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          <td class="md" nowrap>const <a class="el" href="classFPoint2.html">FPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap>float&nbsp;</td>
          <td class="mdname" nowrap> <em>fBary</em>[3]</td>
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<p>
Compute the 3 barycentric coordinates of a 2D point in a 2D triangle.<p>
<dl compact><dt><b>Returns:</b></dt><dd>false if a problem was encountered (e.g. degenerate triangle), otherwise true. </dd></dl>
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<a class="anchor" name="924143fb5b5befad64dbe397cd7972a3"></a><!-- doxytag: member="MathTypes.h::CrossingsTest" ref="924143fb5b5befad64dbe397cd7972a3" args="(const DPoint3 *pgon, int numverts, const DPoint2 &amp;point)" --><p>
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          <td class="md" nowrap valign="top">bool CrossingsTest           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint3.html">DPoint3</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>pgon</em>, </td>
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          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>numverts</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>point</em></td>
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<p>
Another version of CrossingsTest that accepts 3D rather than 2D points. Only the first two components (X and Y) are tested, so this allows you to do a 2D test with a 3D polygon.     </td>
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<a class="anchor" name="e270ee1a5bb4abb3b9118b42462c16bc"></a><!-- doxytag: member="MathTypes.h::CrossingsTest" ref="e270ee1a5bb4abb3b9118b42462c16bc" args="(const DPoint2 *pgon, int numverts, const DPoint2 &amp;point)" --><p>
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          <td class="md" nowrap valign="top">bool CrossingsTest           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>pgon</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>numverts</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>point</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Point-in-polygon test.<p>
Tests whether the 2D polygon <em>pgon</em> with <em>numverts</em> number of vertices contains the test point <em>point</em>.<p>
<dl compact><dt><b>Returns:</b></dt><dd>1 if inside, 0 if outside. </dd></dl>
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<a class="anchor" name="82c2dfefc09fb7804ca43c137400e763"></a><!-- doxytag: member="MathTypes.h::DistanceLineToLine" ref="82c2dfefc09fb7804ca43c137400e763" args="(const FPoint3 &amp;A1, const FPoint3 &amp;A2, const FPoint3 &amp;B1, const FPoint3 &amp;B2, FPoint3 &amp;result1, FPoint3 &amp;result2)" --><p>
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          <td class="md" nowrap valign="top">float DistanceLineToLine           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>A1</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>A2</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>B1</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>B2</em>, </td>
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          <td class="md" nowrap><a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>result1</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>result2</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Given the four vectors defining your points A1, A2, B1, and B2, the points result1 and result2 on the lines A1A2 and B1B2, respectively, which are closest together, and their distance, d, apart.     </td>
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<a class="anchor" name="dee4b30ec5c0414728862525fc935197"></a><!-- doxytag: member="MathTypes.h::DistancePointToLine" ref="dee4b30ec5c0414728862525fc935197" args="(const DPoint2 &amp;p1, const DPoint2 &amp;p2, const DPoint2 &amp;p3)" --><p>
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          <td class="md" nowrap valign="top">double DistancePointToLine           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p1</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p2</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p3</em></td>
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<p>
Find the closest distance from a point to a line segment.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>p1,p2</em>&nbsp;</td><td>The points which define the line segment. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>p3</em>&nbsp;</td><td>The point to which to measure distance. </td></tr>
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<a class="anchor" name="fc81d67746dd0dfa9ab09b6d3dcbba1a"></a><!-- doxytag: member="MathTypes.h::LineSegmentsIntersect" ref="fc81d67746dd0dfa9ab09b6d3dcbba1a" args="(const DPoint2 &amp;p1, const DPoint2 &amp;p2, const DPoint2 &amp;p3, const DPoint2 &amp;p4, DPoint2 *result=NULL)" --><p>
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          <td class="md" nowrap valign="top">int LineSegmentsIntersect           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p1</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p2</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classDPoint2.html">DPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p3</em>, </td>
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