</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/gui/PopupMenu.html#add%28scala.swing.MenuItem%29" target="_self">add</a>, <a href="../../graphyx/gui/PopupMenu.html#setVisible%28Boolean%29" target="_self">setVisible</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="chckMonitor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckMonitor</em> : <a href="" target="contentFrame" class="scala/swing/CheckMenuItem">scala.swing.CheckMenuItem</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckFixed"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckFixed</em> : <a href="" target="contentFrame" class="scala/swing/CheckMenuItem">scala.swing.CheckMenuItem</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnClose"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnClose</em> : <a href="" target="contentFrame" class="scala/swing/MenuItem">scala.swing.MenuItem</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="body"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="body_%3D%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>body_=</em>(<em>newBody</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/Container.html b/doc/graphyx/gui/Container.html
new file mode 100644
index 0000000..aeb0e25
--- /dev/null
+++ b/doc/graphyx/gui/Container.html
@@ -0,0 +1,181 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Container in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  Container</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/Container"><code>graphyx/gui/Container.scala</code></a>]
+      </div><hr></hr>
+      <a name="Container"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>Container</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/Container.html#mainFrame" target="_self">mainFrame</a></em>
+         : <a href="../../graphyx/gui/MainFrame.html" target="_self">MainFrame</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/Container.html#scene" target="_self">scene</a></em>
+         : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/Container.html#exitGUI%28%29" target="_self">exitGUI</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/Container.html#show%28%29" target="_self">show</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/Container.html#update%28graphyx.graphics.Scene%29" target="_self">update</a></em>
+        (<em>s</em> : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="mainFrame"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>mainFrame</em> : <a href="../../graphyx/gui/MainFrame.html" target="_self">MainFrame</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="scene"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>scene</em> : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="show%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>show</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="update%28graphyx.graphics.Scene%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>update</em>(<em>s</em> : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="exitGUI%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>exitGUI</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/ControlPanel.html b/doc/graphyx/gui/ControlPanel.html
new file mode 100644
index 0000000..5352ba1
--- /dev/null
+++ b/doc/graphyx/gui/ControlPanel.html
@@ -0,0 +1,295 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class ControlPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  ControlPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/ControlPanel"><code>graphyx/gui/ControlPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="ControlPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>ControlPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnExit" target="_self">btnExit</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnFire" target="_self">btnFire</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnReset" target="_self">btnReset</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnStart" target="_self">btnStart</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnStep" target="_self">btnStep</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#btnStop" target="_self">btnStop</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ControlPanel.html#cboTest" target="_self">cboTest</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/ComboBox">scala.swing.ComboBox</a>[<a href="../../graphyx/tests/Test.html" target="_self">Test</a>]
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="btnStart"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnStart</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnStep"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnStep</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnStop"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnStop</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnExit"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnExit</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnFire"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnFire</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="btnReset"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>btnReset</em> : <a href="" target="contentFrame" class="scala/swing/Button">scala.swing.Button</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="cboTest"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>cboTest</em> : <a href="" target="contentFrame" class="scala/swing/ComboBox">scala.swing.ComboBox</a>[<a href="../../graphyx/tests/Test.html" target="_self">Test</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/GrabbedBody.html b/doc/graphyx/gui/GrabbedBody.html
new file mode 100644
index 0000000..4d9f028
--- /dev/null
+++ b/doc/graphyx/gui/GrabbedBody.html
@@ -0,0 +1,141 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GrabbedBody in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  GrabbedBody</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/GrabbedBody"><code>graphyx/gui/GrabbedBody.scala</code></a>]
+      </div><hr></hr>
+      <a name="GrabbedBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>GrabbedBody</em>(<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GrabbedBody.html#r" target="_self">r</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GrabbedBody.html#wasFixed" target="_self">wasFixed</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GrabbedBody.html#body" target="_self">body</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="r"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>r</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="wasFixed"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>wasFixed</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="body"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/GravityPanel.html b/doc/graphyx/gui/GravityPanel.html
new file mode 100644
index 0000000..ca9b299
--- /dev/null
+++ b/doc/graphyx/gui/GravityPanel.html
@@ -0,0 +1,292 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GravityPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  GravityPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/GravityPanel"><code>graphyx/gui/GravityPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="GravityPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>GravityPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#c" target="_self">c</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/GridBagPanel/Constraints">scala.swing.GridBagPanel.Constraints</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#lblX" target="_self">lblX</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#lblY" target="_self">lblY</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#sldX" target="_self">sldX</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Slider">scala.swing.Slider</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#sldY" target="_self">sldY</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Slider">scala.swing.Slider</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/GravityPanel.html#update%28%29" target="_self">update</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#pair2Constraints" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.pair2Constraints</a>, <a href="#constraintsFor" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.constraintsFor</a>, <a href="#areValid" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.areValid</a>, <a href="#add" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.add</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/LayoutContainer">scala.swing.LayoutContainer</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#layout" target="contentFrame" class="scala/swing/LayoutContainer">scala.swing.LayoutContainer.layout</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="c"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>c</em> : <a href="" target="contentFrame" class="scala/swing/GridBagPanel/Constraints">scala.swing.GridBagPanel.Constraints</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="sldX"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>sldX</em> : <a href="" target="contentFrame" class="scala/swing/Slider">scala.swing.Slider</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblX"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblX</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="sldY"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>sldY</em> : <a href="" target="contentFrame" class="scala/swing/Slider">scala.swing.Slider</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblY"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblY</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="update%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>update</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/InfoPanel.html b/doc/graphyx/gui/InfoPanel.html
new file mode 100644
index 0000000..94dd11f
--- /dev/null
+++ b/doc/graphyx/gui/InfoPanel.html
@@ -0,0 +1,198 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class InfoPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  InfoPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/InfoPanel"><code>graphyx/gui/InfoPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="InfoPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>InfoPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/InfoPanel.html#out" target="_self">out</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/TextArea">scala.swing.TextArea</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/InfoPanel.html#update%28%29" target="_self">update</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="out"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>out</em> : <a href="" target="contentFrame" class="scala/swing/TextArea">scala.swing.TextArea</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="update%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>update</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/MainFrame.html b/doc/graphyx/gui/MainFrame.html
new file mode 100644
index 0000000..fbc978a
--- /dev/null
+++ b/doc/graphyx/gui/MainFrame.html
@@ -0,0 +1,161 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class MainFrame in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  MainFrame</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/MainFrame"><code>graphyx/gui/MainFrame.scala</code></a>]
+      </div><hr></hr>
+      <a name="MainFrame"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>MainFrame</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainFrame.html#mainPanel" target="_self">mainPanel</a></em>
+         : <a href="../../graphyx/gui/MainPanel.html" target="_self">MainPanel</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#title" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.title</a>, <a href="#title_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.title_=</a>, <a href="#contents_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.contents_=</a>, <a href="#defaultButton" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.defaultButton</a>, <a href="#defaultButton_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.defaultButton_=</a>, <a href="#defaultButton_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.defaultButton_=</a>, <a href="#dispose" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.dispose</a>, <a href="#pack" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.pack</a>, <a href="#menuBar" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.menuBar</a>, <a href="#menuBar_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.menuBar_=</a>, <a href="#setLocationRelativeTo" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.setLocationRelativeTo</a>, <a href="#location_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.location_=</a>, <a href="#iconImage" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.iconImage</a>, <a href="#iconImage_=" target="contentFrame" class="scala/swing/Frame">scala.swing.Frame.iconImage_=</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/RootPanel">scala.swing.RootPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/RootPanel">scala.swing.RootPanel.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>, <a href="#toString" target="contentFrame" class="scala/Proxy">scala.Proxy.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="mainPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>mainPanel</em> : <a href="../../graphyx/gui/MainPanel.html" target="_self">MainPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/MainPanel.html b/doc/graphyx/gui/MainPanel.html
new file mode 100644
index 0000000..a02c4c1
--- /dev/null
+++ b/doc/graphyx/gui/MainPanel.html
@@ -0,0 +1,329 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class MainPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  MainPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/MainPanel"><code>graphyx/gui/MainPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="MainPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>MainPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#c" target="_self">c</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/GridBagPanel/Constraints">scala.swing.GridBagPanel.Constraints</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#controlPanel" target="_self">controlPanel</a></em>
+         : <a href="../../graphyx/gui/ControlPanel.html" target="_self">ControlPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#gravityPanel" target="_self">gravityPanel</a></em>
+         : <a href="../../graphyx/gui/GravityPanel.html" target="_self">GravityPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#infoPanel" target="_self">infoPanel</a></em>
+         : <a href="../../graphyx/gui/InfoPanel.html" target="_self">InfoPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#optionsPanel" target="_self">optionsPanel</a></em>
+         : <a href="../../graphyx/gui/OptionsPanel.html" target="_self">OptionsPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#shapeInfoPanel" target="_self">shapeInfoPanel</a></em>
+         : <a href="../../graphyx/gui/ShapeInfoPanel.html" target="_self">ShapeInfoPanel</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#splitter" target="_self">splitter</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/SplitPane">scala.swing.SplitPane</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/MainPanel.html#worldPanel" target="_self">worldPanel</a></em>
+         : <a href="../../graphyx/gui/WorldPanel.html" target="_self">WorldPanel</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#pair2Constraints" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.pair2Constraints</a>, <a href="#constraintsFor" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.constraintsFor</a>, <a href="#areValid" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.areValid</a>, <a href="#add" target="contentFrame" class="scala/swing/GridBagPanel">scala.swing.GridBagPanel.add</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/LayoutContainer">scala.swing.LayoutContainer</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#layout" target="contentFrame" class="scala/swing/LayoutContainer">scala.swing.LayoutContainer.layout</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="c"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>c</em> : <a href="" target="contentFrame" class="scala/swing/GridBagPanel/Constraints">scala.swing.GridBagPanel.Constraints</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="worldPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>worldPanel</em> : <a href="../../graphyx/gui/WorldPanel.html" target="_self">WorldPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="controlPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>controlPanel</em> : <a href="../../graphyx/gui/ControlPanel.html" target="_self">ControlPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="infoPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>infoPanel</em> : <a href="../../graphyx/gui/InfoPanel.html" target="_self">InfoPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="optionsPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>optionsPanel</em> : <a href="../../graphyx/gui/OptionsPanel.html" target="_self">OptionsPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="shapeInfoPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shapeInfoPanel</em> : <a href="../../graphyx/gui/ShapeInfoPanel.html" target="_self">ShapeInfoPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="gravityPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>gravityPanel</em> : <a href="../../graphyx/gui/GravityPanel.html" target="_self">GravityPanel</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="splitter"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>splitter</em> : <a href="" target="contentFrame" class="scala/swing/SplitPane">scala.swing.SplitPane</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/OptionsPanel.html b/doc/graphyx/gui/OptionsPanel.html
new file mode 100644
index 0000000..b4f3ec6
--- /dev/null
+++ b/doc/graphyx/gui/OptionsPanel.html
@@ -0,0 +1,625 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class OptionsPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  OptionsPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/OptionsPanel"><code>graphyx/gui/OptionsPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="OptionsPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>OptionsPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckCD" target="_self">chckCD</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawAABBs" target="_self">chckDrawAABBs</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawBodies" target="_self">chckDrawBodies</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawCollisions" target="_self">chckDrawCollisions</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawJoints" target="_self">chckDrawJoints</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawPairs" target="_self">chckDrawPairs</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckDrawShapes" target="_self">chckDrawShapes</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#chckPC" target="_self">chckPC</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#components" target="_self">components</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblCD" target="_self">lblCD</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDraw" target="_self">lblDraw</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawAABBs" target="_self">lblDrawAABBs</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawBodies" target="_self">lblDrawBodies</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawCollisions" target="_self">lblDrawCollisions</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawJoints" target="_self">lblDrawJoints</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawPairs" target="_self">lblDrawPairs</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblDrawShapes" target="_self">lblDrawShapes</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblIterations" target="_self">lblIterations</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblPC" target="_self">lblPC</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#lblTimeStep" target="_self">lblTimeStep</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#txtIterations" target="_self">txtIterations</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/TextField">scala.swing.TextField</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#txtTimeStep" target="_self">txtTimeStep</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/TextField">scala.swing.TextField</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/OptionsPanel.html#update%28%29" target="_self">update</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#rows" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.rows</a>, <a href="#rows_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.rows_=</a>, <a href="#columns" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.columns</a>, <a href="#columns_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.columns_=</a>, <a href="#vGap" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.vGap</a>, <a href="#vGap_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.vGap_=</a>, <a href="#hGap" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.hGap</a>, <a href="#hGap_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.hGap_=</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="lblTimeStep"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblTimeStep</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="txtTimeStep"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>txtTimeStep</em> : <a href="" target="contentFrame" class="scala/swing/TextField">scala.swing.TextField</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblIterations"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblIterations</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="txtIterations"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>txtIterations</em> : <a href="" target="contentFrame" class="scala/swing/TextField">scala.swing.TextField</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblCD"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblCD</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckCD"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckCD</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblPC"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblPC</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckPC"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckPC</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDraw"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDraw</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawBodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawBodies</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawBodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawBodies</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawShapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawShapes</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawShapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawShapes</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawJoints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawJoints</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawJoints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawJoints</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawAABBs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawAABBs</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawAABBs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawAABBs</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawPairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawPairs</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawPairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawPairs</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblDrawCollisions"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblDrawCollisions</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="chckDrawCollisions"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>chckDrawCollisions</em> : <a href="" target="contentFrame" class="scala/swing/CheckBox">scala.swing.CheckBox</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="components"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>components</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="update%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>update</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/PopupMenu.html b/doc/graphyx/gui/PopupMenu.html
new file mode 100644
index 0000000..96c8a2e
--- /dev/null
+++ b/doc/graphyx/gui/PopupMenu.html
@@ -0,0 +1,207 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class PopupMenu in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  PopupMenu</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/PopupMenu"><code>graphyx/gui/PopupMenu.scala</code></a>]
+      </div><hr></hr>
+      <a name="PopupMenu"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>PopupMenu</em>
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a></dd>
+    </dl><dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/gui/BodyPopup.html" target="_self">BodyPopup</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/PopupMenu.html#peer" target="_self">peer</a></em>
+         : <a href="" target="contentFrame" class="javax/swing/JPopupMenu">javax.swing.JPopupMenu</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/PopupMenu.html#add%28scala.swing.MenuItem%29" target="_self">add</a></em>
+        (<em>item</em> : <a href="" target="contentFrame" class="scala/swing/MenuItem">scala.swing.MenuItem</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/PopupMenu.html#setVisible%28Boolean%29" target="_self">setVisible</a></em>
+        (<em>visible</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="peer"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>lazy val</code>
+        <em>peer</em> : <a href="" target="contentFrame" class="javax/swing/JPopupMenu">javax.swing.JPopupMenu</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>.<a href="#peer" target="contentFrame" class="scala/swing/Component">scala.swing.Component.peer</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="add%28scala.swing.MenuItem%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>add</em>(<em>item</em> : <a href="" target="contentFrame" class="scala/swing/MenuItem">scala.swing.MenuItem</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="setVisible%28Boolean%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>setVisible</em>(<em>visible</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/ShapeInfoPanel.html b/doc/graphyx/gui/ShapeInfoPanel.html
new file mode 100644
index 0000000..452968a
--- /dev/null
+++ b/doc/graphyx/gui/ShapeInfoPanel.html
@@ -0,0 +1,262 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class ShapeInfoPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  ShapeInfoPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/ShapeInfoPanel"><code>graphyx/gui/ShapeInfoPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="ShapeInfoPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>ShapeInfoPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ShapeInfoPanel.html#components" target="_self">components</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ShapeInfoPanel.html#lblBody" target="_self">lblBody</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ShapeInfoPanel.html#lblShape" target="_self">lblShape</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ShapeInfoPanel.html#lblValBody" target="_self">lblValBody</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/ShapeInfoPanel.html#lblValShape" target="_self">lblValShape</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#rows" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.rows</a>, <a href="#rows_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.rows_=</a>, <a href="#columns" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.columns</a>, <a href="#columns_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.columns_=</a>, <a href="#vGap" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.vGap</a>, <a href="#vGap_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.vGap_=</a>, <a href="#hGap" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.hGap</a>, <a href="#hGap_=" target="contentFrame" class="scala/swing/GridPanel">scala.swing.GridPanel.hGap_=</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paintComponent" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paintComponent</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="lblBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblBody</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblValBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblValBody</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblShape"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblShape</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="lblValShape"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblValShape</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="components"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>components</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/gui/WorldPanel.html b/doc/graphyx/gui/WorldPanel.html
new file mode 100644
index 0000000..959812e
--- /dev/null
+++ b/doc/graphyx/gui/WorldPanel.html
@@ -0,0 +1,638 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class WorldPanel in graphyx.gui</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/gui$package.html" target="_self">graphyx.gui</a>
+        <br></br>
+        <span class="entity">class  WorldPanel</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/gui/WorldPanel"><code>graphyx/gui/WorldPanel.scala</code></a>]
+      </div><hr></hr>
+      <a name="WorldPanel"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>WorldPanel</em>(<em>container</em> : <a href="../../graphyx/gui/Container.html" target="_self">Container</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawAABBs" target="_self">drawAABBs</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawBodies" target="_self">drawBodies</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawCollisions" target="_self">drawCollisions</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawJoints" target="_self">drawJoints</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawPairs" target="_self">drawPairs</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawShapes" target="_self">drawShapes</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#endPoint" target="_self">endPoint</a></em>
+         : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#grabbedBody" target="_self">grabbedBody</a></em>
+         : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../graphyx/gui/GrabbedBody.html" target="_self">GrabbedBody</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#lblBody" target="_self">lblBody</a></em>
+         : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#mousePressed" target="_self">mousePressed</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#offset" target="_self">offset</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#popup" target="_self">popup</a></em>
+         : <a href="../../graphyx/gui/BodyPopup.html" target="_self">BodyPopup</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#ppm" target="_self">ppm</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#scale" target="_self">scale</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#startPoint" target="_self">startPoint</a></em>
+         : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#peer" target="contentFrame" class="scala/swing/BoxPanel">scala.swing.BoxPanel.peer</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#contents" target="contentFrame" class="scala/swing/SequentialContainer/Wrapper">scala.swing.SequentialContainer.Wrapper.contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_contents" target="contentFrame" class="scala/swing/Container/Wrapper">scala.swing.Container.Wrapper._contents</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#initP" target="contentFrame" class="scala/swing/Component">scala.swing.Component.initP</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listeners" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.listeners</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#reactions" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.reactions</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawAxes%28java.awt.Graphics%29" target="_self">drawAxes</a></em>
+        (<em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#drawParts%28Iterable%5Bgraphyx.graphics.Drawable%5D%2Cjava.awt.Graphics%29" target="_self">drawParts</a></em>
+        (<em>parts</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>], <em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#getBody%28sims.geometry.Vector2D%29" target="_self">getBody</a></em>
+        (<em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#grab%28sims.dynamics.Body%2Csims.geometry.Vector2D%29" target="_self">grab</a></em>
+        (<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#paintComponent%28java.awt.Graphics%29" target="_self">paintComponent</a></em>
+        (<em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#point2Vector%28java.awt.Point%29" target="_self">point2Vector</a></em>
+        (<em>p</em> : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#release%28%29" target="_self">release</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#scene" target="_self">scene</a></em>
