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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<head><title>trait ConvexPolygon in sims.geometry</title>
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<div class="doctitle-larger">SiMS</div>
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<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>Common properties of all convex polygons.</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>Returns this polygon's axis aligned bounding box.</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>Checks if the point <code>point</code> is contained in this polygon.</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>Returns the projection of this polygon onto the line given by the directional vector <code>axis</code>.</div>
</td>
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<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>Returns all sides of this polygon. The sides are ordered counter-clockwise, the first vertex of the side
giving the side index.</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>Returns positions of all vertices of this Polygon. Vertices are ordered counter-clockwise.</div>
</td>
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Methods inherited from <a href="http://www.scala-lang.org/docu/files/api/scala/AnyRef.html" target="_self">AnyRef</a>
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<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>
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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>
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<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>Returns positions of all vertices of this Polygon. Vertices are ordered counter-clockwise.</dd></dl>
<dl><dt style="margin:10px 0 0 20px;">
<b>Returns</b></dt><dd>position vectors of the vertices</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>Returns all sides of this polygon. The sides are ordered counter-clockwise, the first vertex of the side
giving the side index.</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>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>Returns the projection of this polygon onto the line given by the directional vector <code>axis</code>.</dd></dl>
<dl><dt style="margin:10px 0 0 20px;">
<b>Parameters</b></dt><dd><code>axis - </code>directional vector of the line</dd><dt style="margin:10px 0 0 20px;">
<b>Returns</b></dt><dd>projection of this polygon</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>Returns this polygon's axis aligned bounding box.</dd></dl>
<dl><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>Checks if the point <code>point</code> is contained in this polygon.
<p>
A ray is created, originating from the point and following an arbitrary direction (X-Axis was chosen).
The number of intersections between the ray and this polygon's sides (including vertices) is counted.
The amount of intersections with vertices is substracted form the previuos number.
If the latter number is odd, the point is contained in the polygon.</dd></dl>
<dl></dl>
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