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<div class="textblock"><code>#include &quot;<a class="el" href="Recast_8h_source.html">Recast.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="RecastAlloc_8h_source.html">RecastAlloc.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="RecastAssert_8h_source.html">RecastAssert.h</a>&quot;</code><br />
<code>#include &lt;math.h&gt;</code><br />
<code>#include &lt;string.h&gt;</code><br />
<code>#include &lt;stdio.h&gt;</code><br />
<code>#include &lt;stdarg.h&gt;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a27c978b5bf2b857ec501ebd86c4e5981" id="r_a27c978b5bf2b857ec501ebd86c4e5981"><td class="memItemLeft" align="right" valign="top">float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="Recast_8cpp.html#a27c978b5bf2b857ec501ebd86c4e5981">rcSqrt</a> (float x)</td></tr>
<tr class="memdesc:a27c978b5bf2b857ec501ebd86c4e5981"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the square root of the value. <br /></td></tr>
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<tr class="memitem:gaac533188c752bd1d13a179f63c2b784e" id="r_gaac533188c752bd1d13a179f63c2b784e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcHeightfield.html">rcHeightfield</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gaac533188c752bd1d13a179f63c2b784e">rcAllocHeightfield</a> ()</td></tr>
<tr class="memdesc:gaac533188c752bd1d13a179f63c2b784e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a heightfield object using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga63549624426821904ecf1a92ddcccaea" id="r_ga63549624426821904ecf1a92ddcccaea"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga63549624426821904ecf1a92ddcccaea">rcFreeHeightField</a> (<a class="el" href="structrcHeightfield.html">rcHeightfield</a> *heightfield)</td></tr>
<tr class="memdesc:ga63549624426821904ecf1a92ddcccaea"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified heightfield object using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga766374592cc6b87d804539258e690c25" id="r_ga766374592cc6b87d804539258e690c25"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga766374592cc6b87d804539258e690c25">rcAllocCompactHeightfield</a> ()</td></tr>
<tr class="memdesc:ga766374592cc6b87d804539258e690c25"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a compact heightfield object using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga914ed7cee333a9c29513d917f6bb4716" id="r_ga914ed7cee333a9c29513d917f6bb4716"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga914ed7cee333a9c29513d917f6bb4716">rcFreeCompactHeightfield</a> (<a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> *compactHeightfield)</td></tr>
<tr class="memdesc:ga914ed7cee333a9c29513d917f6bb4716"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified compact heightfield object using the Recast allocator. <br /></td></tr>
<tr class="separator:ga914ed7cee333a9c29513d917f6bb4716"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac29612c6be29d03023ad559766e7504f" id="r_gac29612c6be29d03023ad559766e7504f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcHeightfieldLayerSet.html">rcHeightfieldLayerSet</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gac29612c6be29d03023ad559766e7504f">rcAllocHeightfieldLayerSet</a> ()</td></tr>
<tr class="memdesc:gac29612c6be29d03023ad559766e7504f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a heightfield layer set using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga657ea6ef521e4caadc4467bd61e26016" id="r_ga657ea6ef521e4caadc4467bd61e26016"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga657ea6ef521e4caadc4467bd61e26016">rcFreeHeightfieldLayerSet</a> (<a class="el" href="structrcHeightfieldLayerSet.html">rcHeightfieldLayerSet</a> *layerSet)</td></tr>
<tr class="memdesc:ga657ea6ef521e4caadc4467bd61e26016"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified heightfield layer set using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga93c723c27eee8e8d7eda2a1e893453f2" id="r_ga93c723c27eee8e8d7eda2a1e893453f2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcContourSet.html">rcContourSet</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga93c723c27eee8e8d7eda2a1e893453f2">rcAllocContourSet</a> ()</td></tr>
<tr class="memdesc:ga93c723c27eee8e8d7eda2a1e893453f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a contour set object using the Recast allocator. <br /></td></tr>