+         : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/gui/WorldPanel.html#update%28%29" target="_self">update</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Component">scala.swing.Component</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#xLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment</a>, <a href="#xLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.xLayoutAlignment_=</a>, <a href="#yLayoutAlignment" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment</a>, <a href="#yLayoutAlignment_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.yLayoutAlignment_=</a>, <a href="#border" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border</a>, <a href="#border_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.border_=</a>, <a href="#opaque" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque</a>, <a href="#opaque_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.opaque_=</a>, <a href="#enabled" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled</a>, <a href="#enabled_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.enabled_=</a>, <a href="#tooltip" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip</a>, <a href="#tooltip_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.tooltip_=</a>, <a href="#inputVerifier" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier</a>, <a href="#inputVerifier_=" target="contentFrame" class="scala/swing/Component">scala.swing.Component.inputVerifier_=</a>, <a href="#revalidate" target="contentFrame" class="scala/swing/Component">scala.swing.Component.revalidate</a>, <a href="#requestFocus" target="contentFrame" class="scala/swing/Component">scala.swing.Component.requestFocus</a>, <a href="#paint" target="contentFrame" class="scala/swing/Component">scala.swing.Component.paint</a>, <a href="#toString" target="contentFrame" class="scala/swing/Component">scala.swing.Component.toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#subscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.subscribe</a>, <a href="#unsubscribe" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.unsubscribe</a>, <a href="#publish" target="contentFrame" class="scala/swing/Publisher">scala.swing.Publisher.publish</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#listenTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.listenTo</a>, <a href="#deafTo" target="contentFrame" class="scala/swing/Reactor">scala.swing.Reactor.deafTo</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#self" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.self</a>, <a href="#foreground" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground</a>, <a href="#foreground_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.foreground_=</a>, <a href="#background" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background</a>, <a href="#background_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.background_=</a>, <a href="#minimumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize</a>, <a href="#minimumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.minimumSize_=</a>, <a href="#maximumSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize</a>, <a href="#maximumSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.maximumSize_=</a>, <a href="#preferredSize" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#preferredSize_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.preferredSize_=</a>, <a href="#font" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font</a>, <a href="#font_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.font_=</a>, <a href="#locationOnScreen" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locationOnScreen</a>, <a href="#location" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.location</a>, <a href="#bounds" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.bounds</a>, <a href="#size" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#size_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.size_=</a>, <a href="#locale" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.locale</a>, <a href="#toolkit" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.toolkit</a>, <a href="#cursor" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor</a>, <a href="#cursor_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.cursor_=</a>, <a href="#visible" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible</a>, <a href="#visible_=" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.visible_=</a>, <a href="#showing" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.showing</a>, <a href="#repaint" target="contentFrame" class="scala/swing/UIElement">scala.swing.UIElement.repaint</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Proxy">scala.Proxy</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#hashCode" target="contentFrame" class="scala/Proxy">scala.Proxy.hashCode</a>, <a href="#equals" target="contentFrame" class="scala/Proxy">scala.Proxy.equals</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="lblBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>lblBody</em> : <a href="" target="contentFrame" class="scala/swing/Label">scala.swing.Label</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="popup"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>popup</em> : <a href="../../graphyx/gui/BodyPopup.html" target="_self">BodyPopup</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="ppm"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>ppm</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="scale"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>scale</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="offset"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>offset</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawBodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawBodies</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawShapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawShapes</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawJoints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawJoints</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawAABBs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawAABBs</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawPairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawPairs</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawCollisions"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>drawCollisions</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="mousePressed"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>mousePressed</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="startPoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>startPoint</em> : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="endPoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>endPoint</em> : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="grabbedBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>grabbedBody</em> : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../graphyx/gui/GrabbedBody.html" target="_self">GrabbedBody</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="point2Vector%28java.awt.Point%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>point2Vector</em>(<em>p</em> : <a href="" target="contentFrame" class="java/awt/Point">java.awt.Point</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="scene"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>scene</em> : <a href="../../graphyx/graphics/Scene.html" target="_self">Scene</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="update%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>update</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="paintComponent%28java.awt.Graphics%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>paintComponent</em>(<em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawAxes%28java.awt.Graphics%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawAxes</em>(<em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="drawParts%28Iterable%5Bgraphyx.graphics.Drawable%5D%2Cjava.awt.Graphics%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>drawParts</em>(<em>parts</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../graphyx/graphics/Drawable.html" target="_self">Drawable</a>], <em>g</em> : <a href="" target="contentFrame" class="java/awt/Graphics">java.awt.Graphics</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="getBody%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>getBody</em>(<em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="grab%28sims.dynamics.Body%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>grab</em>(<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="release%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>release</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests$content.html b/doc/graphyx/tests$content.html
new file mode 100644
index 0000000..c136e55
--- /dev/null
+++ b/doc/graphyx/tests$content.html
@@ -0,0 +1,188 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Test.html" target="_self">Test</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/BallStack$object.html" target="_self">BallStack</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Chain$object.html" target="_self">Chain</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/CompositeShape$object.html" target="_self">CompositeShape</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Cup$object.html" target="_self">Cup</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/EmptyTest$object.html" target="_self">EmptyTest</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Friction$object.html" target="_self">Friction</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Friction2$object.html" target="_self">Friction2</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/General1$object.html" target="_self">General1</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/General2$object.html" target="_self">General2</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Joints1$object.html" target="_self">Joints1</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Joints2$object.html" target="_self">Joints2</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Net$object.html" target="_self">Net</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/RagdollTest$object.html" target="_self">RagdollTest</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Restitution$object.html" target="_self">Restitution</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../graphyx/tests/Stacking$object.html" target="_self">Stacking</a></em>
+        <code> extends </code><a href="../graphyx/tests/Test.html" target="_self">Test</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests$package.html b/doc/graphyx/tests$package.html
new file mode 100644
index 0000000..b3a9adc
--- /dev/null
+++ b/doc/graphyx/tests$package.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../graphyx/tests$content.html" target="contentFrame">graphyx.tests</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_T"><a href="../graphyx/tests/Test.html" target="contentFrame">Test</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_B"><a href="../graphyx/tests/BallStack$object.html" target="contentFrame">BallStack</a></li>
+<li id="Objects_C"><a href="../graphyx/tests/Chain$object.html" target="contentFrame">Chain</a></li>
+<li><a href="../graphyx/tests/CompositeShape$object.html" target="contentFrame">CompositeShape</a></li>
+<li><a href="../graphyx/tests/Cup$object.html" target="contentFrame">Cup</a></li>
+<li id="Objects_E"><a href="../graphyx/tests/EmptyTest$object.html" target="contentFrame">EmptyTest</a></li>
+<li id="Objects_F"><a href="../graphyx/tests/Friction$object.html" target="contentFrame">Friction</a></li>
+<li><a href="../graphyx/tests/Friction2$object.html" target="contentFrame">Friction2</a></li>
+<li id="Objects_G"><a href="../graphyx/tests/General1$object.html" target="contentFrame">General1</a></li>
+<li><a href="../graphyx/tests/General2$object.html" target="contentFrame">General2</a></li>
+<li id="Objects_J"><a href="../graphyx/tests/Joints1$object.html" target="contentFrame">Joints1</a></li>
+<li><a href="../graphyx/tests/Joints2$object.html" target="contentFrame">Joints2</a></li>
+<li id="Objects_N"><a href="../graphyx/tests/Net$object.html" target="contentFrame">Net</a></li>
+<li id="Objects_R"><a href="../graphyx/tests/RagdollTest$object.html" target="contentFrame">RagdollTest</a></li>
+<li><a href="../graphyx/tests/Restitution$object.html" target="contentFrame">Restitution</a></li>
+<li id="Objects_S"><a href="../graphyx/tests/Stacking$object.html" target="contentFrame">Stacking</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/BallStack$object.html b/doc/graphyx/tests/BallStack$object.html
new file mode 100644
index 0000000..092ce96
--- /dev/null
+++ b/doc/graphyx/tests/BallStack$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object BallStack in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  BallStack</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/BallStack"><code>graphyx/tests/BallStack.scala</code></a>]
+      </div><hr></hr>
+      <a name="BallStack"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>BallStack</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/BallStack$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/BallStack$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/BallStack$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr>
+<a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Chain$object.html b/doc/graphyx/tests/Chain$object.html
new file mode 100644
index 0000000..0818b71
--- /dev/null
+++ b/doc/graphyx/tests/Chain$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Chain in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Chain</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Chain"><code>graphyx/tests/Chain.scala</code></a>]
+      </div><hr></hr>
+      <a name="Chain"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Chain</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Chain$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Chain$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Chain$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/CompositeShape$object.html b/doc/graphyx/tests/CompositeShape$object.html
new file mode 100644
index 0000000..2eb9a85
--- /dev/null
+++ b/doc/graphyx/tests/CompositeShape$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object CompositeShape in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  CompositeShape</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/CompositeShape"><code>graphyx/tests/CompositeShape.scala</code></a>]
+      </div><hr></hr>
+      <a name="CompositeShape"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>CompositeShape</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/CompositeShape$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/CompositeShape$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/CompositeShape$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Cup$object.html b/doc/graphyx/tests/Cup$object.html
new file mode 100644
index 0000000..b3c46a8
--- /dev/null
+++ b/doc/graphyx/tests/Cup$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Cup in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Cup</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Cup"><code>graphyx/tests/Cup.scala</code></a>]
+      </div><hr></hr>
+      <a name="Cup"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Cup</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Cup$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Cup$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Cup$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/EmptyTest$object.html b/doc/graphyx/tests/EmptyTest$object.html
new file mode 100644
index 0000000..ff540a7
--- /dev/null
+++ b/doc/graphyx/tests/EmptyTest$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object EmptyTest in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  EmptyTest</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/EmptyTest"><code>graphyx/tests/EmptyTest.scala</code></a>]
+      </div><hr></hr>
+      <a name="EmptyTest"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>EmptyTest</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/EmptyTest$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/EmptyTest$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/EmptyTest$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Friction$object.html b/doc/graphyx/tests/Friction$object.html
new file mode 100644
index 0000000..7b3b691
--- /dev/null
+++ b/doc/graphyx/tests/Friction$object.html
@@ -0,0 +1,256 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Friction in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Friction</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Friction"><code>graphyx/tests/Friction.scala</code></a>]
+      </div><hr></hr>
+      <a name="Friction"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Friction</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#r1" target="_self">r1</a></em>
+         : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#r2" target="_self">r2</a></em>
+         : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#r3" target="_self">r3</a></em>
+         : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#fireEvent%28%29" target="_self">fireEvent</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr>
+<a name="r1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>r1</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="r2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>r2</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="r3"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>r3</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr>
+<a name="fireEvent%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>fireEvent</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Friction2$object.html b/doc/graphyx/tests/Friction2$object.html
new file mode 100644
index 0000000..427e527
--- /dev/null
+++ b/doc/graphyx/tests/Friction2$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Friction2 in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Friction2</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Friction2"><code>graphyx/tests/Friction2.scala</code></a>]
+      </div><hr></hr>
+      <a name="Friction2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Friction2</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction2$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction2$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Friction2$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/General1$object.html b/doc/graphyx/tests/General1$object.html
new file mode 100644
index 0000000..2484144
--- /dev/null
+++ b/doc/graphyx/tests/General1$object.html
@@ -0,0 +1,216 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object General1 in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  General1</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/General1"><code>graphyx/tests/General1.scala</code></a>]
+      </div><hr></hr>
+      <a name="General1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>General1</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General1$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General1$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General1$object.html#blastBomb%28%29" target="_self">blastBomb</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General1$object.html#fireEvent%28%29" target="_self">fireEvent</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General1$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr>
+<a name="fireEvent%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>fireEvent</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>
+        </dd>
+      </dl><hr></hr>
+<a name="blastBomb%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>blastBomb</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/General2$object.html b/doc/graphyx/tests/General2$object.html
new file mode 100644
index 0000000..099672b
--- /dev/null
+++ b/doc/graphyx/tests/General2$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object General2 in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  General2</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/General2"><code>graphyx/tests/General2.scala</code></a>]
+      </div><hr></hr>
+      <a name="General2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>General2</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General2$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General2$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/General2$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Joints1$object.html b/doc/graphyx/tests/Joints1$object.html
new file mode 100644
index 0000000..808acb0
--- /dev/null
+++ b/doc/graphyx/tests/Joints1$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Joints1 in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Joints1</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Joints1"><code>graphyx/tests/Joints1.scala</code></a>]
+      </div><hr></hr>
+      <a name="Joints1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Joints1</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints1$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints1$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints1$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Joints2$object.html b/doc/graphyx/tests/Joints2$object.html
new file mode 100644
index 0000000..b141a42
--- /dev/null
+++ b/doc/graphyx/tests/Joints2$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Joints2 in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Joints2</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Joints2"><code>graphyx/tests/Joints2.scala</code></a>]
+      </div><hr></hr>
+      <a name="Joints2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Joints2</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints2$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints2$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Joints2$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Net$object.html b/doc/graphyx/tests/Net$object.html
new file mode 100644
index 0000000..3bf8f69
--- /dev/null
+++ b/doc/graphyx/tests/Net$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Net in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Net</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Net"><code>graphyx/tests/Net.scala</code></a>]
+      </div><hr></hr>
+      <a name="Net"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Net</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Net$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Net$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Net$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/RagdollTest$object.html b/doc/graphyx/tests/RagdollTest$object.html
new file mode 100644
index 0000000..6457166
--- /dev/null
+++ b/doc/graphyx/tests/RagdollTest$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object RagdollTest in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  RagdollTest</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/RagdollTest"><code>graphyx/tests/RagdollTest.scala</code></a>]
+      </div><hr></hr>
+      <a name="RagdollTest"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>RagdollTest</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/RagdollTest$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/RagdollTest$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/RagdollTest$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Restitution$object.html b/doc/graphyx/tests/Restitution$object.html
new file mode 100644
index 0000000..29c62a6
--- /dev/null
+++ b/doc/graphyx/tests/Restitution$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Restitution in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Restitution</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Restitution"><code>graphyx/tests/Restitution.scala</code></a>]
+      </div><hr></hr>
+      <a name="Restitution"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Restitution</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Restitution$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Restitution$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Restitution$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr>
+<a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Stacking$object.html b/doc/graphyx/tests/Stacking$object.html
new file mode 100644
index 0000000..c84e2c0
--- /dev/null
+++ b/doc/graphyx/tests/Stacking$object.html
@@ -0,0 +1,169 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Stacking in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">object  Stacking</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Stacking"><code>graphyx/tests/Stacking.scala</code></a>]
+      </div><hr></hr>
+      <a name="Stacking"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Stacking</em>
+      </dt>
+      <dd><code> extends </code><a href="../../graphyx/tests/Test.html" target="_self">Test</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Stacking$object.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Stacking$object.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Stacking$object.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../graphyx/tests/Test.html" target="_self">Test</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a>, <a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#world" target="_self">world</a>
+        </dd>
+      </dl><hr></hr>
+<a name="title"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#title" target="_self">title</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../graphyx/tests/Test.html" target="_self">Test</a>.<a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/graphyx/tests/Test.html b/doc/graphyx/tests/Test.html
new file mode 100644
index 0000000..78cec07
--- /dev/null
+++ b/doc/graphyx/tests/Test.html
@@ -0,0 +1,190 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait Test in graphyx.tests</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../graphyx/tests$package.html" target="_self">graphyx.tests</a>
+        <br></br>
+        <span class="entity">trait  Test</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="graphyx/tests/Test"><code>graphyx/tests/Test.scala</code></a>]
+      </div><hr></hr>
+      <a name="Test"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>Test</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl><dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/tests/BallStack$object.html" target="_self">BallStack</a>, <a href="../../graphyx/tests/Chain$object.html" target="_self">Chain</a>, <a href="../../graphyx/tests/CompositeShape$object.html" target="_self">CompositeShape</a>, <a href="../../graphyx/tests/Cup$object.html" target="_self">Cup</a>, <a href="../../graphyx/tests/EmptyTest$object.html" target="_self">EmptyTest</a>, <a href="../../graphyx/tests/Friction$object.html" target="_self">Friction</a>, <a href="../../graphyx/tests/Friction2$object.html" target="_self">Friction2</a>, <a href="../../graphyx/tests/General1$object.html" target="_self">General1</a>, <a href="../../graphyx/tests/General2$object.html" target="_self">General2</a>, <a href="../../graphyx/tests/Joints1$object.html" target="_self">Joints1</a>, <a href="../../graphyx/tests/Joints2$object.html" target="_self">Joints2</a>, <a href="../../graphyx/tests/Net$object.html" target="_self">Net</a>, <a href="../../graphyx/tests/RagdollTest$object.html" target="_self">RagdollTest</a>, <a href="../../graphyx/tests/Restitution$object.html" target="_self">Restitution</a>, <a href="../../graphyx/tests/Stacking$object.html" target="_self">Stacking</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Test.html#title" target="_self">title</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Test.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Test.html#fireEvent%28%29" target="_self">fireEvent</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Test.html#init%28%29" target="_self">init</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../graphyx/tests/Test.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="title"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>title</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="init%28%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>init</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="fireEvent%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fireEvent</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/index.html b/doc/index.html
new file mode 100644
index 0000000..33257d7
--- /dev/null
+++ b/doc/index.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>SiMS</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <frameset cols="25%, 75%">
+    <frameset rows="50%, 28, 50%">
+    <frame src="modules.html" name="modulesFrame"></frame>
+    <frame src="nav-classes.html" name="navigationFrame"></frame>
+    <frame src="all-classes.html" name="classesFrame"></frame>
+    </frameset>
+    <frame src="root-content.html" name="contentFrame"></frame>
+    </frameset>
+      </html>
+\ No newline at end of file
diff --git a/doc/modules.html b/doc/modules.html
new file mode 100644
index 0000000..8edb9c7
--- /dev/null
+++ b/doc/modules.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of all packages</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body onload="init()"><div>
+        <div class="doctitle-larger">SiMS</div>
+        <a href="all-classes.html" target="classesFrame" onclick="resetKind();">All objects and classes</a>
+      </div><div class="kinds">Packages</div><ul class="list"><li><a href="graphyx$package.html" target="classesFrame" onclick="resetKind();">
+          graphyx</a></li>
+<li><a href="graphyx/actors$package.html" target="classesFrame" onclick="resetKind();">
+          graphyx.actors</a></li>
+<li><a href="graphyx/graphics$package.html" target="classesFrame" onclick="resetKind();">
+          graphyx.graphics</a></li>
+<li><a href="graphyx/gui$package.html" target="classesFrame" onclick="resetKind();">
+          graphyx.gui</a></li>
+<li><a href="graphyx/tests$package.html" target="classesFrame" onclick="resetKind();">
+          graphyx.tests</a></li>
+<li><a href="sims/collision$package.html" target="classesFrame" onclick="resetKind();">
+          sims.collision</a></li>
+<li><a href="sims/dynamics$package.html" target="classesFrame" onclick="resetKind();">
+          sims.dynamics</a></li>
+<li><a href="sims/dynamics/joints$package.html" target="classesFrame" onclick="resetKind();">
+          sims.dynamics.joints</a></li>
+<li><a href="sims/geometry$package.html" target="classesFrame" onclick="resetKind();">
+          sims.geometry</a></li>
+<li><a href="sims/math$package.html" target="classesFrame" onclick="resetKind();">
+          sims.math</a></li>
+<li><a href="sims/prefabs$package.html" target="classesFrame" onclick="resetKind();">
+          sims.prefabs</a></li>
+<li><a href="sims/util$package.html" target="classesFrame" onclick="resetKind();">
+          sims.util</a></li>
+      </ul></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/nav-classes.html b/doc/nav-classes.html
new file mode 100644
index 0000000..505f7c6
--- /dev/null
+++ b/doc/nav-classes.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>navigation</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body style="margin:1px 0 0 1px; padding:1px 0 0 1px;"><form>
+        <select onchange="gotoKind()" id="kinds">
+          <option value="#Classes" selected="selected">Classes</option>
+          <option value="#Objects">Objects</option>
+        </select>
+        <span style="font-family:Courier;word-spacing:-8px;" id="alphabet"><a href="javascript:gotoName('A')">A</a>
+<a href="javascript:gotoName('B')">B</a>
+<a href="javascript:gotoName('C')">C</a>
+<a href="javascript:gotoName('D')">D</a>
+<a href="javascript:gotoName('E')">E</a>
+<a href="javascript:gotoName('G')">G</a>
+<a href="javascript:gotoName('I')">I</a>
+<a href="javascript:gotoName('L')">L</a>
+<a href="javascript:gotoName('M')">M</a>
+<a href="javascript:gotoName('P')">P</a>
+<a href="javascript:gotoName('R')">R</a>
+<a href="javascript:gotoName('T')">T</a>
+<a href="javascript:gotoName('V')">V</a>
+<a href="javascript:gotoName('X')">X</a>
+        </span>
+      </form></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/root-content.html b/doc/root-content.html
new file mode 100644
index 0000000..e5c8a85
--- /dev/null
+++ b/doc/root-content.html
@@ -0,0 +1,69 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All Packages</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><hr></hr><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Package Summary</td></tr> 
+        <tr><td class="signature">
+          <code>package
+          <a href="graphyx$content.html" target="_self">graphyx</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="graphyx/actors$content.html" target="_self">graphyx.actors</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="graphyx/graphics$content.html" target="_self">graphyx.graphics</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="graphyx/gui$content.html" target="_self">graphyx.gui</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="graphyx/tests$content.html" target="_self">graphyx.tests</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/collision$content.html" target="_self">sims.collision</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/dynamics$content.html" target="_self">sims.dynamics</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/dynamics/joints$content.html" target="_self">sims.dynamics.joints</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/geometry$content.html" target="_self">sims.geometry</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/math$content.html" target="_self">sims.math</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/prefabs$content.html" target="_self">sims.prefabs</a>
+          </code>
+        </td></tr>
+<tr><td class="signature">
+          <code>package
+          <a href="sims/util$content.html" target="_self">sims.util</a>
+          </code>
+        </td></tr>
+      </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/script.js b/doc/script.js
new file mode 100644
index 0000000..9728804
--- /dev/null
+++ b/doc/script.js
@@ -0,0 +1,112 @@
+<!--
+// NSC -- new Scala compiler
+// Copyright 2005-2009 LAMP/EPFL
+// @author  Stephane Micheloud
+
+// $Id: script.js 17936 2009-05-31 18:30:21Z cunei $
+
+function setWindowTitle(title) {
+  parent.document.title = title;
+}
+
+var java_api_root = 'http://java.sun.com/javase/6/docs/api/';
+//var java_api_root = 'http://java.sun.com/j2se/1.5.0/docs/api/';
+//var java_api_root = 'http://lamp.epfl.ch/~linuxsoft/java/jdk1.5/docs/api/';
+
+var javax_servlet_api_root = 'http://java.sun.com/products/servlet/2.3/javadoc/';
+
+var scala_doc_url = parent.document.URL;
+var scala_api_root = scala_doc_url.substring(0, scala_doc_url.lastIndexOf("/")+1);
+
+var ant_api_root = 'http://lamp.epfl.ch/~linuxsoft/ant/manual/api/';
+//var ant_api_root = 'http://www.net-freaks.org/doc/ant-1.6.5/manual/api/';
+
+var eclipse_api_root = 'http://help.eclipse.org/help32/topic/org.eclipse.platform.doc.isv/reference/api/';
+
+var fjbg_api_root = 'http://lamp.epfl.ch/~linuxsoft/fjbg/api/';
+
+var liftweb_api_root = 'http://lamp.epfl.ch/~linuxsoft/liftweb/apidocs/';
+
+function get_api_root(key) {
+  root = null;
+  if      (key.indexOf("ch/epfl/lamp/fjbg/") == 0) { root = fjbg_api_root; }
+  else if (key.indexOf("java/"             ) == 0) { root = java_api_root; }
+  else if (key.indexOf("javax/"            ) == 0) { root = java_api_root; }
+  else if (key.indexOf("javax/servlet/"    ) == 0) { root = javax_servlet_api_root; }
+  else if (key.indexOf("scala/"            ) == 0) { root = scala_api_root; }
+  else if (key.indexOf("org/apache/tools/" ) == 0) { root = ant_api_root; }
+  else if (key.indexOf("org/eclipse/"      ) == 0) { root = eclipse_api_root; }
+  else if (key.indexOf("net/liftweb/"      ) == 0) { root = liftweb_api_root; }
+  return root;
+}
+
+var scala_src_root = 'http://lampsvn.epfl.ch/trac/scala/browser/scala/tags/R_2_7_5_final/';
+var lib_src_root = scala_src_root + 'src/library/';
+var comp_src_root = scala_src_root + 'src/compiler/';
+var actors_src_root = scala_src_root + 'src/actors/';
+var dbc_src_root = scala_src_root + 'src/dbc/';
+var swing_src_root = scala_src_root + 'src/swing/';
+
+//var liftweb_src_root = 'http://liftweb.googlecode.com/svn/trunk/liftweb/lift/src/main/scala/';
+
+function get_src_root(key) {
+  root = null;
+  if      (key.indexOf("scala/actors/") == 0) { root = actors_src_root; }
+  else if (key.indexOf("scala/dbc/"   ) == 0) { root = dbc_src_root; }
+  else if (key.indexOf("scala/swing/" ) == 0) { root = swing_src_root; }
+  else if (key.indexOf("scala/tools/" ) == 0) { root = comp_src_root; }
+  else if (key.indexOf("scala/"       ) == 0) { root = lib_src_root; }
+  //else if (key.indexOf("net/liftweb/" ) == 0) { root = liftweb_src_root; }
+  return root;
+}
+
+function init() {
+  elems = document.getElementsByTagName('a');
+  for (i = 0; i < elems.length; i++) {
+    try {
+      key = elems[i].getAttribute('class');
+      href = elems[i].getAttribute('href');
+      api_root = get_api_root(key);
+      if (api_root != null) {
+        href1 = href.substring(href.lastIndexOf("#"))
+        value = api_root + key + ".html" + href1;
+        elems[i].setAttribute('href', value);
+      }
+      src_root = get_src_root(key);
+      if (src_root != null) {
+        value = src_root + key + '.scala?view=markup';
+        elems[i].setAttribute('href', value);
+        elems[i].setAttribute('target' , '_top');
+      }
+    }
+    catch (e) {
+      // do nothing
+    }
+  }
+}
+
+function getLocation() {
+  kinds = parent.navigationFrame.document.getElementById("kinds");
+  oldLocation = parent.classesFrame.window.location.href;
+  //alert("oldLocation="+oldLocation);
+  pos = oldLocation.lastIndexOf("#");
+  classesURL = (pos > 0) ? oldLocation.substring(0, pos) : oldLocation;
+  newLocation = classesURL + kinds.options[kinds.selectedIndex].value;
+  //alert("newLocation="+newLocation);
+  return newLocation;
+}
+
+function gotoKind() {
+  parent.classesFrame.window.location = getLocation();
+}
+
+function resetKind() {
+  kinds = parent.navigationFrame.document.getElementById("kinds");
+  kinds.selectedIndex = 0;
+}
+
+function gotoName(letter) {
+  parent.classesFrame.window.location = getLocation() + "_" + letter;
+}
+-->
+
diff --git a/doc/sims/collision$content.html b/doc/sims/collision$content.html
new file mode 100644
index 0000000..d34c535
--- /dev/null
+++ b/doc/sims/collision$content.html
@@ -0,0 +1,191 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/AABB.html" target="_self">AABB</a></em>
+        (<code>val </code><em>minVertex</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>maxVertex</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Axis Aligned Bounding Boxes, kurz AABBs, sind Rechtecke die eine bestimmte Form umhuellen.
