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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>p4</em>, </td>
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          <td class="md" nowrap><a class="el" href="classDPoint2.html">DPoint2</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>result</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Test whether two 2D line segment intersect or not. Based on the algorithm 'Faster Line Segment Intersection' by Franklin Antonio<p>
<dl compact><dt><b>Returns:</b></dt><dd>0 if the segments do not intersect, 1 if they do, 2 if the segments are parallel. </dd></dl>
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<a class="anchor" name="bfffaedb50b795cda3a3cd16ea0ce108"></a><!-- doxytag: member="MathTypes.h::PlaneIntersection" ref="bfffaedb50b795cda3a3cd16ea0ce108" args="(const FPlane &amp;plane1, const FPlane &amp;plane2, const FPlane &amp;plane3, FPoint3 &amp;result)" --><p>
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          <td class="md" nowrap valign="top">bool PlaneIntersection           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classFPlane.html">FPlane</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>plane1</em>, </td>
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          <td class="md" nowrap>const <a class="el" href="classFPlane.html">FPlane</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>plane2</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classFPlane.html">FPlane</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>plane3</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="classFPoint3.html">FPoint3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>result</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
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<p>
Find the intersection of 3 planes.<p>
<dl compact><dt><b>Returns:</b></dt><dd>true if there was a valid intersection point. The function will fail and return false for any degenerate case, e.g. when any two of the planes are parallel. </dd></dl>
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<a class="anchor" name="b9254b5097406906fd44f9bb518ebe40"></a><!-- doxytag: member="MathTypes.h::PointInTriangle" ref="b9254b5097406906fd44f9bb518ebe40" args="(const DPoint2 &amp;p, const DPoint2 &amp;p1, const DPoint2 &amp;p2, const DPoint2 &amp;p3)" --><p>
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          <td class="md" nowrap valign="top">bool PointInTriangle           </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>p</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>p1</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <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 align="right"></td>
          <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>p3</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
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<p>
2D point in triangle containment test.<p>
<dl compact><dt><b>Returns:</b></dt><dd>true if the point is inside the triangle, otherwise false. </dd></dl>
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<a class="anchor" name="363539e9963d234a165dbfb82e53e33d"></a><!-- doxytag: member="MathTypes.h::PointInTriangle" ref="363539e9963d234a165dbfb82e53e33d" args="(const FPoint2 &amp;p, const FPoint2 &amp;p1, const FPoint2 &amp;p2, const FPoint2 &amp;p3)" --><p>
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          <td class="md" nowrap valign="top">bool PointInTriangle           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">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 align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classFPoint2.html">FPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p1</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classFPoint2.html">FPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p2</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="el" href="classFPoint2.html">FPoint2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p3</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
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<p>
2D point in triangle containment test.<p>
<dl compact><dt><b>Returns:</b></dt><dd>true if the point is inside the triangle, otherwise false. </dd></dl>
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<a class="anchor" name="ef7bd1fb92d9f9bdc381e5197f5a45d8"></a><!-- doxytag: member="MathTypes.h::ProjectionXZ" ref="ef7bd1fb92d9f9bdc381e5197f5a45d8" args="(const FLine3 &amp;fline3, DLine2 &amp;dline2)" --><p>
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          <td class="md" nowrap valign="top">void ProjectionXZ           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classFLine3.html">FLine3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>fline3</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="classDLine2.html">DLine2</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>dline2</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
To convert between 3D and 2D entities, project to and from the 3D coordinate system's XZ plane.     </td>
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<a class="anchor" name="b78235cbed34d2499af0eb16a7270cdb"></a><!-- doxytag: member="MathTypes.h::vt_log2" ref="b78235cbed34d2499af0eb16a7270cdb" args="(int n)" --><p>
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          <td class="md" nowrap valign="top">int vt_log2           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">int&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>n</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Compute base-2 logarithm of an integer. There's probably an even simpler way to do this with sneaky logical ops or without a loop, but this works.     </td>
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<hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:40:54 2008 for vtdata library by&nbsp;
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