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<head><title>trait Constraint in sims.dynamics</title>
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<div class="doctitle-larger">SiMS</div>
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<div class="entity">
<a href="../../sims/dynamics$package.html" target="_self">sims.dynamics</a>
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<span class="entity">trait Constraint</span>
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<div class="source">
[source: <a href="" class="sims/dynamics/Constraint"><code>sims/dynamics/Constraint.scala</code></a>]
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<a name="Constraint"></a><dl>
<dt>
<code></code>
<code>trait</code>
<em>Constraint</em>
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<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>All constraints in SiMS implement this trait.
Position and velocity can be corrected for each constraint.
The implementation of constraints was inspired by Erin Catto's box2d.</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>
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<tr><td class="title" colspan="2">Method Summary</td></tr>
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<code>abstract def</code>
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<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>Corrects the positions of bodies according to this constraint.</div>
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<td class="modifiers" valign="top">
<code>abstract def</code>
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<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>Corrects the velocities of bodies according to this constraint.</div>
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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>
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<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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<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>Corrects the velocities of bodies according to this constraint.</dd></dl>
<dl><dt style="margin:10px 0 0 20px;">
<b>Parameters</b></dt><dd><code>h - </code>a time interval, used for converting forces and impulses</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>Corrects the positions of bodies according to this constraint.</dd></dl>
<dl><dt style="margin:10px 0 0 20px;">
<b>Parameters</b></dt><dd><code>h - </code>a time interval, used for converting forces and impulses</dd></dl>
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<div class="doctitle-larger">SiMS</div>
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