+ Da AABBs nach den X- und Y-Achsen orientiert sind, ermoeglichen sie eine schnelle
+ und einfache Feststellung ob zwei AABBs sich ueberschneiden.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/CircleCollision.html" target="_self">CircleCollision</a></em>
+        (<code>val </code><em>c1</em> : <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>, <code>val </code><em>c2</em> : <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>)<code> extends </code><a href="../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Kollision zwischen zwei Kreisen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Collision.html" target="_self">Collision</a></em>
+        <code> extends </code><a href="../sims/dynamics/Constraint.html" target="_self">Constraint</a><code> with </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Kollisionen zwischen zwei Formen enthalten Methoden zur Berrechnen der Kollisionsreaktion.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Detector.html" target="_self">Detector</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Eine Welt ermittelt ihre Kollisionen durch konkrete Implementierungen dieser Klasse.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/GridDetector.html" target="_self">GridDetector</a></em>
+        (<code>val override </code><em>world</em> : <a href="../sims/dynamics/World.html" target="_self">World</a>)<code> extends </code><a href="../sims/collision/Detector.html" target="_self">Detector</a>
+        
+        <div>Eine konkrete Implementierung von <code>Detector</code>. <code>GridDetector</code> ermittelt
+ alle Kollisionen mit einem Gittersystem.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Overlap.html" target="_self">Overlap</a></em>
+        (<code>val </code><em>poly</em> : <a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>sideNum</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <code>val </code><em>overlap</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Pair.html" target="_self">Pair</a></em>
+        (<code>val </code><em>s1</em> : <a href="../sims/dynamics/Shape.html" target="_self">Shape</a>, <code>val </code><em>s2</em> : <a href="../sims/dynamics/Shape.html" target="_self">Shape</a>)<code> extends </code>(<a href="../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../sims/dynamics/Shape.html" target="_self">Shape</a>)
+        
+        <div>Formenpaar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/PolyCircleCollision.html" target="_self">PolyCircleCollision</a></em>
+        (<code>val </code><em>p</em> : <a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>c</em> : <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>)<code> extends </code><a href="../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Kollision zwischen einem konvexen Polygon und einem Kreis.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/PolyCollision.html" target="_self">PolyCollision</a></em>
+        (<code>val </code><em>p1</em> : <a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>p2</em> : <a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>)<code> extends </code><a href="../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Kollision zwischen zwei konvexen Polygonen.</div>
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/AABB$object.html" target="_self">AABB</a></em>
+        <code> extends </code>(<a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../sims/collision/AABB.html" target="_self">AABB</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/CircleCollision$object.html" target="_self">CircleCollision</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/Circle.html" target="_self">Circle</a>, <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../sims/collision/CircleCollision.html" target="_self">CircleCollision</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Collision$object.html" target="_self">Collision</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Overlap$object.html" target="_self">Overlap</a></em>
+        <code> extends </code>(<a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/collision/Overlap.html" target="_self">Overlap</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/Pair$object.html" target="_self">Pair</a></em>
+        <code> extends </code>(<a href="../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../sims/dynamics/Shape.html" target="_self">Shape</a>) =&gt; <a href="../sims/collision/Pair.html" target="_self">Pair</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/PolyCircleCollision$object.html" target="_self">PolyCircleCollision</a></em>
+        <code> extends </code>(<a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../sims/collision/PolyCircleCollision.html" target="_self">PolyCircleCollision</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/collision/PolyCollision$object.html" target="_self">PolyCollision</a></em>
+        <code> extends </code>(<a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>) =&gt; <a href="../sims/collision/PolyCollision.html" target="_self">PolyCollision</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision$package.html b/doc/sims/collision$package.html
new file mode 100644
index 0000000..0871d60
--- /dev/null
+++ b/doc/sims/collision$package.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/collision$content.html" target="contentFrame">sims.collision</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_A"><a href="../sims/collision/AABB.html" target="contentFrame">AABB</a></li>
+<li id="Classes_C"><a href="../sims/collision/CircleCollision.html" target="contentFrame">CircleCollision</a></li>
+<li><a href="../sims/collision/Collision.html" target="contentFrame">Collision</a></li>
+<li id="Classes_D"><a href="../sims/collision/Detector.html" target="contentFrame">Detector</a></li>
+<li id="Classes_G"><a href="../sims/collision/GridDetector.html" target="contentFrame">GridDetector</a></li>
+<li id="Classes_O"><a href="../sims/collision/Overlap.html" target="contentFrame">Overlap</a></li>
+<li id="Classes_P"><a href="../sims/collision/Pair.html" target="contentFrame">Pair</a></li>
+<li><a href="../sims/collision/PolyCircleCollision.html" target="contentFrame">PolyCircleCollision</a></li>
+<li><a href="../sims/collision/PolyCollision.html" target="contentFrame">PolyCollision</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_A"><a href="../sims/collision/AABB$object.html" target="contentFrame">AABB</a></li>
+<li id="Objects_C"><a href="../sims/collision/CircleCollision$object.html" target="contentFrame">CircleCollision</a></li>
+<li><a href="../sims/collision/Collision$object.html" target="contentFrame">Collision</a></li>
+<li id="Objects_O"><a href="../sims/collision/Overlap$object.html" target="contentFrame">Overlap</a></li>
+<li id="Objects_P"><a href="../sims/collision/Pair$object.html" target="contentFrame">Pair</a></li>
+<li><a href="../sims/collision/PolyCircleCollision$object.html" target="contentFrame">PolyCircleCollision</a></li>
+<li><a href="../sims/collision/PolyCollision$object.html" target="contentFrame">PolyCollision</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/AABB$object.html b/doc/sims/collision/AABB$object.html
new file mode 100644
index 0000000..6d5d29d
--- /dev/null
+++ b/doc/sims/collision/AABB$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object AABB in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  AABB</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/AABB"><code>sims/collision/AABB.scala</code></a>]
+      </div><hr></hr>
+      <a name="AABB"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>AABB</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../sims/collision/AABB.html" target="_self">AABB</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/AABB.html b/doc/sims/collision/AABB.html
new file mode 100644
index 0000000..d4759f1
--- /dev/null
+++ b/doc/sims/collision/AABB.html
@@ -0,0 +1,309 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class AABB in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  AABB</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/AABB"><code>sims/collision/AABB.scala</code></a>]
+      </div><hr></hr>
+      <a name="AABB"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>AABB</em>(<code>val </code><em>minVertex</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>maxVertex</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Axis Aligned Bounding Boxes, kurz AABBs, sind Rechtecke die eine bestimmte Form umhuellen.
+ Da AABBs nach den X- und Y-Achsen orientiert sind, ermoeglichen sie eine schnelle
+ und einfache Feststellung ob zwei AABBs sich ueberschneiden.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>minVertex - </code>Ortsvektor der minimalen Ecke des AABBs</dd><dd><code>maxVertex - </code>Ortsvektor der maximalen Ecke des AABBs</dd></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalAABB.html" target="_self">GraphicalAABB</a></dd>
+      </dl><hr></hr>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#overlaps%28sims.collision.AABB%29" target="_self">overlaps</a></em>
+        (<em>box</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob dieses AABB sich mit dem AABB <code>box</code> ueberschneidet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/AABB.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="overlaps%28sims.collision.AABB%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>overlaps</em>(<em>box</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob dieses AABB sich mit dem AABB <code>box</code> ueberschneidet.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>box - </code>das mit diesem auf Ueberschneidung zu ueberpruefende AABB</dd></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/CircleCollision$object.html b/doc/sims/collision/CircleCollision$object.html
new file mode 100644
index 0000000..c175c15
--- /dev/null
+++ b/doc/sims/collision/CircleCollision$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object CircleCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  CircleCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/CircleCollision"><code>sims/collision/CircleCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="CircleCollision"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>CircleCollision</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>, <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../../sims/collision/CircleCollision.html" target="_self">CircleCollision</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/CircleCollision.html b/doc/sims/collision/CircleCollision.html
new file mode 100644
index 0000000..d305be6
--- /dev/null
+++ b/doc/sims/collision/CircleCollision.html
@@ -0,0 +1,409 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class CircleCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  CircleCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/CircleCollision"><code>sims/collision/CircleCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="CircleCollision"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>CircleCollision</em>(<code>val </code><em>c1</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>, <code>val </code><em>c2</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Kollision zwischen zwei Kreisen.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#normal" target="_self">normal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normalenvektor zu der Kollisionsebene.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#points" target="_self">points</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Kollisionspunkte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#shape1" target="_self">shape1</a></em>
+         : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+        
+        <div>Erste Kollisionsform (Referenz).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#shape2" target="_self">shape2</a></em>
+         : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+        
+        <div>Zweite Kollisionsform (eindringend).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/CircleCollision.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/collision/Collision.html" target="_self">Collision</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/collision/Collision.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>, <a href="../../sims/collision/Collision.html#correctFriction%28sims.geometry.Vector2D%2CDouble%2CDouble%29" target="_self">correctFriction</a>, <a href="../../sims/collision/Collision.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="shape1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shape1</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erste Kollisionsform (Referenz).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape1" target="_self">shape1</a>
+        </dd>
+      </dl><hr></hr>
+<a name="shape2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shape2</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zweite Kollisionsform (eindringend).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape2" target="_self">shape2</a>
+        </dd>
+      </dl><hr></hr>
+<a name="normal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>normal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normalenvektor zu der Kollisionsebene.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#normal" target="_self">normal</a>
+        </dd>
+      </dl><hr></hr>
+<a name="points"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>points</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionspunkte.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#points" target="_self">points</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Collision$object.html b/doc/sims/collision/Collision$object.html
new file mode 100644
index 0000000..de0b9de
--- /dev/null
+++ b/doc/sims/collision/Collision$object.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Collision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  Collision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Collision"><code>sims/collision/Collision.scala</code></a>]
+      </div><hr></hr>
+      <a name="Collision"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Collision</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision$object.html#ToleratedOverlap" target="_self">ToleratedOverlap</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Erlaubte Ueberlappung.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="ToleratedOverlap"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>ToleratedOverlap</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erlaubte Ueberlappung.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Collision.html b/doc/sims/collision/Collision.html
new file mode 100644
index 0000000..8b97de9
--- /dev/null
+++ b/doc/sims/collision/Collision.html
@@ -0,0 +1,259 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Collision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  Collision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Collision"><code>sims/collision/Collision.scala</code></a>]
+      </div><hr></hr>
+      <a name="Collision"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>class</code>
+        <em>Collision</em>
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Constraint.html" target="_self">Constraint</a><code> with </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Kollisionen zwischen zwei Formen enthalten Methoden zur Berrechnen der Kollisionsreaktion.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../sims/collision/CircleCollision.html" target="_self">CircleCollision</a>, <a href="../../sims/collision/PolyCircleCollision.html" target="_self">PolyCircleCollision</a>, <a href="../../sims/collision/PolyCollision.html" target="_self">PolyCollision</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#normal" target="_self">normal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normalenvektor zu der Kollisionsebene.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#points" target="_self">points</a></em>
+         : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Kollisionspunkte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#shape1" target="_self">shape1</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Erste Kollisionsform (Referenz).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#shape2" target="_self">shape2</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Zweite Kollisionsform (eindringend).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#correctFriction%28sims.geometry.Vector2D%2CDouble%2CDouble%29" target="_self">correctFriction</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>normalForce</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Collision.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen entsprechen.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="shape1"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>shape1</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erste Kollisionsform (Referenz).</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="shape2"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>shape2</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zweite Kollisionsform (eindringend).</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="points"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>points</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionspunkte.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="normal"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>normal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normalenvektor zu der Kollisionsebene.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Constraint.html" target="_self">Constraint</a>.<a href="../../sims/dynamics/Constraint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctFriction%28sims.geometry.Vector2D%2CDouble%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctFriction</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>normalForce</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Constraint.html" target="_self">Constraint</a>.<a href="../../sims/dynamics/Constraint.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Detector.html b/doc/sims/collision/Detector.html
new file mode 100644
index 0000000..7aaa1e4
--- /dev/null
+++ b/doc/sims/collision/Detector.html
@@ -0,0 +1,133 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Detector in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  Detector</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Detector"><code>sims/collision/Detector.scala</code></a>]
+      </div><hr></hr>
+      <a name="Detector"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>class</code>
+        <em>Detector</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Eine Welt ermittelt ihre Kollisionen durch konkrete Implementierungen dieser Klasse.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../sims/collision/GridDetector.html" target="_self">GridDetector</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Detector.html#world" target="_self">world</a></em>
+         : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+        
+        <div>Die Welt dessen Formen auf Kollisionen ueberprueft werden sollen.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Detector.html#collisions" target="_self">collisions</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Collision.html" target="_self">Collision</a>]
+        
+        <div>Ergibt alle Kollisionen zwischen Formen der Welt <code>world</code>.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="world"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Die Welt dessen Formen auf Kollisionen ueberprueft werden sollen.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="collisions"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>collisions</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Collision.html" target="_self">Collision</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt alle Kollisionen zwischen Formen der Welt <code>world</code>.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/GridDetector.html b/doc/sims/collision/GridDetector.html
new file mode 100644
index 0000000..43dc1f6
--- /dev/null
+++ b/doc/sims/collision/GridDetector.html
@@ -0,0 +1,311 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class GridDetector in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  GridDetector</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/GridDetector"><code>sims/collision/GridDetector.scala</code></a>]
+      </div><hr></hr>
+      <a name="GridDetector"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>GridDetector</em>(<code>val override </code><em>world</em> : <a href="../../sims/dynamics/World.html" target="_self">World</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/collision/Detector.html" target="_self">Detector</a></dd>
+    </dl>
+      <dl><dd>Eine konkrete Implementierung von <code>Detector</code>. <code>GridDetector</code> ermittelt
+ alle Kollisionen mit einem Gittersystem.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#collisionMethods" target="_self">collisionMethods</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="" target="contentFrame" class="scala/PartialFunction">scala.PartialFunction</a>[(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>), <a href="../../sims/collision/Collision.html" target="_self">Collision</a>]]
+        
+        <div>Array von Kollisionsmethoden fuer Formenpaare.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#detectionMethods" target="_self">detectionMethods</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="" target="contentFrame" class="scala/PartialFunction">scala.PartialFunction</a>[(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>), <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>]]
+        
+        <div>Array von Kollisionserkennungsmethoden fuer Formenpaare.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#gridSide" target="_self">gridSide</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Breite und Hoehe einer Gitterzelle.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#colliding%28sims.collision.Pair%29" target="_self">colliding</a></em>
+        (<em>p</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Gibt an, ob das Formenpaar <code>p</code> kollidiert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#collidingPairs" target="_self">collidingPairs</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+        
+        <div>Ergibt alle kollidierenden Paare.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#collision%28sims.collision.Pair%29" target="_self">collision</a></em>
+        (<em>p</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="../../sims/collision/Collision.html" target="_self">Collision</a>
+        
+        <div>Gibt die Kollision des Formenpaares <code>p</code> zurueck.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#collisions" target="_self">collisions</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Collision.html" target="_self">Collision</a>]
+        
+        <div>Ergibt alle Kollisionen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#getPairs" target="_self">getPairs</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+        
+        <div>Ergibt potenzielle Kollisionspaare der Welt <code>world</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/GridDetector.html#pairs" target="_self">pairs</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+        
+        <div>Alle potentiellen Kollisionspaare der Welt.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="detectionMethods"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>detectionMethods</em> : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="" target="contentFrame" class="scala/PartialFunction">scala.PartialFunction</a>[(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>), <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>]]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Array von Kollisionserkennungsmethoden fuer Formenpaare.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="collisionMethods"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>collisionMethods</em> : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="" target="contentFrame" class="scala/PartialFunction">scala.PartialFunction</a>[(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>), <a href="../../sims/collision/Collision.html" target="_self">Collision</a>]]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Array von Kollisionsmethoden fuer Formenpaare.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="gridSide"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>gridSide</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Breite und Hoehe einer Gitterzelle.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="colliding%28sims.collision.Pair%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>colliding</em>(<em>p</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt an, ob das Formenpaar <code>p</code> kollidiert.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>p - </code>Formenpaar.</dd></dl>
+    <hr></hr>
+<a name="collision%28sims.collision.Pair%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>collision</em>(<em>p</em> : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>) : <a href="../../sims/collision/Collision.html" target="_self">Collision</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt die Kollision des Formenpaares <code>p</code> zurueck.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>p - </code>Formenpaar.</dd></dl>
+    <hr></hr>
+<a name="getPairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>getPairs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt potenzielle Kollisionspaare der Welt <code>world</code>.
+   <p>
+   Ein Kollisionspaar ist ein Paar aus zwei verschiedenen Formen, das folgenden Bedingungen unterliegt:
+   <ul>
+   <li>Die Formen muessen sich in der gleichen Gitterzelle befinden.</li>
+   <li>Ihre AABBs muessen sich ueberlappen.</li>
+   <li>Die Formen duerfen nicht von dem gleichen Koerper sein.</li>
+   <li>Mindestens eine Form darf nicht Fixiert sein.</li>
+   <li>Beide muessen {@link dynamics.Shape#collidable collidierbar} sein.</li>
+   </ul></dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="pairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>pairs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Alle potentiellen Kollisionspaare der Welt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>See Also</b></dt><dd>getPairs</dd></dl>
+    <hr></hr>
+<a name="collidingPairs"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>collidingPairs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Pair.html" target="_self">Pair</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt alle kollidierenden Paare.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="collisions"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>collisions</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/collision/Collision.html" target="_self">Collision</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt alle Kollisionen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Detector.html" target="_self">Detector</a>.<a href="../../sims/collision/Detector.html#collisions" target="_self">collisions</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Overlap$object.html b/doc/sims/collision/Overlap$object.html
new file mode 100644
index 0000000..0989c48
--- /dev/null
+++ b/doc/sims/collision/Overlap$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Overlap in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  Overlap</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Overlap"><code>sims/collision/Overlap.scala</code></a>]
+      </div><hr></hr>
+      <a name="Overlap"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Overlap</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/collision/Overlap.html" target="_self">Overlap</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function3">scala.Function3</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function3">scala.Function3.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function3">scala.Function3.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Overlap.html b/doc/sims/collision/Overlap.html
new file mode 100644
index 0000000..f76df7e
--- /dev/null
+++ b/doc/sims/collision/Overlap.html
@@ -0,0 +1,276 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Overlap in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  Overlap</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Overlap"><code>sims/collision/Overlap.scala</code></a>]
+      </div><hr></hr>
+      <a name="Overlap"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Overlap</em>(<code>val </code><em>poly</em> : <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>sideNum</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <code>val </code><em>overlap</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Overlap.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Pair$object.html b/doc/sims/collision/Pair$object.html
new file mode 100644
index 0000000..fab5d78
--- /dev/null
+++ b/doc/sims/collision/Pair$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Pair in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  Pair</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Pair"><code>sims/collision/Pair.scala</code></a>]
+      </div><hr></hr>
+      <a name="Pair"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Pair</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) =&gt; <a href="../../sims/collision/Pair.html" target="_self">Pair</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/Pair.html b/doc/sims/collision/Pair.html
new file mode 100644
index 0000000..15b53bf
--- /dev/null
+++ b/doc/sims/collision/Pair.html
@@ -0,0 +1,257 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Pair in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  Pair</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/Pair"><code>sims/collision/Pair.scala</code></a>]
+      </div><hr></hr>
+      <a name="Pair"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Pair</em>(<code>val </code><em>s1</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <code>val </code><em>s2</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)</dd>
+    </dl>
+      <dl><dd>Formenpaar.</dd></dl>
+      <dl></dl>
+    
+      <table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Additional Constructor Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Pair.html#this%28%28sims.dynamics.Shape%2Csims.dynamics.Shape%29%29" target="_self">this</a></em>
+        (<em>t</em> : (<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)) : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="" target="contentFrame" class="scala/Tuple2">scala.Tuple2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#_1" target="contentFrame" class="scala/Tuple2">scala.Tuple2._1</a>, <a href="#_2" target="contentFrame" class="scala/Tuple2">scala.Tuple2._2</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Pair.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>other</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Pair.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/Pair.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Tuple2">scala.Tuple2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Tuple2">scala.Tuple2.toString</a>, <a href="#swap" target="contentFrame" class="scala/Tuple2">scala.Tuple2.swap</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Product2">scala.Product2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#productArity" target="contentFrame" class="scala/Product2">scala.Product2.productArity</a>, <a href="#productElement" target="contentFrame" class="scala/Product2">scala.Product2.productElement</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      <table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Additional Constructor Details</td></tr>
+        </table><div><a name="this%28%28sims.dynamics.Shape%2Csims.dynamics.Shape%29%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>t</em> : (<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>, <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)) : <a href="../../sims/collision/Pair.html" target="_self">Pair</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>other</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Tuple2">scala.Tuple2</a>.<a href="#equals" target="contentFrame" class="scala/Tuple2">scala.Tuple2.equals</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Tuple2">scala.Tuple2</a>.<a href="#hashCode" target="contentFrame" class="scala/Tuple2">scala.Tuple2.hashCode</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Tuple2">scala.Tuple2</a>.<a href="#productPrefix" target="contentFrame" class="scala/Tuple2">scala.Tuple2.productPrefix</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/PolyCircleCollision$object.html b/doc/sims/collision/PolyCircleCollision$object.html
new file mode 100644
index 0000000..7ccdcf3
--- /dev/null
+++ b/doc/sims/collision/PolyCircleCollision$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object PolyCircleCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  PolyCircleCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/PolyCircleCollision"><code>sims/collision/PolyCircleCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="PolyCircleCollision"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>PolyCircleCollision</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>) =&gt; <a href="../../sims/collision/PolyCircleCollision.html" target="_self">PolyCircleCollision</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/PolyCircleCollision.html b/doc/sims/collision/PolyCircleCollision.html
new file mode 100644
index 0000000..eb30399
--- /dev/null
+++ b/doc/sims/collision/PolyCircleCollision.html
@@ -0,0 +1,409 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class PolyCircleCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  PolyCircleCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/PolyCircleCollision"><code>sims/collision/PolyCircleCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="PolyCircleCollision"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>PolyCircleCollision</em>(<code>val </code><em>p</em> : <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>c</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Kollision zwischen einem konvexen Polygon und einem Kreis.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#normal" target="_self">normal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normalenvektor zu der Kollisionsebene.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#points" target="_self">points</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Kollisionspunkte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#shape1" target="_self">shape1</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Erste Kollisionsform (Referenz).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#shape2" target="_self">shape2</a></em>
+         : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+        
+        <div>Zweite Kollisionsform (eindringend).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCircleCollision.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/collision/Collision.html" target="_self">Collision</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/collision/Collision.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>, <a href="../../sims/collision/Collision.html#correctFriction%28sims.geometry.Vector2D%2CDouble%2CDouble%29" target="_self">correctFriction</a>, <a href="../../sims/collision/Collision.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="shape1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shape1</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erste Kollisionsform (Referenz).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape1" target="_self">shape1</a>
+        </dd>
+      </dl><hr></hr>
+<a name="shape2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shape2</em> : <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zweite Kollisionsform (eindringend).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape2" target="_self">shape2</a>
+        </dd>
+      </dl><hr></hr>
+<a name="normal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>normal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normalenvektor zu der Kollisionsebene.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#normal" target="_self">normal</a>
+        </dd>
+      </dl><hr></hr>
+<a name="points"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>points</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionspunkte.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#points" target="_self">points</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/PolyCollision$object.html b/doc/sims/collision/PolyCollision$object.html
new file mode 100644
index 0000000..a9642ae
--- /dev/null
+++ b/doc/sims/collision/PolyCollision$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object PolyCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">object  PolyCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/PolyCollision"><code>sims/collision/PolyCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="PolyCollision"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>PolyCollision</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>) =&gt; <a href="../../sims/collision/PolyCollision.html" target="_self">PolyCollision</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/collision/PolyCollision.html b/doc/sims/collision/PolyCollision.html
new file mode 100644
index 0000000..dbfe30b
--- /dev/null
+++ b/doc/sims/collision/PolyCollision.html
@@ -0,0 +1,469 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class PolyCollision in sims.collision</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/collision$package.html" target="_self">sims.collision</a>
+        <br></br>
+        <span class="entity">class  PolyCollision</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/collision/PolyCollision"><code>sims/collision/PolyCollision.scala</code></a>]
+      </div><hr></hr>
+      <a name="PolyCollision"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>PolyCollision</em>(<code>val </code><em>p1</em> : <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>, <code>val </code><em>p2</em> : <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/collision/Collision.html" target="_self">Collision</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Kollision zwischen zwei konvexen Polygonen.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#minOverlap" target="_self">minOverlap</a></em>
+         : <a href="../../sims/collision/Overlap.html" target="_self">Overlap</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#normal" target="_self">normal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normalenvektor zu der Kollisionsebene.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#overlaps" target="_self">overlaps</a></em>
+         : <a href="" target="contentFrame" class="scala/RandomAccessSeq">scala.RandomAccessSeq</a>[<a href="../../sims/collision/Overlap.html" target="_self">Overlap</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#points" target="_self">points</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Kollisionspunkte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#shape1" target="_self">shape1</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Erste Kollisionsform (Referenz).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#shape2" target="_self">shape2</a></em>
+         : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        
+        <div>Zweite Kollisionsform (eindringend).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#overlap%28sims.geometry.Vector2D%29" target="_self">overlap</a></em>
+        (<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/collision/PolyCollision.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/collision/Collision.html" target="_self">Collision</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/collision/Collision.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>, <a href="../../sims/collision/Collision.html#correctFriction%28sims.geometry.Vector2D%2CDouble%2CDouble%29" target="_self">correctFriction</a>, <a href="../../sims/collision/Collision.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="overlaps"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>overlaps</em> : <a href="" target="contentFrame" class="scala/RandomAccessSeq">scala.RandomAccessSeq</a>[<a href="../../sims/collision/Overlap.html" target="_self">Overlap</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="minOverlap"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>minOverlap</em> : <a href="../../sims/collision/Overlap.html" target="_self">Overlap</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="shape1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>shape1</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erste Kollisionsform (Referenz).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape1" target="_self">shape1</a>
+        </dd>
+      </dl><hr></hr>
+<a name="shape2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>shape2</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zweite Kollisionsform (eindringend).</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#shape2" target="_self">shape2</a>
+        </dd>
+      </dl><hr></hr>
+<a name="normal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>normal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normalenvektor zu der Kollisionsebene.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#normal" target="_self">normal</a>
+        </dd>
+      </dl><hr></hr>
+<a name="points"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>points</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionspunkte.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/collision/Collision.html" target="_self">Collision</a>.<a href="../../sims/collision/Collision.html#points" target="_self">points</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="overlap%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>overlap</em>(<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics$content.html b/doc/sims/dynamics$content.html
new file mode 100644
index 0000000..256ead8
--- /dev/null
+++ b/doc/sims/dynamics$content.html
@@ -0,0 +1,146 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Body.html" target="_self">Body</a></em>
+        (<em>shps</em> : <a href="../sims/dynamics/Shape.html" target="_self">Shape</a>*)<code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Ein 2-Dimensionaler Koerper besteht aus mehreren Formen. Im gegensatz zu letzteren, enthaelt ein Koerper dynamische Informationen (v, F, etc...).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Circle.html" target="_self">Circle</a></em>
+        (<code>val </code><em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Circle ist die Definition eines Kreises.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Constraint.html" target="_self">Constraint</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Randbedingungen erben von dem Trait <code>Constraint</code>.
+ Fuer jeden Constraint koennen Position und Geschwindigkeit korrigiert werden.
+ Ihre Implementierung wurde von Erin Catto's box2d inspiriert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Rectangle.html" target="_self">Rectangle</a></em>
+        (<code>val </code><em>halfWidth</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>halfHeight</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Rechteck ist eine Art Polygon.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a></em>
+        (<code>val </code><em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <code>val </code><em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Ein regelmaessiges Polygon mit <code>n</code> Seiten, dass der Kreis mit radius <code>radius</code> umschreibt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Shape.html" target="_self">Shape</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Eine abstrakte Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/World.html" target="_self">World</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Eine Welt enthaelt und Simuliert ein System aus Koerpern und Verbindungen.</div>
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Body$object.html" target="_self">Body</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Circle$object.html" target="_self">Circle</a></em>
+        <code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/dynamics/Circle.html" target="_self">Circle</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Rectangle$object.html" target="_self">Rectangle</a></em>
+        <code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/RegularPolygon$object.html" target="_self">RegularPolygon</a></em>
+        <code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/dynamics/Shape$object.html" target="_self">Shape</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics$package.html b/doc/sims/dynamics$package.html
new file mode 100644
index 0000000..b2430c2
--- /dev/null
+++ b/doc/sims/dynamics$package.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/dynamics$content.html" target="contentFrame">sims.dynamics</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_B"><a href="../sims/dynamics/Body.html" target="contentFrame">Body</a></li>
+<li id="Classes_C"><a href="../sims/dynamics/Circle.html" target="contentFrame">Circle</a></li>
+<li><a href="../sims/dynamics/Constraint.html" target="contentFrame">Constraint</a></li>
+<li id="Classes_R"><a href="../sims/dynamics/Rectangle.html" target="contentFrame">Rectangle</a></li>
+<li><a href="../sims/dynamics/RegularPolygon.html" target="contentFrame">RegularPolygon</a></li>
+<li id="Classes_S"><a href="../sims/dynamics/Shape.html" target="contentFrame">Shape</a></li>
+<li id="Classes_W"><a href="../sims/dynamics/World.html" target="contentFrame">World</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_B"><a href="../sims/dynamics/Body$object.html" target="contentFrame">Body</a></li>
+<li id="Objects_C"><a href="../sims/dynamics/Circle$object.html" target="contentFrame">Circle</a></li>
+<li id="Objects_R"><a href="../sims/dynamics/Rectangle$object.html" target="contentFrame">Rectangle</a></li>
+<li><a href="../sims/dynamics/RegularPolygon$object.html" target="contentFrame">RegularPolygon</a></li>
+<li id="Objects_S"><a href="../sims/dynamics/Shape$object.html" target="contentFrame">Shape</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Body$object.html b/doc/sims/dynamics/Body$object.html
new file mode 100644
index 0000000..fe5fec2
--- /dev/null
+++ b/doc/sims/dynamics/Body$object.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Body in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">object  Body</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Body"><code>sims/dynamics/Body.scala</code></a>]
+      </div><hr></hr>
+      <a name="Body"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Body</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Body.html b/doc/sims/dynamics/Body.html
new file mode 100644
index 0000000..20abf83
--- /dev/null
+++ b/doc/sims/dynamics/Body.html
@@ -0,0 +1,659 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Body in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  Body</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Body"><code>sims/dynamics/Body.scala</code></a>]
+      </div><hr></hr>
+      <a name="Body"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>Body</em>(<em>shps</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>*)
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Ein 2-Dimensionaler Koerper besteht aus mehreren Formen. Im gegensatz zu letzteren, enthaelt ein Koerper dynamische Informationen (v, F, etc...).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>shps - </code>zu dem Koerper gehoerende Formen.</dd></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#angularVelocity" target="_self">angularVelocity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Winkelgeschwindigkeit dieses Koerpers.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#force" target="_self">force</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Resultierende Kraft auf den Schwerpunkt dieses Koerpers.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#linearVelocity" target="_self">linearVelocity</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Lineargeschwindigkeit dieses Koerpers.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#monitor" target="_self">monitor</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Gibt an ob die Eigenschaften dieses Koerpers ueberwacht werden sollen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#shapes" target="_self">shapes</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+        
+        <div>Formen aus denen dieser Koerper besteht.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#torque" target="_self">torque</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Resultierender Drehmoment zu dem Schwerpunkt dieses Koerpers.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#uid" target="_self">uid</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Einzigartige Identifikationsnummer dieses Koerpers.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#I" target="_self">I</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt den Traegheitsmoment zu dem Schwerpunkt dieses Koerpers. Der Traegheitsmoment wird mit Hilfe des Steinerschen Satzes errechnet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Erstellt einen neuen Koerper der zusaetzlich die Form <code>s</code> enthaelt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#%5E%28sims.dynamics.Body%29" target="_self">^</a></em>
+        (<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Erstellt einen neuen Koerper der zusaetzlich die Formen von dem Koerper <code>b</code> enthaelt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#applyForce%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">applyForce</a></em>
+        (<em>force</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Wendet eine Kraft auf einen Punkt dieses Koerpers an. Achtung: der gegebene Punkt wird nicht auf angehoerigkeit dieses
+   Koerpers ueberprueft.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#applyForce%28sims.geometry.Vector2D%29" target="_self">applyForce</a></em>
+        (<em>force</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Wendet eine Kraft auf den Schwerpunkt dieses Koerpers an.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#applyImpulse%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">applyImpulse</a></em>
+        (<em>impulse</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Wendet einen Impuls auf einen Punkt dieses Koerpers an. Achtung: der gegebene Punkt wird nicht auf angehoerigkeit dieses
+   Koerpers ueberprueft.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#applyImpulse%28sims.geometry.Vector2D%29" target="_self">applyImpulse</a></em>
+        (<em>impulse</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Wendet einen Impuls auf den Schwerpunkt dieses Koerpers an.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob der gegebene Punkt <code>point</code> sich in diesem Koerper befindet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#fixed" target="_self">fixed</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Gibt an ob dieser Koerper fixiert ist.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#fixed_%3D%28Boolean%29" target="_self">fixed_=</a></em>
+        (<em>value</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Fixiert oder unfixiert diesen Koerper.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#mass" target="_self">mass</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt die Masse dieses Koerpers. Die Masse ist gleich die Summe aller Massen seiner Formen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#pos" target="_self">pos</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ermittelt die Position dieses Koerpers. Die Position entspricht dem Schwerpunkt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#pos_%3D%28sims.geometry.Vector2D%29" target="_self">pos_=</a></em>
+        (<em>newPos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Setzt die Position dieses Koerpers und verschiebt dadurch die Positionen seiner Formen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#rotation" target="_self">rotation</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt die aktuelle Rotation dieses Koerpers.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#rotation_%3D%28Double%29" target="_self">rotation_=</a></em>
+        (<em>newRotation</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Setzt die Rotation dieses Koerpers. Dazu werden auch die Positionen und Rotationen seiner Formen entsprechend veraendert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Body.html#velocityOfPoint%28sims.geometry.Vector2D%29" target="_self">velocityOfPoint</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Lineargeschwindigkeit des gegebenen Punktes auf diesem Koerper. In Weltkoordinaten.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="uid"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>uid</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Einzigartige Identifikationsnummer dieses Koerpers.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="shapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shapes</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Formen aus denen dieser Koerper besteht.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="monitor"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>monitor</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt an ob die Eigenschaften dieses Koerpers ueberwacht werden sollen.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>See Also</b></dt><dd><a href="../../sims/dynamics/World.html#monitors" target="_self">World#monitors</a></dd></dl>
+    <hr></hr>
+<a name="linearVelocity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>linearVelocity</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Lineargeschwindigkeit dieses Koerpers.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="angularVelocity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>angularVelocity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Winkelgeschwindigkeit dieses Koerpers.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="force"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>force</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Resultierende Kraft auf den Schwerpunkt dieses Koerpers.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="torque"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>torque</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Resultierender Drehmoment zu dem Schwerpunkt dieses Koerpers.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="fixed"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fixed</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt an ob dieser Koerper fixiert ist.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="fixed_%3D%28Boolean%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>fixed_=</em>(<em>value</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Fixiert oder unfixiert diesen Koerper.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="pos"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>pos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ermittelt die Position dieses Koerpers. Die Position entspricht dem Schwerpunkt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Position dieses Koerpers</dd></dl>
+    <hr></hr>
+<a name="pos_%3D%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>pos_=</em>(<em>newPos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Setzt die Position dieses Koerpers und verschiebt dadurch die Positionen seiner Formen.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>newPos - </code>neue Position</dd></dl>
+    <hr></hr>
+<a name="rotation"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>rotation</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die aktuelle Rotation dieses Koerpers.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>aktuelle Rotation dieses Koerpers</dd></dl>
+    <hr></hr>
+<a name="rotation_%3D%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>rotation_=</em>(<em>newRotation</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Setzt die Rotation dieses Koerpers. Dazu werden auch die Positionen und Rotationen seiner Formen entsprechend veraendert.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>r - </code>neue Rotation</dd></dl>
+    <hr></hr>
+<a name="velocityOfPoint%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>velocityOfPoint</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Lineargeschwindigkeit des gegebenen Punktes auf diesem Koerper. In Weltkoordinaten.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="mass"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>mass</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Masse dieses Koerpers. Die Masse ist gleich die Summe aller Massen seiner Formen.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Masse des Koerpers</dd></dl>
+    <hr></hr>
+<a name="I"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>I</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt den Traegheitsmoment zu dem Schwerpunkt dieses Koerpers. Der Traegheitsmoment wird mit Hilfe des Steinerschen Satzes errechnet.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Traegheitsmoment relativ zu dem Schwerpunkt dieses Koerpers</dd></dl>
+    <hr></hr>
+<a name="applyForce%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>applyForce</em>(<em>force</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Wendet eine Kraft auf den Schwerpunkt dieses Koerpers an.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>force - </code>anzuwendender Kraftvektor</dd></dl>
+    <hr></hr>
+<a name="applyForce%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>applyForce</em>(<em>force</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Wendet eine Kraft auf einen Punkt dieses Koerpers an. Achtung: der gegebene Punkt wird nicht auf angehoerigkeit dieses
+   Koerpers ueberprueft.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>force - </code>anzuwendender Kraftvektor</dd><dd><code>point - </code>Ortsvektor des Punktes auf den die Kraft wirken soll (gegeben in Weltkoordinaten).</dd></dl>
+    <hr></hr>
+<a name="applyImpulse%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>applyImpulse</em>(<em>impulse</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Wendet einen Impuls auf den Schwerpunkt dieses Koerpers an.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>impulse - </code>anzuwendender Impulsvektor</dd></dl>
+    <hr></hr>
+<a name="applyImpulse%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>applyImpulse</em>(<em>impulse</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Wendet einen Impuls auf einen Punkt dieses Koerpers an. Achtung: der gegebene Punkt wird nicht auf angehoerigkeit dieses
+   Koerpers ueberprueft.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>impulse - </code>anzuwendender Impulsvektor</dd><dd><code>point - </code>Ortsvektor des Punktes auf den der Impuls wirken soll (gegeben in Weltkoordinaten).</dd></dl>
+    <hr></hr>
+<a name="contains%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>contains</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob der gegebene Punkt <code>point</code> sich in diesem Koerper befindet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="%5E%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>^</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erstellt einen neuen Koerper der zusaetzlich die Form <code>s</code> enthaelt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>s - </code>zusaetzliche Form</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>neuer Koerper</dd></dl>
+    <hr></hr>
+<a name="%5E%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>^</em>(<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erstellt einen neuen Koerper der zusaetzlich die Formen von dem Koerper <code>b</code> enthaelt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>b - </code>Koerper mit zusaetzlichen Formen</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>neuer Koerper</dd></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Circle$object.html b/doc/sims/dynamics/Circle$object.html
new file mode 100644
index 0000000..086b684
--- /dev/null
+++ b/doc/sims/dynamics/Circle$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Circle in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">object  Circle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Circle"><code>sims/dynamics/Circle.scala</code></a>]
+      </div><hr></hr>
+      <a name="Circle"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Circle</em>
+      </dt>
+      <dd><code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Circle.html b/doc/sims/dynamics/Circle.html
new file mode 100644
index 0000000..d6807a8
--- /dev/null
+++ b/doc/sims/dynamics/Circle.html
@@ -0,0 +1,456 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Circle in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  Circle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Circle"><code>sims/dynamics/Circle.scala</code></a>]
+      </div><hr></hr>
+      <a name="Circle"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Circle</em>(<code>val </code><em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Circle ist die Definition eines Kreises.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>radius - </code>Radius dieses Kreises</dd><dd><code>density - </code>Dichte dieses Kreises</dd></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalCircle.html" target="_self">GraphicalCircle</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#I" target="_self">I</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#volume" target="_self">volume</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#uid" target="_self">uid</a>, <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#AABB" target="_self">AABB</a></em>
+         : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+        
+        <div>Gibt das umfassende AABB dieser Form zurueck.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ermittelt ob der gebene Punkt <code>point</code> in dieser Form enthalten ist.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#project%28sims.geometry.Vector2D%29" target="_self">project</a></em>
+        (<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+        
+        <div>Ergibt die Projektion dieser Form auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Circle.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="volume"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>volume</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#volume" target="_self">volume</a>
+        </dd>
+      </dl><hr></hr>
+<a name="I"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>I</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Traegheitsmoment zum Schwerpunkt</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#I" target="_self">I</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="AABB"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>AABB</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt das umfassende AABB dieser Form zurueck.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>umfassendes AABB</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#AABB" target="_self">AABB</a>
+        </dd>
+      </dl><hr></hr>
+<a name="project%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>project</em>(<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Projektion dieser Form auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>axis - </code>Richtungsvektor der Geraden</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Projektion dieser Form</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>
+        </dd>
+      </dl><hr></hr>
+<a name="contains%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>contains</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ermittelt ob der gebene Punkt <code>point</code> in dieser Form enthalten ist.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Constraint.html b/doc/sims/dynamics/Constraint.html
new file mode 100644
index 0000000..556e5c3
--- /dev/null
+++ b/doc/sims/dynamics/Constraint.html
@@ -0,0 +1,132 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait Constraint in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">trait  Constraint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Constraint"><code>sims/dynamics/Constraint.scala</code></a>]
+      </div><hr></hr>
+      <a name="Constraint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>Constraint</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Randbedingungen erben von dem Trait <code>Constraint</code>.
+ Fuer jeden Constraint koennen Position und Geschwindigkeit korrigiert werden.
+ Ihre Implementierung wurde von Erin Catto's box2d inspiriert.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../sims/collision/Collision.html" target="_self">Collision</a>, <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a></dd>
+      </dl><hr></hr>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Constraint.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Constraint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen entsprechen.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen entsprechen.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen entsprechen.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Rectangle$object.html b/doc/sims/dynamics/Rectangle$object.html
new file mode 100644
index 0000000..7c76345
--- /dev/null
+++ b/doc/sims/dynamics/Rectangle$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Rectangle in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">object  Rectangle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Rectangle"><code>sims/dynamics/Rectangle.scala</code></a>]
+      </div><hr></hr>
+      <a name="Rectangle"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Rectangle</em>
+      </dt>
+      <dd><code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function3">scala.Function3</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function3">scala.Function3.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function3">scala.Function3.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Rectangle.html b/doc/sims/dynamics/Rectangle.html
new file mode 100644
index 0000000..a002d40
--- /dev/null
+++ b/doc/sims/dynamics/Rectangle.html
@@ -0,0 +1,431 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Rectangle in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  Rectangle</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Rectangle"><code>sims/dynamics/Rectangle.scala</code></a>]
+      </div><hr></hr>
+      <a name="Rectangle"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Rectangle</em>(<code>val </code><em>halfWidth</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>halfHeight</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Rechteck ist eine Art Polygon.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>halfWidth - </code>halbe Breite dieses Rechtecks</dd><dd><code>halfHeight - </code>halbe Hoehe dieses Rechtecks</dd><dd><code>density - </code>dichte dieses Rechtecks</dd></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalRectangle.html" target="_self">GraphicalRectangle</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#I" target="_self">I</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#volume" target="_self">volume</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#uid" target="_self">uid</a>, <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#halfDiags" target="_self">halfDiags</a></em>
+         : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Ergibt Vektoren vom Zentrum dieses Rectecks bis zu den Ecken.
+   Erste Ecke entspricht der Ecke oben rechts bei einer Rotation von 0.
+   Folgende Ecken sind gegen den Uhrzeigersinn geordnet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Rectangle.html#vertices" target="_self">vertices</a></em>
+         : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Ergibt die Ortsvektoren der Ecken dieses Rechtecks. 
+   Erste Ecke entspricht der Ecke oben rechts bei einer Rotation von 0.
+   Folgende Ecken sind gegen den Uhrzeigersinn geordnet.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/geometry/ConvexPolygon.html#sides" target="_self">sides</a>, <a href="../../sims/geometry/ConvexPolygon.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>, <a href="../../sims/geometry/ConvexPolygon.html#AABB" target="_self">AABB</a>, <a href="../../sims/geometry/ConvexPolygon.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="volume"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>volume</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#volume" target="_self">volume</a>
+        </dd>
+      </dl><hr></hr>
+<a name="I"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>I</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Traegheitsmoment zum Schwerpunkt</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#I" target="_self">I</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="halfDiags"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>halfDiags</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt Vektoren vom Zentrum dieses Rectecks bis zu den Ecken.
+   Erste Ecke entspricht der Ecke oben rechts bei einer Rotation von 0.
+   Folgende Ecken sind gegen den Uhrzeigersinn geordnet.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Vektoren vom Zentrum dieses Rectecks bis zu den Ecken</dd></dl>
+    <hr></hr>
+<a name="vertices"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>vertices</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Ortsvektoren der Ecken dieses Rechtecks. 
+   Erste Ecke entspricht der Ecke oben rechts bei einer Rotation von 0.
+   Folgende Ecken sind gegen den Uhrzeigersinn geordnet.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Ortsvektoren der Ecken dieses Rechtecks</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>.<a href="../../sims/geometry/ConvexPolygon.html#vertices" target="_self">vertices</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/RegularPolygon$object.html b/doc/sims/dynamics/RegularPolygon$object.html
new file mode 100644
index 0000000..b2d8a0e
--- /dev/null
+++ b/doc/sims/dynamics/RegularPolygon$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object RegularPolygon in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">object  RegularPolygon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/RegularPolygon"><code>sims/dynamics/RegularPolygon.scala</code></a>]
+      </div><hr></hr>
+      <a name="RegularPolygon"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>RegularPolygon</em>
+      </dt>
+      <dd><code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function3">scala.Function3</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function3">scala.Function3.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function3">scala.Function3.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/RegularPolygon.html b/doc/sims/dynamics/RegularPolygon.html
new file mode 100644
index 0000000..764f13c
--- /dev/null
+++ b/doc/sims/dynamics/RegularPolygon.html
@@ -0,0 +1,419 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class RegularPolygon in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  RegularPolygon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/RegularPolygon"><code>sims/dynamics/RegularPolygon.scala</code></a>]
+      </div><hr></hr>
+      <a name="RegularPolygon"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>RegularPolygon</em>(<code>val </code><em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <code>val </code><em>radius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/dynamics/Shape.html" target="_self">Shape</a><code> with </code><a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Ein regelmaessiges Polygon mit <code>n</code> Seiten, dass der Kreis mit radius <code>radius</code> umschreibt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>n - </code>Anzahl der Seiten.</dd><dd><code>radius - </code>Radius des umschreibenden Kreises.</dd><dd><code>density - </code>Dichte.</dd></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalRegularPolygon.html" target="_self">GraphicalRegularPolygon</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#I" target="_self">I</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#volume" target="_self">volume</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Values and Variables inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#uid" target="_self">uid</a>, <a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a>, <a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a>, <a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a>, <a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a>, <a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a>, <a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a>, <a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a>, <a href="../../sims/dynamics/Shape.html#body" target="_self">body</a>, <a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a>
+        </td></tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#halfDiags" target="_self">halfDiags</a></em>
+         : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/RegularPolygon.html#vertices" target="_self">vertices</a></em>
+         : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Ergibt Position aller Ecken dieses Polygons. Die Ecken sind gegen den Uhrzeigersinn folgend.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/geometry/ConvexPolygon.html#sides" target="_self">sides</a>, <a href="../../sims/geometry/ConvexPolygon.html#project%28sims.geometry.Vector2D%29" target="_self">project</a>, <a href="../../sims/geometry/ConvexPolygon.html#AABB" target="_self">AABB</a>, <a href="../../sims/geometry/ConvexPolygon.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a>, <a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a>, <a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="volume"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>volume</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#volume" target="_self">volume</a>
+        </dd>
+      </dl><hr></hr>
+<a name="I"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>I</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Traegheitsmoment zum Schwerpunkt</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>.<a href="../../sims/dynamics/Shape.html#I" target="_self">I</a>
+        </dd>
+      </dl><hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="halfDiags"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>halfDiags</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="vertices"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>vertices</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt Position aller Ecken dieses Polygons. Die Ecken sind gegen den Uhrzeigersinn folgend.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Ortsvektoren der Ecken</dd></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a>.<a href="../../sims/geometry/ConvexPolygon.html#vertices" target="_self">vertices</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Shape$object.html b/doc/sims/dynamics/Shape$object.html
new file mode 100644
index 0000000..a90e5ee
--- /dev/null
+++ b/doc/sims/dynamics/Shape$object.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Shape in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">object  Shape</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Shape"><code>sims/dynamics/Shape.scala</code></a>]
+      </div><hr></hr>
+      <a name="Shape"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Shape</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/Shape.html b/doc/sims/dynamics/Shape.html
new file mode 100644
index 0000000..c62245d
--- /dev/null
+++ b/doc/sims/dynamics/Shape.html
@@ -0,0 +1,559 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Shape in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  Shape</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/Shape"><code>sims/dynamics/Shape.scala</code></a>]
+      </div><hr></hr>
+      <a name="Shape"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>class</code>
+        <em>Shape</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Eine abstrakte Form.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../graphyx/graphics/GraphicalShape.html" target="_self">GraphicalShape</a>, <a href="../../sims/dynamics/Circle.html" target="_self">Circle</a>, <a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>, <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#I" target="_self">I</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#body" target="_self">body</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Beinhaltender Koerper.	Sollte nicht selbst bei Initialisierung definiert werden.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#collidable" target="_self">collidable</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Kollisionsfaehigkeit.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#density" target="_self">density</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Dichte. (Masse pro Flaeche)</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#friction" target="_self">friction</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Teil des Reibungskoeffizienten bei einer Kollision zwischen dieser Form und einer anderen.
+   Der Reibungskoeffizient wird aus dem Produkt der beiden Teile der Formen errechnet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#pos" target="_self">pos</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Position des Schwerpunktes in Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#refLocalPos" target="_self">refLocalPos</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Referenzposition in Koerper. Wird zur Rotation von Formen in Koerpern verwendet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#restitution" target="_self">restitution</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Teil der Stosszahl bei einer Kollision zwischen dieser Form und einer anderen.
+   Die Stosszahl wird aus dem Produkt der beiden Teile der Formen errechnet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#rotation" target="_self">rotation</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Rotation. Entspricht Laenge des Rotationsvektors.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#rotation0" target="_self">rotation0</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Initiale Rotation. (Rotation ohne Koerper)</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#transientShapes" target="_self">transientShapes</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/Set">scala.collection.mutable.Set</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+        
+        <div>Formen mit denen diese Form nicht Kollidiert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#uid" target="_self">uid</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Einzigartige Identifikationsnummer.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#volume" target="_self">volume</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#AABB" target="_self">AABB</a></em>
+         : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+        
+        <div>Gibt das umfassende AABB dieser Form zurueck.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Body%29" target="_self">^</a></em>
+        (<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Erstellt einen Koerper aus dieser Form und den Formen des Koerpers <code>b</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#%5E%28sims.dynamics.Shape%29" target="_self">^</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Erstellt einen Koerper aus dieser Form und der Form <code>s</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#asBody" target="_self">asBody</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Baut einen Koerper aus dieser Form.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ermittelt ob der gebene Punkt <code>point</code> in dieser Form enthalten ist.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#mass" target="_self">mass</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Errechnet die Masse dieser Form. Masse ist gleich Volumen mal Dichte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/Shape.html#project%28sims.geometry.Vector2D%29" target="_self">project</a></em>
+        (<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+        
+        <div>Ergibt die Projektion dieser Form auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code>.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="uid"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>uid</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Einzigartige Identifikationsnummer.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="collidable"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>collidable</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionsfaehigkeit.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="restitution"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>restitution</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Teil der Stosszahl bei einer Kollision zwischen dieser Form und einer anderen.
+   Die Stosszahl wird aus dem Produkt der beiden Teile der Formen errechnet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="friction"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>friction</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Teil des Reibungskoeffizienten bei einer Kollision zwischen dieser Form und einer anderen.
+   Der Reibungskoeffizient wird aus dem Produkt der beiden Teile der Formen errechnet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="pos"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>pos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Position des Schwerpunktes in Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="rotation"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>rotation</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Rotation. Entspricht Laenge des Rotationsvektors.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="rotation0"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>rotation0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Initiale Rotation. (Rotation ohne Koerper)</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="refLocalPos"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>refLocalPos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Referenzposition in Koerper. Wird zur Rotation von Formen in Koerpern verwendet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="density"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>density</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Dichte. (Masse pro Flaeche)</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="volume"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>volume</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Volumen. Entspricht eigentlich der Flaeche dieser Form (in 2D) wird aber zum Errechnen der Masse verwendet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="I"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>I</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet Traegheitsmoment zum Schwerpunkt dieser Form.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Traegheitsmoment zum Schwerpunkt</dd></dl>
+    <hr></hr>
+<a name="body"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Beinhaltender Koerper.	Sollte nicht selbst bei Initialisierung definiert werden.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="transientShapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>transientShapes</em> : <a href="" target="contentFrame" class="scala/collection/mutable/Set">scala.collection.mutable.Set</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Formen mit denen diese Form nicht Kollidiert.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="mass"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>mass</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet die Masse dieser Form. Masse ist gleich Volumen mal Dichte.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Masse der Form</dd></dl>
+    <hr></hr>
+<a name="AABB"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>AABB</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Gibt das umfassende AABB dieser Form zurueck.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>umfassendes AABB</dd></dl>
+    <hr></hr>
+<a name="project%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>project</em>(<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Projektion dieser Form auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code>.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>axis - </code>Richtungsvektor der Geraden</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Projektion dieser Form</dd></dl>
+    <hr></hr>
+<a name="contains%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>contains</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ermittelt ob der gebene Punkt <code>point</code> in dieser Form enthalten ist.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="asBody"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>asBody</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Baut einen Koerper aus dieser Form.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>ein Koerper bestehend aus dieser Form.</dd></dl>
+    <hr></hr>
+<a name="%5E%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>^</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erstellt einen Koerper aus dieser Form und der Form <code>s</code>.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="%5E%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>^</em>(<em>b</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erstellt einen Koerper aus dieser Form und den Formen des Koerpers <code>b</code>.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/World.html b/doc/sims/dynamics/World.html
new file mode 100644
index 0000000..df1948a
--- /dev/null
+++ b/doc/sims/dynamics/World.html
@@ -0,0 +1,692 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class World in sims.dynamics</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
+        <br></br>
+        <span class="entity">class  World</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/World"><code>sims/dynamics/World.scala</code></a>]
+      </div><hr></hr>
+      <a name="World"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>World</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Eine Welt enthaelt und Simuliert ein System aus Koerpern und Verbindungen.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        <div>Alle Koerper die diese Welt simuliert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#detector" target="_self">detector</a></em>
+         : <a href="../../sims/collision/Detector.html" target="_self">Detector</a>
+        
+        <div>Kollisionsdetektor dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#enableCollisionDetection" target="_self">enableCollisionDetection</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Kollisionerkennung.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#enablePositionCorrection" target="_self">enablePositionCorrection</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Positionskorrekturen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#gravity" target="_self">gravity</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Schwerkraft die in dieser Welt herrscht.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#iterations" target="_self">iterations</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Anzahl der Constraint-Korrekturen pro Zeitschritt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>]
+        
+        <div>Alle Verbindungen die diese Welt simuliert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#minAngularVelocity" target="_self">minAngularVelocity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Die minimale, nicht als null geltende Winkelgeschwindigkeit.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#minLinearVelocity" target="_self">minLinearVelocity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Die minimale, nicht als null geltende Geschwindigkeit.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#monitors" target="_self">monitors</a></em>
+         : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[(<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>, (<a href="../../sims/dynamics/Body.html" target="_self">Body</a>) =&gt; <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>)]
+        
+        <div>Ueberwachungsfunktionen fuer Koerper.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#overCWarning" target="_self">overCWarning</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Warnung wenn Koerper schneller als Lichtgeschwindigkeit.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#time" target="_self">time</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Aktuelle Zeit in Sekunden dieser Welt. Nach jedem Zeitschritt wird die Zeit erhoeht.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#timeStep" target="_self">timeStep</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Zeitschritt in dem diese Welt die Simulation vorranschreiten laesst.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#%2B%2B%3D%28Seq%5Bsims.dynamics.Body%5D%29" target="_self">++=</a></em>
+        (<em>bs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#%2B%3D%28sims.dynamics.joints.Joint%29" target="_self">+=</a></em>
+        (<em>joint</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Fuegt dieser Welt eine Verbindung hinzu.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#%2B%3D%28sims.dynamics.Body%29" target="_self">+=</a></em>
+        (<em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Fuegt dieser Welt einen Koerper hinzu.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#%2B%3D%28sims.prefabs.Prefab%29" target="_self">+=</a></em>
+        (<em>p</em> : <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Fuegt dieser Welt ein vorangefertigtes System vaus Koerpern und Verbindungen hinzu.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#--%3D%28Seq%5Bsims.dynamics.Body%5D%29" target="_self">--=</a></em>
+        (<em>bs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#-%3D%28sims.dynamics.joints.Joint%29" target="_self">-=</a></em>
+        (<em>joint</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Entfernt die gegebene Verbindung aus dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#-%3D%28sims.prefabs.Prefab%29" target="_self">-=</a></em>
+        (<em>p</em> : <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Entfernt das gegebene System aus Koerpern und Verbindungen aus dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#-%3D%28sims.dynamics.Body%29" target="_self">-=</a></em>
+        (<em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Entfernt den gegebenen Koerper aus dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#clear%28%29" target="_self">clear</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Entfernt alle Koerper, Verbindungen und Ueberwachungsfunktionen dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#info" target="_self">info</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Ergibt Informationen ueber diese Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#postStep%28%29" target="_self">postStep</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Wird nach jedem Zeitschritt ausgefuehrt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#shapes" target="_self">shapes</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+        
+        <div>Ergibt alle Formen aus allen Koerpern in dieser Welt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/World.html#step%28%29" target="_self">step</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Simuliert einen von <code>timeStep</code> angegebenen Zeitschritt.
+   Ihre Aufgabe ist es die Koerper dieser Welt so zu simulieren wie diese sich in einer Welt mit den gegebenen
+   Bedingungen verhalten wuerden.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="timeStep"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>timeStep</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zeitschritt in dem diese Welt die Simulation vorranschreiten laesst.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="iterations"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>iterations</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Anzahl der Constraint-Korrekturen pro Zeitschritt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="gravity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>gravity</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Schwerkraft die in dieser Welt herrscht.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="bodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Alle Koerper die diese Welt simuliert.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[<a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Alle Verbindungen die diese Welt simuliert.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="monitors"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>monitors</em> : <a href="" target="contentFrame" class="scala/collection/mutable/ArrayBuffer">scala.collection.mutable.ArrayBuffer</a>[(<a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>, (<a href="../../sims/dynamics/Body.html" target="_self">Body</a>) =&gt; <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>)]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberwachungsfunktionen fuer Koerper.
+   <p>
+   Das erste Element des Tuples ist die Ueberschrift und das zweite Element, der Wert.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="detector"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>detector</em> : <a href="../../sims/collision/Detector.html" target="_self">Detector</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionsdetektor dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="overCWarning"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>overCWarning</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Warnung wenn Koerper schneller als Lichtgeschwindigkeit.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="enableCollisionDetection"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>enableCollisionDetection</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kollisionerkennung.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="enablePositionCorrection"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>enablePositionCorrection</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Positionskorrekturen.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="minLinearVelocity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>minLinearVelocity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Die minimale, nicht als null geltende Geschwindigkeit.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="minAngularVelocity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>minAngularVelocity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Die minimale, nicht als null geltende Winkelgeschwindigkeit.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="time"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>time</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Aktuelle Zeit in Sekunden dieser Welt. Nach jedem Zeitschritt wird die Zeit erhoeht.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="shapes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>shapes</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt alle Formen aus allen Koerpern in dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="%2B%3D%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>+=</em>(<em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Fuegt dieser Welt einen Koerper hinzu.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="%2B%3D%28sims.dynamics.joints.Joint%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>+=</em>(<em>joint</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Fuegt dieser Welt eine Verbindung hinzu.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="%2B%3D%28sims.prefabs.Prefab%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>+=</em>(<em>p</em> : <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Fuegt dieser Welt ein vorangefertigtes System vaus Koerpern und Verbindungen hinzu.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="%2B%2B%3D%28Seq%5Bsims.dynamics.Body%5D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>++=</em>(<em>bs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="-%3D%28sims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>-=</em>(<em>body</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Entfernt den gegebenen Koerper aus dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="-%3D%28sims.dynamics.joints.Joint%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>-=</em>(<em>joint</em> : <a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Entfernt die gegebene Verbindung aus dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="-%3D%28sims.prefabs.Prefab%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>-=</em>(<em>p</em> : <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Entfernt das gegebene System aus Koerpern und Verbindungen aus dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="--%3D%28Seq%5Bsims.dynamics.Body%5D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>--=</em>(<em>bs</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="clear%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>clear</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Entfernt alle Koerper, Verbindungen und Ueberwachungsfunktionen dieser Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="step%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>step</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Simuliert einen von <code>timeStep</code> angegebenen Zeitschritt.
+   Ihre Aufgabe ist es die Koerper dieser Welt so zu simulieren wie diese sich in einer Welt mit den gegebenen
+   Bedingungen verhalten wuerden.
+   <p>
+   Der Zeitschritt wird in folgenden Phasen ausgefuehrt:
+   <ol>
+   <li>Kraefte wirken auf die Koerper (z.B Schwerkraft, andere Kraftfaehige Objekte).</li>
+   <li>Beschleunigungen werden integriert.</li>
+   <li>Geschwindigkeiten werden korrigiert.</li>
+   <li>Geschwindigkeiten werden integriert.</li>
+   <li>Positionen werden korrigiert.</li>
+   <li>Die Methode <code>postStep()</code> wird ausgefuehrt.</li>
+   </ol></dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="postStep%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>postStep</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Wird nach jedem Zeitschritt ausgefuehrt.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="info"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>info</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt Informationen ueber diese Welt.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints$content.html b/doc/sims/dynamics/joints$content.html
new file mode 100644
index 0000000..4652a21
--- /dev/null
+++ b/doc/sims/dynamics/joints$content.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a></em>
+        (<code>val </code><em>node1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>node2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>DistanceJoints halten die Bindungspunkte auf ihren Bindungskoerpern bei einem konstanten Abstand.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/ForceJoint.html" target="_self">ForceJoint</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Eine Verbindung die Kraft auf ihre Bindungskoerper ausueben kann.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a></em>
+        <code> extends </code><a href="../../sims/dynamics/Constraint.html" target="_self">Constraint</a><code> with </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Joints sind Verbindungen die die Bewegung zwischen zwei Koerpern einschraenken.
+ Ihre Implementierung wurde von Erin Catto's box2d inspiriert.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a></em>
+        (<code>val </code><em>node1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>node2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Ein Gelenk, dass zwei Koerper an einem Punkt verbindet. Inspiriert von JBox2D.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a></em>
+        (<code>val </code><em>node1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>node2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>initialLength</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="../../sims/dynamics/joints/ForceJoint.html" target="_self">ForceJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Eine Hooksche Feder.</div>
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/DistanceJoint$object.html" target="_self">DistanceJoint</a></em>
+        <code> extends </code>(<a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/RevoluteJoint$object.html" target="_self">RevoluteJoint</a></em>
+        <code> extends </code>(<a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/dynamics/joints/SpringJoint$object.html" target="_self">SpringJoint</a></em>
+        <code> extends </code>(<a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints$package.html b/doc/sims/dynamics/joints$package.html
new file mode 100644
index 0000000..dde0590
--- /dev/null
+++ b/doc/sims/dynamics/joints$package.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../../sims/dynamics/joints$content.html" target="contentFrame">sims.dynamics.joints</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_D"><a href="../../sims/dynamics/joints/DistanceJoint.html" target="contentFrame">DistanceJoint</a></li>
+<li id="Classes_F"><a href="../../sims/dynamics/joints/ForceJoint.html" target="contentFrame">ForceJoint</a></li>
+<li id="Classes_J"><a href="../../sims/dynamics/joints/Joint.html" target="contentFrame">Joint</a></li>
+<li id="Classes_R"><a href="../../sims/dynamics/joints/RevoluteJoint.html" target="contentFrame">RevoluteJoint</a></li>
+<li id="Classes_S"><a href="../../sims/dynamics/joints/SpringJoint.html" target="contentFrame">SpringJoint</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_D"><a href="../../sims/dynamics/joints/DistanceJoint$object.html" target="contentFrame">DistanceJoint</a></li>
+<li id="Objects_R"><a href="../../sims/dynamics/joints/RevoluteJoint$object.html" target="contentFrame">RevoluteJoint</a></li>
+<li id="Objects_S"><a href="../../sims/dynamics/joints/SpringJoint$object.html" target="contentFrame">SpringJoint</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/DistanceJoint$object.html b/doc/sims/dynamics/joints/DistanceJoint$object.html
new file mode 100644
index 0000000..e4121b3
--- /dev/null
+++ b/doc/sims/dynamics/joints/DistanceJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object DistanceJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">object  DistanceJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/DistanceJoint"><code>sims/dynamics/joints/DistanceJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="DistanceJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>DistanceJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function4">scala.Function4</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function4">scala.Function4.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function4">scala.Function4.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/DistanceJoint.html b/doc/sims/dynamics/joints/DistanceJoint.html
new file mode 100644
index 0000000..80a0f2d
--- /dev/null
+++ b/doc/sims/dynamics/joints/DistanceJoint.html
@@ -0,0 +1,481 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class DistanceJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">class  DistanceJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/DistanceJoint"><code>sims/dynamics/joints/DistanceJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="DistanceJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>DistanceJoint</em>(<code>val </code><em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>DistanceJoints halten die Bindungspunkte auf ihren Bindungskoerpern bei einem konstanten Abstand.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>node1 - </code>erster Koerper der Verbindung</dd><dd><code>anchor1 - </code>Bindungspunkt auf Koerper eins</dd><dd><code>node2 - </code>zweiter Koerper der Verbindung</dd><dd><code>anchor2 - </code>Bindungspunkt auf Koerper zwei</dd></dl>
+    
+      <table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Additional Constructor Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#this%28sims.dynamics.Body%2Csims.dynamics.Body%29" target="_self">this</a></em>
+        (<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#distance" target="_self">distance</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Abstand der beiden Bindungspunkte bei initialisierung (der gewollte Abstand).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ergibt den Bindungspunkt auf Koerper eins.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#connection2" target="_self">connection2</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ergibt den Bindungspunkt auf Koerper zwei.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#v" target="_self">v</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Relative Geschwindigkeit der Bindungspunkte.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/DistanceJoint.html#x" target="_self">x</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Relative Position der Bindungspunkte.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      <table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Additional Constructor Details</td></tr>
+        </table><div><a name="this%28sims.dynamics.Body%2Csims.dynamics.Body%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>) : <a href="../../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="distance"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>distance</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Abstand der beiden Bindungspunkte bei initialisierung (der gewollte Abstand).</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt den Bindungspunkt auf Koerper eins.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="connection2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt den Bindungspunkt auf Koerper zwei.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="x"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>x</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Relative Position der Bindungspunkte.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="v"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>v</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Relative Geschwindigkeit der Bindungspunkte.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/ForceJoint.html b/doc/sims/dynamics/joints/ForceJoint.html
new file mode 100644
index 0000000..bf8ac9f
--- /dev/null
+++ b/doc/sims/dynamics/joints/ForceJoint.html
@@ -0,0 +1,107 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait ForceJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">trait  ForceJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/ForceJoint"><code>sims/dynamics/joints/ForceJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="ForceJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>ForceJoint</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Eine Verbindung die Kraft auf ihre Bindungskoerper ausueben kann.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a></dd>
+      </dl><hr></hr>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/ForceJoint.html#applyForce%28%29" target="_self">applyForce</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Uebt eine Kraft auf die Bindungskoerper aus.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="applyForce%28%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>applyForce</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Uebt eine Kraft auf die Bindungskoerper aus.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/Joint.html b/doc/sims/dynamics/joints/Joint.html
new file mode 100644
index 0000000..a577cde
--- /dev/null
+++ b/doc/sims/dynamics/joints/Joint.html
@@ -0,0 +1,194 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Joint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">class  Joint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/Joint"><code>sims/dynamics/joints/Joint.scala</code></a>]
+      </div><hr></hr>
+      <a name="Joint"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>class</code>
+        <em>Joint</em>
+      </dt>
+      <dd><code> extends </code><a href="../../../sims/dynamics/Constraint.html" target="_self">Constraint</a><code> with </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Joints sind Verbindungen die die Bewegung zwischen zwei Koerpern einschraenken.
+ Ihre Implementierung wurde von Erin Catto's box2d inspiriert.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>, <a href="../../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>, <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/Joint.html#node1" target="_self">node1</a></em>
+         : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Erster Koerper der Verbindung.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/Joint.html#node2" target="_self">node2</a></em>
+         : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        <div>Zweiter Koerper der Verbindung.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/Joint.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/Joint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="node1"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Erster Koerper der Verbindung.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="node2"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>val</code>
+        <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Zweiter Koerper der Verbindung.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/Constraint.html" target="_self">Constraint</a>.<a href="../../../sims/dynamics/Constraint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/Constraint.html" target="_self">Constraint</a>.<a href="../../../sims/dynamics/Constraint.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/RevoluteJoint$object.html b/doc/sims/dynamics/joints/RevoluteJoint$object.html
new file mode 100644
index 0000000..c8a5d71
--- /dev/null
+++ b/doc/sims/dynamics/joints/RevoluteJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object RevoluteJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">object  RevoluteJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/RevoluteJoint"><code>sims/dynamics/joints/RevoluteJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="RevoluteJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>RevoluteJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function3">scala.Function3</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function3">scala.Function3.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function3">scala.Function3.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/RevoluteJoint.html b/doc/sims/dynamics/joints/RevoluteJoint.html
new file mode 100644
index 0000000..b3059de
--- /dev/null
+++ b/doc/sims/dynamics/joints/RevoluteJoint.html
@@ -0,0 +1,419 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class RevoluteJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">class  RevoluteJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/RevoluteJoint"><code>sims/dynamics/joints/RevoluteJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="RevoluteJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>RevoluteJoint</em>(<code>val </code><em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Ein Gelenk, dass zwei Koerper an einem Punkt verbindet. Inspiriert von JBox2D.</dd></dl>
+      <dl></dl>
+    
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#connection2" target="_self">connection2</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#v" target="_self">v</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/RevoluteJoint.html#x" target="_self">x</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="connection2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="x"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>x</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="v"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>v</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/SpringJoint$object.html b/doc/sims/dynamics/joints/SpringJoint$object.html
new file mode 100644
index 0000000..7730d19
--- /dev/null
+++ b/doc/sims/dynamics/joints/SpringJoint$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object SpringJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">object  SpringJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/SpringJoint"><code>sims/dynamics/joints/SpringJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="SpringJoint"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>SpringJoint</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function6">scala.Function6</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function6">scala.Function6.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function6">scala.Function6.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/dynamics/joints/SpringJoint.html b/doc/sims/dynamics/joints/SpringJoint.html
new file mode 100644
index 0000000..ba601bb
--- /dev/null
+++ b/doc/sims/dynamics/joints/SpringJoint.html
@@ -0,0 +1,551 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class SpringJoint in sims.dynamics.joints</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../../sims/dynamics/joints$package.html" target="_self">sims.dynamics.joints</a>
+        <br></br>
+        <span class="entity">class  SpringJoint</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/dynamics/joints/SpringJoint"><code>sims/dynamics/joints/SpringJoint.scala</code></a>]
+      </div><hr></hr>
+      <a name="SpringJoint"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>SpringJoint</em>(<code>val </code><em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <code>val </code><em>anchor2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>initialLength</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a><code> with </code><a href="../../../sims/dynamics/joints/ForceJoint.html" target="_self">ForceJoint</a><code> with </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Eine Hooksche Feder.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>node1 - </code>erster Koerper der Verbindung</dd><dd><code>anchor1 - </code>Bindungspunkt auf Koerper eins</dd><dd><code>node2 - </code>zweiter Koerper der Verbindung</dd><dd><code>anchor2 - </code>Bindungspunkt auf Koerper zwei</dd><dd><code>springConstant - </code>Federkonstante</dd><dd><code>initialLength - </code>Initiallaenge</dd></dl>
+    
+      <table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Additional Constructor Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#this%28sims.dynamics.Body%2Csims.dynamics.Body%2CDouble%29" target="_self">this</a></em>
+        (<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#this%28sims.dynamics.Body%2Csims.dynamics.Body%2CDouble%2CDouble%29" target="_self">this</a></em>
+        (<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <em>initialLength</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#this%28sims.dynamics.Body%2Csims.geometry.Vector2D%2Csims.dynamics.Body%2Csims.geometry.Vector2D%2CDouble%29" target="_self">this</a></em>
+        (<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>anchor1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>anchor2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> var</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#damping" target="_self">damping</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Daempfung.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#applyForce%28%29" target="_self">applyForce</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Uebt die Federkraft auf die Bindungspunkte aus.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#connection1" target="_self">connection1</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ergibt den Bindungspunkt auf Koerper eins.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#connection2" target="_self">connection2</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ergibt den Bindungspunkt auf Koerper zwei.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#correctPosition%28Double%29" target="_self">correctPosition</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a></em>
+        (<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        <div>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#force" target="_self">force</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt die Federkraft nach dem Hookschen Gesetz.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../../sims/dynamics/joints/SpringJoint.html#x" target="_self">x</a></em>
+         : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Relative Position der Bindungspunkte.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      <table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Additional Constructor Details</td></tr>
+        </table><div><a name="this%28sims.dynamics.Body%2Csims.geometry.Vector2D%2Csims.dynamics.Body%2Csims.geometry.Vector2D%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>anchor1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>anchor2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="this%28sims.dynamics.Body%2Csims.dynamics.Body%2CDouble%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <em>initialLength</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="this%28sims.dynamics.Body%2Csims.dynamics.Body%2CDouble%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>node1</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>node2</em> : <a href="../../../sims/dynamics/Body.html" target="_self">Body</a>, <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../../sims/dynamics/joints/SpringJoint.html" target="_self">SpringJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="damping"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>var</code>
+        <em>damping</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Daempfung.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="connection1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection1</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt den Bindungspunkt auf Koerper eins.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="connection2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>connection2</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt den Bindungspunkt auf Koerper zwei.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="x"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>x</em> : <a href="../../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Relative Position der Bindungspunkte.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="force"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>force</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Federkraft nach dem Hookschen Gesetz.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="applyForce%28%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>applyForce</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Uebt die Federkraft auf die Bindungspunkte aus.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/ForceJoint.html" target="_self">ForceJoint</a>.<a href="../../../sims/dynamics/joints/ForceJoint.html#applyForce%28%29" target="_self">applyForce</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctPosition%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctPosition</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Position der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctPosition%28Double%29" target="_self">correctPosition</a>
+        </dd>
+      </dl><hr></hr>
+<a name="correctVelocity%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>correctVelocity</em>(<em>h</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Korrigiert die Geschwindigkeit der Koerper damit diese den Randbedingungen der Verbindung entsprechen.</dd></dl>
+      <dl></dl>
+    <dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>.<a href="../../../sims/dynamics/joints/Joint.html#correctVelocity%28Double%29" target="_self">correctVelocity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry$content.html b/doc/sims/geometry$content.html
new file mode 100644
index 0000000..e3cf2bb
--- /dev/null
+++ b/doc/sims/geometry$content.html
@@ -0,0 +1,111 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/ConvexPolygon.html" target="_self">ConvexPolygon</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Gemeinsame Eigenschaften aller konvexen Polygone.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Projection.html" target="_self">Projection</a></em>
+        (<code>val </code><em>axis</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>lower</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>upper</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Projektion auf eine Achse.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Ray.html" target="_self">Ray</a></em>
+        (<code>val </code><em>point</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>direction</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Eine Halbgerade wird definiert durch:</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Segment.html" target="_self">Segment</a></em>
+        (<code>val </code><em>vertex1</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>vertex2</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Ein Segment wird durch seine beiden Extrempunkte gegeben.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a></em>
+        (<code>val </code><em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Ein 2-dimensionaler Vektor.</div>
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Projection$object.html" target="_self">Projection</a></em>
+        <code> extends </code>(<a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/geometry/Projection.html" target="_self">Projection</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Ray$object.html" target="_self">Ray</a></em>
+        <code> extends </code>(<a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../sims/geometry/Ray.html" target="_self">Ray</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Segment$object.html" target="_self">Segment</a></em>
+        <code> extends </code>(<a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../sims/geometry/Segment.html" target="_self">Segment</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/geometry/Vector2D$object.html" target="_self">Vector2D</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Dieses Objekt enthaelt spezielle Vektoren.</div>
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry$package.html b/doc/sims/geometry$package.html
new file mode 100644
index 0000000..c3a4d63
--- /dev/null
+++ b/doc/sims/geometry$package.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/geometry$content.html" target="contentFrame">sims.geometry</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_C"><a href="../sims/geometry/ConvexPolygon.html" target="contentFrame">ConvexPolygon</a></li>
+<li id="Classes_P"><a href="../sims/geometry/Projection.html" target="contentFrame">Projection</a></li>
+<li id="Classes_R"><a href="../sims/geometry/Ray.html" target="contentFrame">Ray</a></li>
+<li id="Classes_S"><a href="../sims/geometry/Segment.html" target="contentFrame">Segment</a></li>
+<li id="Classes_V"><a href="../sims/geometry/Vector2D.html" target="contentFrame">Vector2D</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_P"><a href="../sims/geometry/Projection$object.html" target="contentFrame">Projection</a></li>
+<li id="Objects_R"><a href="../sims/geometry/Ray$object.html" target="contentFrame">Ray</a></li>
+<li id="Objects_S"><a href="../sims/geometry/Segment$object.html" target="contentFrame">Segment</a></li>
+<li id="Objects_V"><a href="../sims/geometry/Vector2D$object.html" target="contentFrame">Vector2D</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/ConvexPolygon.html b/doc/sims/geometry/ConvexPolygon.html
new file mode 100644
index 0000000..0545761
--- /dev/null
+++ b/doc/sims/geometry/ConvexPolygon.html
@@ -0,0 +1,215 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait ConvexPolygon in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">trait  ConvexPolygon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/ConvexPolygon"><code>sims/geometry/ConvexPolygon.scala</code></a>]
+      </div><hr></hr>
+      <a name="ConvexPolygon"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>ConvexPolygon</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Gemeinsame Eigenschaften aller konvexen Polygone.</dd></dl>
+      <dl></dl>
+    <dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../sims/dynamics/Rectangle.html" target="_self">Rectangle</a>, <a href="../../sims/dynamics/RegularPolygon.html" target="_self">RegularPolygon</a></dd>
+      </dl><hr></hr>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/ConvexPolygon.html#AABB" target="_self">AABB</a></em>
+         : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+        
+        <div>Errechnet das AABB dieses Polygons</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/ConvexPolygon.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob sich der gegebene Punkt <code>point</code> in diesem Polygon befindet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/ConvexPolygon.html#project%28sims.geometry.Vector2D%29" target="_self">project</a></em>
+        (<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+        
+        <div>Ergibt die Projektion dieses Polygons auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code></div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/ConvexPolygon.html#sides" target="_self">sides</a></em>
+         : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Segment.html" target="_self">Segment</a>]
+        
+        <div>Ergibt alle Seiten dieses Polygons.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>abstract def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/ConvexPolygon.html#vertices" target="_self">vertices</a></em>
+         : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        <div>Ergibt Position aller Ecken dieses Polygons. Die Ecken sind gegen den Uhrzeigersinn folgend.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="vertices"></a><dl>
+      <dt>
+        
+        <code>abstract</code>
+        <code>def</code>
+        <em>vertices</em> : <a href="" target="contentFrame" class="scala/Seq">scala.Seq</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt Position aller Ecken dieses Polygons. Die Ecken sind gegen den Uhrzeigersinn folgend.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Ortsvektoren der Ecken</dd></dl>
+    <hr></hr>
+<a name="sides"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>sides</em> : <a href="" target="contentFrame" class="scala/Array">scala.Array</a>[<a href="../../sims/geometry/Segment.html" target="_self">Segment</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt alle Seiten dieses Polygons.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Seiten dieses Polygons</dd></dl>
+    <hr></hr>
+<a name="project%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>project</em>(<em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Projektion dieses Polygons auf eine Gerade gegeben durch den
+   Richtungsvektor <code>axis</code></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>axis - </code>Richtungsvektor der Geraden</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Projektion dieses Polygons</dd></dl>
+    <hr></hr>
+<a name="AABB"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>AABB</em> : <a href="../../sims/collision/AABB.html" target="_self">AABB</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet das AABB dieses Polygons</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>umfassendes AABB</dd><dt style="margin:10px 0 0 20px;">
+        <b>See Also</b></dt><dd>collision.AABB</dd></dl>
+    <hr></hr>
+<a name="contains%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>contains</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob sich der gegebene Punkt <code>point</code> in diesem Polygon befindet.
+   <p>
+   Hierzu wird eine Halbgerade von dem Punkt in Richtung der X-Achse gezogen (koennte aber auch beliebig sein).
+   Dann wird die Anzahl der Ueberschneidungen der Halbgeraden mit den Seiten und Ecken des Polygons ermittelt.
+   Ist die Anzahl der Ueberschneidungen ungerade, so befindet sich der Punkt in dem Polygon.
+   Es gibt jedoch Ausnahmen, und zwar wenn die Halbgerade eine Ecke ueberschneidet, ueberschneidet sie sowohl auch zwei Seiten.
+   Daher wird eine generelle Anzahl von Uerberschneidungen errechnet, gegeben durch die Anzahl der Ueberschneidungen mit den Seiten minus
+   die mit den Ecken.
+   Diese Zahl wird dann wie oben geschildert geprueft.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Projection$object.html b/doc/sims/geometry/Projection$object.html
new file mode 100644
index 0000000..4b01917
--- /dev/null
+++ b/doc/sims/geometry/Projection$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Projection in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">object  Projection</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Projection"><code>sims/geometry/Projection.scala</code></a>]
+      </div><hr></hr>
+      <a name="Projection"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Projection</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/geometry/Projection.html" target="_self">Projection</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function3">scala.Function3</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function3">scala.Function3.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function3">scala.Function3.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Projection.html b/doc/sims/geometry/Projection.html
new file mode 100644
index 0000000..3599777
--- /dev/null
+++ b/doc/sims/geometry/Projection.html
@@ -0,0 +1,328 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Projection in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">class  Projection</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Projection"><code>sims/geometry/Projection.scala</code></a>]
+      </div><hr></hr>
+      <a name="Projection"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Projection</em>(<code>val </code><em>axis</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>lower</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>upper</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Projektion auf eine Achse.
+ <p>
+ Ueblicherweise werden Projektionen in SiMS fuer Kollisionserkennung benutzt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>axis - </code>Achse der Projektion</dd><dd><code>lower - </code>unterer Wert der Projektion</dd><dd><code>upper - </code>oberer Wert der Projektion</dd></dl>
+    
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#overlap%28sims.geometry.Projection%29" target="_self">overlap</a></em>
+        (<em>other</em> : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt die Ueberlappung dieser Projektion und der Projektion <code>other</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#overlaps%28sims.geometry.Projection%29" target="_self">overlaps</a></em>
+        (<em>other</em> : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob sich diese Projektion mit der Projektion <code>other</code> ueberschneidet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Projection.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="overlaps%28sims.geometry.Projection%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>overlaps</em>(<em>other</em> : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob sich diese Projektion mit der Projektion <code>other</code> ueberschneidet.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="overlap%28sims.geometry.Projection%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>overlap</em>(<em>other</em> : <a href="../../sims/geometry/Projection.html" target="_self">Projection</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Ueberlappung dieser Projektion und der Projektion <code>other</code>.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Ray$object.html b/doc/sims/geometry/Ray$object.html
new file mode 100644
index 0000000..199fc55
--- /dev/null
+++ b/doc/sims/geometry/Ray$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Ray in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">object  Ray</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Ray"><code>sims/geometry/Ray.scala</code></a>]
+      </div><hr></hr>
+      <a name="Ray"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Ray</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../sims/geometry/Ray.html" target="_self">Ray</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Ray.html b/doc/sims/geometry/Ray.html
new file mode 100644
index 0000000..558153d
--- /dev/null
+++ b/doc/sims/geometry/Ray.html
@@ -0,0 +1,334 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Ray in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">class  Ray</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Ray"><code>sims/geometry/Ray.scala</code></a>]
+      </div><hr></hr>
+      <a name="Ray"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Ray</em>(<code>val </code><em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>direction</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Eine Halbgerade wird definiert durch:</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>point - </code>ein Aufpunkt</dd><dd><code>direction - </code>ein Richtungsvektor</dd></dl>
+    
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#contains%28sims.geometry.Vector2D%29" target="_self">contains</a></em>
+        (<em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob diese Halbgerade den gegebenen Punkt enthaelt.
+   <br>
+   Hierzu wird der Vektor von dem Ursprungspunkt zu dem zu ueberpruefenden Punkt gebildet. Dieser wird dann mit dem Richtungsvektor
+   auf Kolinearitaet geprueft.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#intersects%28sims.geometry.Segment%29" target="_self">intersects</a></em>
+        (<em>s</em> : <a href="../../sims/geometry/Segment.html" target="_self">Segment</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft ob diese Halbgerade das gegebene Segment ueberschneidet.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Ray.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="intersects%28sims.geometry.Segment%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>intersects</em>(<em>s</em> : <a href="../../sims/geometry/Segment.html" target="_self">Segment</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob diese Halbgerade das gegebene Segment ueberschneidet.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>das - </code>auf Ueberschneidung zu uerberpruefende Segment</dd></dl>
+    <hr></hr>
+<a name="contains%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>contains</em>(<em>p</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft ob diese Halbgerade den gegebenen Punkt enthaelt.
+   <br>
+   Hierzu wird der Vektor von dem Ursprungspunkt zu dem zu ueberpruefenden Punkt gebildet. Dieser wird dann mit dem Richtungsvektor
+   auf Kolinearitaet geprueft.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>p - </code>Ortsvektor des oben genannten Punkt</dd></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Segment$object.html b/doc/sims/geometry/Segment$object.html
new file mode 100644
index 0000000..fae9e31
--- /dev/null
+++ b/doc/sims/geometry/Segment$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Segment in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">object  Segment</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Segment"><code>sims/geometry/Segment.scala</code></a>]
+      </div><hr></hr>
+      <a name="Segment"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Segment</em>
+      </dt>
+      <dd><code> extends </code>(<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) =&gt; <a href="../../sims/geometry/Segment.html" target="_self">Segment</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Segment.html b/doc/sims/geometry/Segment.html
new file mode 100644
index 0000000..2cc0453
--- /dev/null
+++ b/doc/sims/geometry/Segment.html
@@ -0,0 +1,441 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Segment in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">class  Segment</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Segment"><code>sims/geometry/Segment.scala</code></a>]
+      </div><hr></hr>
+      <a name="Segment"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Segment</em>(<code>val </code><em>vertex1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <code>val </code><em>vertex2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Ein Segment wird durch seine beiden Extrempunkte gegeben.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>vertex1 - </code>Ortsvektor des 1. Extrempunkts</dd><dd><code>vertex2 - </code>Ortsvektor des 2. Extrempunkts</dd></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#d" target="_self">d</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Vektor von EP1 zu EP2.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#d0" target="_self">d0</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Einheitsrichtungsvektor.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#length" target="_self">length</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Laenge dieses Segments.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#n" target="_self">n</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normalenvektor. Richtung: 90 Grad rechts zu d.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#n0" target="_self">n0</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Normaleneinheitsvektor. Richtung: 90 Grad rechts zu d.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#clipToSegment%28sims.geometry.Segment%29" target="_self">clipToSegment</a></em>
+        (<em>s</em> : <a href="../../sims/geometry/Segment.html" target="_self">Segment</a>) : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#distance%28sims.geometry.Vector2D%29" target="_self">distance</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Kleinster Abstand zwischen diesem Segment und dem Punkt <code>p</code>.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Segment.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="length"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>length</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Laenge dieses Segments.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="d"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>d</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Vektor von EP1 zu EP2.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="d0"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>d0</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Einheitsrichtungsvektor.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="n"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>n</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normalenvektor. Richtung: 90 Grad rechts zu d.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="n0"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>n0</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Normaleneinheitsvektor. Richtung: 90 Grad rechts zu d.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="distance%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>distance</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kleinster Abstand zwischen diesem Segment und dem Punkt <code>p</code>.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="clipToSegment%28sims.geometry.Segment%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>clipToSegment</em>(<em>s</em> : <a href="../../sims/geometry/Segment.html" target="_self">Segment</a>) : <a href="" target="contentFrame" class="scala/Option">scala.Option</a>[<a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Vector2D$object.html b/doc/sims/geometry/Vector2D$object.html
new file mode 100644
index 0000000..188f206
--- /dev/null
+++ b/doc/sims/geometry/Vector2D$object.html
@@ -0,0 +1,150 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Vector2D in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">object  Vector2D</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Vector2D"><code>sims/geometry/Vector2D.scala</code></a>]
+      </div><hr></hr>
+      <a name="Vector2D"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Vector2D</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Dieses Objekt enthaelt spezielle Vektoren.</dd></dl>
+      <dl></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D$object.html#Null" target="_self">Null</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Nullvektor.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D$object.html#i" target="_self">i</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ein horizontaler Einheitsvektor mit den Komponenten (1;0).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D$object.html#j" target="_self">j</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ein vertikaler Einheitsvektor mit den Komponenten (0;1).</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="Null"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>Null</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Nullvektor.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="i"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>i</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ein horizontaler Einheitsvektor mit den Komponenten (1;0).</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="j"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>j</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ein vertikaler Einheitsvektor mit den Komponenten (0;1).</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/geometry/Vector2D.html b/doc/sims/geometry/Vector2D.html
new file mode 100644
index 0000000..5e541fb
--- /dev/null
+++ b/doc/sims/geometry/Vector2D.html
@@ -0,0 +1,644 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Vector2D in sims.geometry</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/geometry$package.html" target="_self">sims.geometry</a>
+        <br></br>
+        <span class="entity">class  Vector2D</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/geometry/Vector2D"><code>sims/geometry/Vector2D.scala</code></a>]
+      </div><hr></hr>
+      <a name="Vector2D"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Vector2D</em>(<code>val </code><em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Ein 2-dimensionaler Vektor.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>x - </code>1. Komponente</dd><dd><code>y - </code>2. Komponente</dd></dl>
+    
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#length" target="_self">length</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Norm dieses Vektors.</div>
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#*%28Double%29" target="_self">*</a></em>
+        (<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Multiplikation mit einem Skalar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#%2B%28sims.geometry.Vector2D%29" target="_self">+</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Vektoraddition.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#-%28sims.geometry.Vector2D%29" target="_self">-</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Vektorsubstraktion.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#%2F%28Double%29" target="_self">/</a></em>
+        (<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Division durch ein Skalar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#components" target="_self">components</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>]
+        
+        <div>Ergibt eine Liste der Komponenten dieses Vektors.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#cross%28sims.geometry.Vector2D%29" target="_self">cross</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Kreuzprodukt. (Norm des Kreuzproduktes)</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#dot%28sims.geometry.Vector2D%29" target="_self">dot</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Skalarprodukt.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#isNull" target="_self">isNull</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>Ueberprueft, ob die Komponenten dieses Vektors gleich Null sind.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#leftNormal" target="_self">leftNormal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Linker Normalenvektor. (-y, x)</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#project%28sims.geometry.Vector2D%29" target="_self">project</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Errechnet die Projektion dieses- auf einen anderen Vektor.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#rightNormal" target="_self">rightNormal</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Rechter Normalenvektor. (y, -x)</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#rotate%28Double%29" target="_self">rotate</a></em>
+        (<em>angle</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Errechnet eine Rotation dieses Vektors.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#unary_-" target="_self">unary_-</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Minusvorzeichen.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/geometry/Vector2D.html#unit" target="_self">unit</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Einheitsvektor dieses Vektors.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="length"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>length</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Norm dieses Vektors.</dd></dl>
+      <dl></dl>
+    <hr></hr></div>
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="%2B%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>+</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Vektoraddition.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>zu addierender Vektor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>dieser Vektor addiert mit <code>v</code></dd></dl>
+    <hr></hr>
+<a name="-%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>-</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Vektorsubstraktion.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>zu substrahierender Vektor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>dieser Vektor substrahiert mit <code>v</code></dd></dl>
+    <hr></hr>
+<a name="*%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>*</em>(<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Multiplikation mit einem Skalar.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>n - </code>Faktor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>dieser Vektor multipliziert mit <code>n</code></dd></dl>
+    <hr></hr>
+<a name="%2F%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>/</em>(<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Division durch ein Skalar.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>n - </code>Nenner</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>dieser Vektor dividiert durch <code>n</code></dd></dl>
+    <hr></hr>
+<a name="unary_-"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>unary_-</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Minusvorzeichen.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="dot%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>dot</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Skalarprodukt.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>ein anderer Vektor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Skalarprodukt von diesem Vektor mit <code>v</code></dd></dl>
+    <hr></hr>
+<a name="cross%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>cross</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Kreuzprodukt. (Norm des Kreuzproduktes)</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>ein anderer Vektor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Norm des Kreuzproduktes dieses Vektors mit <code>v</code>. Die Richtung wuerde der x3-Achse entsprechen.</dd></dl>
+    <hr></hr>
+<a name="unit"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>unit</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Einheitsvektor dieses Vektors.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="project%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>project</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet die Projektion dieses- auf einen anderen Vektor.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>v - </code>oben gennanter Vektor</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Projektion dieses Vektors auf <code>v</code></dd></dl>
+    <hr></hr>
+<a name="rotate%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>rotate</em>(<em>angle</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Errechnet eine Rotation dieses Vektors.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>angle - </code>Winkel in Radian</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>der um <code>angle</code> rad rotierte Vektor</dd></dl>
+    <hr></hr>
+<a name="leftNormal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>leftNormal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Linker Normalenvektor. (-y, x)</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="rightNormal"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>rightNormal</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Rechter Normalenvektor. (y, -x)</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="isNull"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>isNull</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ueberprueft, ob die Komponenten dieses Vektors gleich Null sind.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="components"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>components</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>]
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt eine Liste der Komponenten dieses Vektors.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/math$content.html b/doc/sims/math$content.html
new file mode 100644
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--- /dev/null
+++ b/doc/sims/math$content.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.math</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/math/Matrix22.html" target="_self">Matrix22</a></em>
+        (<code>val </code><em>c11</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c12</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c21</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c22</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Eine 2x2, quadratische Matrix.</div>
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/math/Matrix22$object.html" target="_self">Matrix22</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/math$package.html b/doc/sims/math$package.html
new file mode 100644
index 0000000..ac34016
--- /dev/null
+++ b/doc/sims/math$package.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.math</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/math$content.html" target="contentFrame">sims.math</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_M"><a href="../sims/math/Matrix22.html" target="contentFrame">Matrix22</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_M"><a href="../sims/math/Matrix22$object.html" target="contentFrame">Matrix22</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/math/Matrix22$object.html b/doc/sims/math/Matrix22$object.html
new file mode 100644
index 0000000..9411340
--- /dev/null
+++ b/doc/sims/math/Matrix22$object.html
@@ -0,0 +1,98 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Matrix22 in sims.math</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/math$package.html" target="_self">sims.math</a>
+        <br></br>
+        <span class="entity">object  Matrix22</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/math/Matrix22"><code>sims/math/Matrix22.scala</code></a>]
+      </div><hr></hr>
+      <a name="Matrix22"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Matrix22</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22$object.html#apply%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">apply</a></em>
+        (<em>c1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>c2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="apply%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>apply</em>(<em>c1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>c2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/math/Matrix22.html b/doc/sims/math/Matrix22.html
new file mode 100644
index 0000000..82cf176
--- /dev/null
+++ b/doc/sims/math/Matrix22.html
@@ -0,0 +1,448 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Matrix22 in sims.math</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/math$package.html" target="_self">sims.math</a>
+        <br></br>
+        <span class="entity">class  Matrix22</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/math/Matrix22"><code>sims/math/Matrix22.scala</code></a>]
+      </div><hr></hr>
+      <a name="Matrix22"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Matrix22</em>(<code>val </code><em>c11</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c12</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c21</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>c22</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Eine 2x2, quadratische Matrix.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>c11 - </code>Komponente 1,1</dd><dd><code>c12 - </code>Komponente 1,2</dd><dd><code>c21 - </code>Komponente 2,1</dd><dd><code>c22 - </code>Komponente 2,2</dd></dl>
+    
+      <table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Additional Constructor Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#this%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29" target="_self">this</a></em>
+        (<em>c1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>c2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        <div>Eine 2x2-dimensionale, quadratische Matrix kann auch mit zwei 2-dimensionalen
+   Vektoren erstellt werden. In diesem Fall repraesentiert jeder Vektor eine Spalte.</div>
+      </td>
+    </tr>
+      </table>
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#*%28sims.geometry.Vector2D%29" target="_self">*</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Multiplikation mit einer 2x1-Matrix (2-dimensionaler Vektor).</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#*%28Double%29" target="_self">*</a></em>
+        (<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        <div>Multiplikation mit einem Skalar.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#*%28sims.math.Matrix22%29" target="_self">*</a></em>
+        (<em>m</em> : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        <div>Multiplikation mit einer anderen 2x2-Matrix.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#%2B%28sims.math.Matrix22%29" target="_self">+</a></em>
+        (<em>m</em> : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        <div>Addition.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#det" target="_self">det</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        <div>Ergibt die Determinante dieser Matrix.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#invert" target="_self">invert</a></em>
+         : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+        
+        <div>Inverse.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/math/Matrix22.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      <table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Additional Constructor Details</td></tr>
+        </table><div><a name="this%28sims.geometry.Vector2D%2Csims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>this</em>(<em>c1</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>, <em>c2</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Eine 2x2-dimensionale, quadratische Matrix kann auch mit zwei 2-dimensionalen
+   Vektoren erstellt werden. In diesem Fall repraesentiert jeder Vektor eine Spalte.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>c1 - </code>erste Spalte</dd><dd><code>c2 - </code>zweite Spalte</dd></dl>
+    <hr></hr></div>
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="det"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>det</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Determinante dieser Matrix.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>Determinante dieser Matrix</dd></dl>
+    <hr></hr>
+<a name="%2B%28sims.math.Matrix22%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>+</em>(<em>m</em> : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Addition.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="*%28Double%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>*</em>(<em>n</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Multiplikation mit einem Skalar.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="*%28sims.math.Matrix22%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>*</em>(<em>m</em> : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>) : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Multiplikation mit einer anderen 2x2-Matrix.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="*%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>*</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Multiplikation mit einer 2x1-Matrix (2-dimensionaler Vektor).</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="invert"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>invert</em> : <a href="../../sims/math/Matrix22.html" target="_self">Matrix22</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Inverse.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs$content.html b/doc/sims/prefabs$content.html
new file mode 100644
index 0000000..dad597c
--- /dev/null
+++ b/doc/sims/prefabs$content.html
@@ -0,0 +1,54 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/prefabs/Net.html" target="_self">Net</a></em>
+        (<em>width</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <em>height</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <em>initPos</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="../sims/prefabs/Prefab.html" target="_self">Prefab</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> trait</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/prefabs/Prefab.html" target="_self">Prefab</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/prefabs/Pylon.html" target="_self">Pylon</a></em>
+        <code> extends </code><a href="../sims/prefabs/Prefab.html" target="_self">Prefab</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/prefabs/Ragdoll.html" target="_self">Ragdoll</a></em>
+        (<em>position</em> : <a href="../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)<code> extends </code><a href="../sims/prefabs/Prefab.html" target="_self">Prefab</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+</body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs$package.html b/doc/sims/prefabs$package.html
new file mode 100644
index 0000000..490a2cf
--- /dev/null
+++ b/doc/sims/prefabs$package.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/prefabs$content.html" target="contentFrame">sims.prefabs</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_N"><a href="../sims/prefabs/Net.html" target="contentFrame">Net</a></li>
+<li id="Classes_P"><a href="../sims/prefabs/Prefab.html" target="contentFrame">Prefab</a></li>
+<li><a href="../sims/prefabs/Pylon.html" target="contentFrame">Pylon</a></li>
+<li id="Classes_R"><a href="../sims/prefabs/Ragdoll.html" target="contentFrame">Ragdoll</a></li>
+        </ul>
+</div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs/Net.html b/doc/sims/prefabs/Net.html
new file mode 100644
index 0000000..0298260
--- /dev/null
+++ b/doc/sims/prefabs/Net.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Net in sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/prefabs$package.html" target="_self">sims.prefabs</a>
+        <br></br>
+        <span class="entity">class  Net</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/prefabs/Net"><code>sims/prefabs/Net.scala</code></a>]
+      </div><hr></hr>
+      <a name="Net"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>Net</em>(<em>width</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <em>height</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>, <em>initPos</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#nodeDensity" target="_self">nodeDensity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#nodeDistance" target="_self">nodeDistance</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#nodeRadius" target="_self">nodeRadius</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#springConstant" target="_self">springConstant</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Net.html#springDamping" target="_self">springDamping</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="nodeDistance"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>nodeDistance</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="nodeRadius"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>nodeRadius</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="nodeDensity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>nodeDensity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="springConstant"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>springConstant</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="springDamping"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>springDamping</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="bodies"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#bodies" target="_self">bodies</a>
+        </dd>
+      </dl><hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#joints" target="_self">joints</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs/Prefab.html b/doc/sims/prefabs/Prefab.html
new file mode 100644
index 0000000..83deb42
--- /dev/null
+++ b/doc/sims/prefabs/Prefab.html
@@ -0,0 +1,121 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>trait Prefab in sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/prefabs$package.html" target="_self">sims.prefabs</a>
+        <br></br>
+        <span class="entity">trait  Prefab</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/prefabs/Prefab"><code>sims/prefabs/Prefab.scala</code></a>]
+      </div><hr></hr>
+      <a name="Prefab"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>trait</code>
+        <em>Prefab</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl><dl>
+      <dt style="margin:10px 0 0 20px;"><b>Direct Known Subclasses:</b></dt>
+      <dd><a href="../../sims/prefabs/Net.html" target="_self">Net</a>, <a href="../../sims/prefabs/Pylon.html" target="_self">Pylon</a>, <a href="../../sims/prefabs/Ragdoll.html" target="_self">Ragdoll</a></dd>
+      </dl><hr></hr>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Prefab.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Prefab.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>]
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="bodies"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/Iterable">scala.Iterable</a>[<a href="../../sims/dynamics/joints/Joint.html" target="_self">Joint</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs/Pylon.html b/doc/sims/prefabs/Pylon.html
new file mode 100644
index 0000000..cec9b30
--- /dev/null
+++ b/doc/sims/prefabs/Pylon.html
@@ -0,0 +1,272 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Pylon in sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/prefabs$package.html" target="_self">sims.prefabs</a>
+        <br></br>
+        <span class="entity">class  Pylon</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/prefabs/Pylon"><code>sims/prefabs/Pylon.scala</code></a>]
+      </div><hr></hr>
+      <a name="Pylon"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>Pylon</em>
+      </dt>
+      <dd><code> extends </code><a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#beamHeight" target="_self">beamHeight</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#beamNumber" target="_self">beamNumber</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#beamWidth" target="_self">beamWidth</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#beams" target="_self">beams</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#nodeDensity" target="_self">nodeDensity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> lazy val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#nodes" target="_self">nodes</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Pylon.html#position" target="_self">position</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="position"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>position</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="nodeDensity"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>nodeDensity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="beamHeight"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>beamHeight</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="beamWidth"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>beamWidth</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="beamNumber"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>beamNumber</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="nodes"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>nodes</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="beams"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>lazy val</code>
+        <em>beams</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="bodies"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#bodies" target="_self">bodies</a>
+        </dd>
+      </dl><hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/DistanceJoint.html" target="_self">DistanceJoint</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#joints" target="_self">joints</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/prefabs/Ragdoll.html b/doc/sims/prefabs/Ragdoll.html
new file mode 100644
index 0000000..f7cc846
--- /dev/null
+++ b/doc/sims/prefabs/Ragdoll.html
@@ -0,0 +1,432 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Ragdoll in sims.prefabs</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/prefabs$package.html" target="_self">sims.prefabs</a>
+        <br></br>
+        <span class="entity">class  Ragdoll</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/prefabs/Ragdoll"><code>sims/prefabs/Ragdoll.scala</code></a>]
+      </div><hr></hr>
+      <a name="Ragdoll"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>Ragdoll</em>(<em>position</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>)
+      </dt>
+      <dd><code> extends </code><a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a></dd>
+    </dl>
+      
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Value Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#bodies" target="_self">bodies</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#foot1" target="_self">foot1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#foot2" target="_self">foot2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#forearm1" target="_self">forearm1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#forearm2" target="_self">forearm2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#hand1" target="_self">hand1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#hand2" target="_self">hand2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#headTorso" target="_self">headTorso</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#joints" target="_self">joints</a></em>
+         : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>]
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#shoulder1" target="_self">shoulder1</a></em>
+         : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#shoulder2" target="_self">shoulder2</a></em>
+         : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#thigh1" target="_self">thigh1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#thigh2" target="_self">thigh2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#tibia1" target="_self">tibia1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#tibia2" target="_self">tibia2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#upperArm1" target="_self">upperArm1</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> val</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/prefabs/Ragdoll.html#upperArm2" target="_self">upperArm2</a></em>
+         : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+        
+        
+      </td>
+    </tr>
+      </table>
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Value Details</td></tr>
+        </table><div><a name="headTorso"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>headTorso</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="thigh1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>thigh1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="thigh2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>thigh2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="tibia1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>tibia1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="tibia2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>tibia2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="foot1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>foot1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="foot2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>foot2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="upperArm1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>upperArm1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="upperArm2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>upperArm2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="forearm1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>forearm1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="forearm2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>forearm2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="hand1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>hand1</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="hand2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>hand2</em> : <a href="../../sims/dynamics/Body.html" target="_self">Body</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="bodies"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>bodies</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/Body.html" target="_self">Body</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#bodies" target="_self">bodies</a>
+        </dd>
+      </dl><hr></hr>
+<a name="shoulder1"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shoulder1</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="shoulder2"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>val</code>
+        <em>shoulder2</em> : <a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="joints"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>val</code>
+        <em>joints</em> : <a href="" target="contentFrame" class="scala/List">scala.List</a>[<a href="../../sims/dynamics/joints/RevoluteJoint.html" target="_self">RevoluteJoint</a>]
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="../../sims/prefabs/Prefab.html" target="_self">Prefab</a>.<a href="../../sims/prefabs/Prefab.html#joints" target="_self">joints</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util$content.html b/doc/sims/util$content.html
new file mode 100644
index 0000000..48b8a1e
--- /dev/null
+++ b/doc/sims/util$content.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>All classes and objects in sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><div class="page-title"><div>Simple Mechanics Simulator (SiMS) API</div></div><p><div>This document is the API specification for SiMS</div></p><table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Class Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code>case class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/util/Polar.html" target="_self">Polar</a></em>
+        (<code>val </code><em>distance</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>angle</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a>
+        
+        <div>Polare Koordinaten.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> class</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/util/RelativeVector.html" target="_self">RelativeVector</a></em>
+        (<code>val </code><em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)<code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        
+      </td>
+    </tr>        
+        </table>
+<table summary="" cellpadding="3" class="member">
+        <tr><td class="title" colspan="2">Object Summary</td></tr>
+        <tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/util/Polar$object.html" target="_self">Polar</a></em>
+        <code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../sims/util/Polar.html" target="_self">Polar</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> object</code>
+      </td>
+      <td class="signature">
+        <em><a href="../sims/util/Positioning$object.html" target="_self">Positioning</a></em>
+        <code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        
+        <div>Objekt mit Hiflsfunktionen fuer komfortables Positionieren von Koerpern.</div>
+      </td>
+    </tr>        
+        </table></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util$package.html b/doc/sims/util$package.html
new file mode 100644
index 0000000..61c5bdc
--- /dev/null
+++ b/doc/sims/util$package.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>List of classes and objects in package sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../script.js"></script>
+        </head>
+        <body onload="init()"><table summary="" class="navigation">
+          <tr><td class="navigation-links" valign="top">
+            <a href="../sims/util$content.html" target="contentFrame">sims.util</a>
+          </td></tr>
+        </table><div><div class="kinds" id="Classes">Classes</div><ul class="list">
+        <li id="Classes_P"><a href="../sims/util/Polar.html" target="contentFrame">Polar</a></li>
+<li id="Classes_R"><a href="../sims/util/RelativeVector.html" target="contentFrame">RelativeVector</a></li>
+        </ul>
+<div class="kinds" id="Objects">Objects</div><ul class="list">
+        <li id="Objects_P"><a href="../sims/util/Polar$object.html" target="contentFrame">Polar</a></li>
+<li><a href="../sims/util/Positioning$object.html" target="contentFrame">Positioning</a></li>
+        </ul></div></body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util/Polar$object.html b/doc/sims/util/Polar$object.html
new file mode 100644
index 0000000..c1ae2b3
--- /dev/null
+++ b/doc/sims/util/Polar$object.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Polar in sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/util$package.html" target="_self">sims.util</a>
+        <br></br>
+        <span class="entity">object  Polar</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/util/Polar"><code>sims/util/Polar.scala</code></a>]
+      </div><hr></hr>
+      <a name="Polar"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Polar</em>
+      </dt>
+      <dd><code> extends </code>(<a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) =&gt; <a href="../../sims/util/Polar.html" target="_self">Polar</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="" target="contentFrame" class="scala/Function2">scala.Function2</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="#toString" target="contentFrame" class="scala/Function2">scala.Function2.toString</a>, <a href="#curry" target="contentFrame" class="scala/Function2">scala.Function2.curry</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util/Polar.html b/doc/sims/util/Polar.html
new file mode 100644
index 0000000..7f3f444
--- /dev/null
+++ b/doc/sims/util/Polar.html
@@ -0,0 +1,302 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class Polar in sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/util$package.html" target="_self">sims.util</a>
+        <br></br>
+        <span class="entity">class  Polar</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/util/Polar"><code>sims/util/Polar.scala</code></a>]
+      </div><hr></hr>
+      <a name="Polar"></a><dl>
+      <dt>
+        
+        <code>case</code>
+        <code>class</code>
+        <em>Polar</em>(<code>val </code><em>distance</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>angle</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="" target="contentFrame" class="scala/Product">scala.Product</a></dd>
+    </dl>
+      <dl><dd>Polare Koordinaten.</dd></dl>
+      <dl></dl>
+    
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#equals%28Any%29" target="_self">equals</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+        
+        <div>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#hashCode%28%29" target="_self">hashCode</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        <div>Returns a hash code value for the object.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#productArity" target="_self">productArity</a></em>
+         : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#productElement%28Int%29" target="_self">productElement</a></em>
+        (<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#productPrefix" target="_self">productPrefix</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#toCarthesian" target="_self">toCarthesian</a></em>
+         : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        <div>Ergibt die Vektorrepraesantation dieser polaren Koordinaten.</div>
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>override def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Polar.html#toString%28%29" target="_self">toString</a></em>
+         : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+        
+        <div>Returns a string representation of the object.</div>
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="toCarthesian"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>toCarthesian</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Ergibt die Vektorrepraesantation dieser polaren Koordinaten.</dd></dl>
+      <dl></dl>
+    <hr></hr>
+<a name="hashCode%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>hashCode</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a hash code value for the object.  
+    <p>
+    The default hashing algorithm is platform dependent.  
+    Note that it is allowed for two objects to have identical hash
+    codes (<code>o1.hashCode.equals(o2.hashCode)</code>) yet not be
+    equal (<code>o1.equals(o2)</code> returns <code>false</code>).  A
+    degenerate implementation could always return <code>0</code>.
+    However, it is required that if two objects are equal
+    (<code>o1.equals(o2)</code> returns <code>true</code>) that they
+    have identical hash codes
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).  Therefore, when
+    overriding this method, be sure to verify that the behavior is
+    consistent with the <code>equals</code> method.
+    </p>
+    <p></dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>the hash code value for the object.      </p></dd></dl>
+    <hr></hr>
+<a name="toString%28%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>toString</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>Returns a string representation of the object.  
+    <p>
+    The default representation is platform dependent.</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd>a string representation of the object.     </p></dd></dl>
+    <hr></hr>
+<a name="equals%28Any%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>equals</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Boolean.html" target="_self">Boolean</a>
+      </dt>
+      <dd></dd>
+    </dl>
+      <dl><dd>This method is used to compare the receiver object (<code>this</code>)
+    with the argument object (<code>arg0</code>) for equivalence.  
+    
+    <p>
+    The default implementations of this method is an <a
+    href="http://en.wikipedia.org/wiki/Equivalence_relation">equivalence
+    relation</a>:
+      <ul>
+      <li>It is reflexive: for any instance <code>x</code> of type <code>Any</code>, 
+      <code>x.equals(x)</code> should return <code>true</code>.</li>
+      <li>It is symmetric: for any instances <code>x</code> and <code>y</code> of type 
+      <code>Any</code>, <code>x.equals(y)</code> should return <code>true</code> if and only 
+      if <code>y.equals(x)</code> returns <code>true</code>.</li>
+      <li>It is transitive: for any instances 
+      <code>x</code>, <code>y</code>, and <code>z</code> of type <code>AnyRef</code>
+      if <code>x.equals(y)</code> returns <code>true</code> and 
+      <code>y.equals(z)</code> returns 
+      <code>true</code>, then <code>x.equals(z)</code> should return <code>true</code>.</li>
+    </ul>
+    </p>
+    <p>
+    If you override this method, you should verify that
+    your implementation remains an equivalence relation.
+    Additionally, when overriding this method it is often necessary to
+    override <code>hashCode</code> to ensure that objects that are
+    "equal" (<code>o1.equals(o2)</code> returns <code>true</code>)
+    hash to the same <a href="Int.html"><code>Int</code></a>
+    (<code>o1.hashCode.equals(o2.hashCode)</code>).</dd></dl>
+      <dl><dt style="margin:10px 0 0 20px;">
+        <b>Parameters</b></dt><dd><code>arg0 - </code>the object to compare against this object for equality.</dd><dt style="margin:10px 0 0 20px;">
+        <b>Returns</b></dt><dd><code>true</code> if the receiver object is equivalent to the argument; <code>false</code> otherwise.    </p></dd></dl>
+    <hr></hr>
+<a name="productPrefix"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productPrefix</em> : <a href="" target="contentFrame" class="java/lang/String">java.lang.String</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productPrefix" target="contentFrame" class="scala/Product">scala.Product.productPrefix</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productArity"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productArity</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productArity" target="contentFrame" class="scala/Product">scala.Product.productArity</a>
+        </dd>
+      </dl><hr></hr>
+<a name="productElement%28Int%29"></a><dl>
+      <dt>
+        
+        <code>override</code>
+        <code>def</code>
+        <em>productElement</em>(<em>arg0</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+      </dt>
+      <dd></dd>
+    </dl><dl>
+        <dt style="margin:10px 0 0 20px;">
+          <b>Overrides</b>
+        </dt>
+        <dd>
+        <a href="" target="contentFrame" class="scala/Product">scala.Product</a>.<a href="#productElement" target="contentFrame" class="scala/Product">scala.Product.productElement</a>
+        </dd>
+      </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util/Positioning$object.html b/doc/sims/util/Positioning$object.html
new file mode 100644
index 0000000..eecdee9
--- /dev/null
+++ b/doc/sims/util/Positioning$object.html
@@ -0,0 +1,201 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>object Positioning in sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/util$package.html" target="_self">sims.util</a>
+        <br></br>
+        <span class="entity">object  Positioning</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/util/Positioning"><code>sims/util/Positioning.scala</code></a>]
+      </div><hr></hr>
+      <a name="Positioning"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>object</code>
+        <em>Positioning</em>
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      <dl><dd>Objekt mit Hiflsfunktionen fuer komfortables Positionieren von Koerpern.</dd></dl>
+      <dl></dl>
+    
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#double2RelativeVector%28Double%29" target="_self">double2RelativeVector</a></em>
+        (<em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#int2RelativeVector%28Int%29" target="_self">int2RelativeVector</a></em>
+        (<em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#polar2Carthesian%28sims.util.Polar%29" target="_self">polar2Carthesian</a></em>
+        (<em>p</em> : <a href="../../sims/util/Polar.html" target="_self">Polar</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#polar2RelativeVector%28sims.util.Polar%29" target="_self">polar2RelativeVector</a></em>
+        (<em>p</em> : <a href="../../sims/util/Polar.html" target="_self">Polar</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#position%28sims.dynamics.Shape%29" target="_self">position</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)(<em>a</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code>implicit def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/Positioning$object.html#vector2RelativeVector%28sims.geometry.Vector2D%29" target="_self">vector2RelativeVector</a></em>
+        (<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="int2RelativeVector%28Int%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>int2RelativeVector</em>(<em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Int.html" target="_self">Int</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="double2RelativeVector%28Double%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>double2RelativeVector</em>(<em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="vector2RelativeVector%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>vector2RelativeVector</em>(<em>v</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="polar2Carthesian%28sims.util.Polar%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>polar2Carthesian</em>(<em>p</em> : <a href="../../sims/util/Polar.html" target="_self">Polar</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="polar2RelativeVector%28sims.util.Polar%29"></a><dl>
+      <dt>
+        
+        <code>implicit</code>
+        <code>def</code>
+        <em>polar2RelativeVector</em>(<em>p</em> : <a href="../../sims/util/Polar.html" target="_self">Polar</a>) : <a href="../../sims/util/RelativeVector.html" target="_self">RelativeVector</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="position%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>position</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>)(<em>a</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="http://www.scala-lang.org/docu/files/api/scala/Unit.html" target="_self">Unit</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/sims/util/RelativeVector.html b/doc/sims/util/RelativeVector.html
new file mode 100644
index 0000000..defc526
--- /dev/null
+++ b/doc/sims/util/RelativeVector.html
@@ -0,0 +1,278 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+        <head><title>class RelativeVector in sims.util</title>
+        <meta http-equiv="content-type" content="text/html; charset=UTF8"></meta><meta content="scaladoc (version 2.7.5.final)" name="generator"></meta><link href="../../style.css" type="text/css" rel="stylesheet"></link><script type="text/javascript" src="../../script.js"></script>
+        </head>
+        <body onload="init()">
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+        
+      <div class="entity">
+        <a href="../../sims/util$package.html" target="_self">sims.util</a>
+        <br></br>
+        <span class="entity">class  RelativeVector</span>
+      </div><hr></hr>
+      <div class="source">
+        [source: <a href="" class="sims/util/RelativeVector"><code>sims/util/RelativeVector.scala</code></a>]
+      </div><hr></hr>
+      <a name="RelativeVector"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>class</code>
+        <em>RelativeVector</em>(<code>val </code><em>x</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>, <code>val </code><em>y</em> : <a href="http://www.scala-lang.org/docu/files/api/scala/Double.html" target="_self">Double</a>)
+      </dt>
+      <dd><code> extends </code><a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a></dd>
+    </dl>
+      
+
+
+<table summary="" cellpadding="3" class="member">
+      <tr><td class="title" colspan="2">Method Summary</td></tr>
+      <tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#above%28sims.dynamics.Shape%29" target="_self">above</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#above%28sims.geometry.Vector2D%29" target="_self">above</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#below%28sims.geometry.Vector2D%29" target="_self">below</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#below%28sims.dynamics.Shape%29" target="_self">below</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#from%28sims.dynamics.Shape%29" target="_self">from</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#from%28sims.geometry.Vector2D%29" target="_self">from</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#left%28sims.geometry.Vector2D%29" target="_self">left</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#left%28sims.dynamics.Shape%29" target="_self">left</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#right%28sims.geometry.Vector2D%29" target="_self">right</a></em>
+        (<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+<tr>
+      <td class="modifiers" valign="top"> 
+        <code> def</code>
+      </td>
+      <td class="signature">
+        <em><a href="../../sims/util/RelativeVector.html#right%28sims.dynamics.Shape%29" target="_self">right</a></em>
+        (<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+        
+        
+      </td>
+    </tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#getClass%28%29" target="_self">getClass</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#hashCode%28%29" target="_self">hashCode</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#equals%28Any%29" target="_self">equals</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#clone%28%29" target="_self">clone</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#toString%28%29" target="_self">toString</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notify%28%29" target="_self">notify</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#notifyAll%28%29" target="_self">notifyAll</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28Long%2CInt%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#wait%28%29" target="_self">wait</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#finalize%28%29" target="_self">finalize</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%3D%3D%28AnyRef%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#%21%3D%28AnyRef%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#eq%28AnyRef%29" target="_self">eq</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#ne%28AnyRef%29" target="_self">ne</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html#synchronized%28T0%29" target="_self">synchronized</a>
+        </td></tr>
+      </table><table summary="" cellpadding="3" class="inherited">
+        <tr><td class="title" colspan="2">
+          Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html" target="_self">Any</a>
+        </td></tr>
+        <tr><td class="signature" colspan="2">
+          <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%3D%3D%28Any%29" target="_self">==</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#%21%3D%28Any%29" target="_self">!=</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#isInstanceOf" target="_self">isInstanceOf</a>, <a href="http://www.scala-lang.org/docu/files/api/scala/Any.html#asInstanceOf" target="_self">asInstanceOf</a>
+        </td></tr>
+      </table>
+
+
+      
+
+
+<table summary="" cellpadding="3" class="member-detail">
+          <tr><td class="title">Method Details</td></tr>
+        </table><div><a name="above%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>above</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="below%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>below</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="left%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>left</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="right%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>right</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="from%28sims.geometry.Vector2D%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>from</em>(<em>point</em> : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="above%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>above</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="below%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>below</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="left%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>left</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="right%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>right</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr>
+<a name="from%28sims.dynamics.Shape%29"></a><dl>
+      <dt>
+        
+        <code></code>
+        <code>def</code>
+        <em>from</em>(<em>s</em> : <a href="../../sims/dynamics/Shape.html" target="_self">Shape</a>) : <a href="../../sims/geometry/Vector2D.html" target="_self">Vector2D</a>
+      </dt>
+      <dd></dd>
+    </dl><hr></hr></div>
+
+
+    <hr></hr>
+        <table summary="" class="navigation">
+        <tr>
+          <td class="navigation-links" valign="top">
+            <!-- <table><tr></tr></table> -->
+          </td>
+          <td align="right" valign="top" style="white-space:nowrap;" rowspan="2">
+            <div class="doctitle-larger">SiMS</div>
+          </td>
+        </tr>
+        <tr><td></td></tr>
+      </table>
+      </body>
+      </html>
+\ No newline at end of file
diff --git a/doc/style.css b/doc/style.css
new file mode 100644
index 0000000..e243249
--- /dev/null
+++ b/doc/style.css
@@ -0,0 +1,148 @@
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+
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+
author	Jakob Odersky <jodersky@gmail.com>	2009-11-05 21:02:40 +0000
committer	Jakob Odersky <jodersky@gmail.com>	2009-11-05 21:02:40 +0000
commit	9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70 (patch)
tree	4e97fadc391b310ee1cc7156fda590dff414b2c3 /doc
parent	034bc5930ea6f01745f64a6070711d899d2c27ae (diff)
download	sims-9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70.tar.gz sims-9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70.tar.bz2 sims-9d20024aa35cd7f923ebfc1ed9a2ffbf2731da70.zip