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<tr class="memitem:gae3a9621529cb8d471a95161bd7d0ca96" id="r_gae3a9621529cb8d471a95161bd7d0ca96"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gae3a9621529cb8d471a95161bd7d0ca96">rcFreeContourSet</a> (<a class="el" href="structrcContourSet.html">rcContourSet</a> *contourSet)</td></tr>
<tr class="memdesc:gae3a9621529cb8d471a95161bd7d0ca96"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified contour set using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga91d620803d27e630a313645045f61a76" id="r_ga91d620803d27e630a313645045f61a76"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcPolyMesh.html">rcPolyMesh</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga91d620803d27e630a313645045f61a76">rcAllocPolyMesh</a> ()</td></tr>
<tr class="memdesc:ga91d620803d27e630a313645045f61a76"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a polygon mesh object using the Recast allocator. <br /></td></tr>
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<tr class="memitem:ga34925f90f2e5da1f84c383bfb0ff8e9f" id="r_ga34925f90f2e5da1f84c383bfb0ff8e9f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga34925f90f2e5da1f84c383bfb0ff8e9f">rcFreePolyMesh</a> (<a class="el" href="structrcPolyMesh.html">rcPolyMesh</a> *polyMesh)</td></tr>
<tr class="memdesc:ga34925f90f2e5da1f84c383bfb0ff8e9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified polygon mesh using the Recast allocator. <br /></td></tr>
<tr class="separator:ga34925f90f2e5da1f84c383bfb0ff8e9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga64d439d4a3d04eea77171cff38eef0ff" id="r_ga64d439d4a3d04eea77171cff38eef0ff"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrcPolyMeshDetail.html">rcPolyMeshDetail</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga64d439d4a3d04eea77171cff38eef0ff">rcAllocPolyMeshDetail</a> ()</td></tr>
<tr class="memdesc:ga64d439d4a3d04eea77171cff38eef0ff"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allocates a detail mesh object using the Recast allocator. <br /></td></tr>
<tr class="separator:ga64d439d4a3d04eea77171cff38eef0ff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3efa77f1a8305250471c2ac09672d9ae" id="r_ga3efa77f1a8305250471c2ac09672d9ae"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga3efa77f1a8305250471c2ac09672d9ae">rcFreePolyMeshDetail</a> (<a class="el" href="structrcPolyMeshDetail.html">rcPolyMeshDetail</a> *detailMesh)</td></tr>
<tr class="memdesc:ga3efa77f1a8305250471c2ac09672d9ae"><td class="mdescLeft">&#160;</td><td class="mdescRight">Frees the specified detail mesh using the Recast allocator. <br /></td></tr>
<tr class="separator:ga3efa77f1a8305250471c2ac09672d9ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8d3d926002b6df3a5100a1f1e4086026" id="r_ga8d3d926002b6df3a5100a1f1e4086026"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga8d3d926002b6df3a5100a1f1e4086026">rcCalcBounds</a> (const float *verts, int numVerts, float *minBounds, float *maxBounds)</td></tr>
<tr class="memdesc:ga8d3d926002b6df3a5100a1f1e4086026"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the bounding box of an array of vertices. <br /></td></tr>
<tr class="separator:ga8d3d926002b6df3a5100a1f1e4086026"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga89dd61f0c62938be9ae41aaf026794c2" id="r_ga89dd61f0c62938be9ae41aaf026794c2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga89dd61f0c62938be9ae41aaf026794c2">rcCalcGridSize</a> (const float *minBounds, const float *maxBounds, const float cellSize, int *sizeX, int *sizeZ)</td></tr>
<tr class="memdesc:ga89dd61f0c62938be9ae41aaf026794c2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the grid size based on the bounding box and grid cell size. <br /></td></tr>
<tr class="separator:ga89dd61f0c62938be9ae41aaf026794c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga47eca35f60dbd7ddc1cb18fdb2493833" id="r_ga47eca35f60dbd7ddc1cb18fdb2493833"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga47eca35f60dbd7ddc1cb18fdb2493833">rcCreateHeightfield</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, <a class="el" href="structrcHeightfield.html">rcHeightfield</a> &amp;heightfield, int sizeX, int sizeZ, const float *minBounds, const float *maxBounds, float cellSize, float cellHeight)</td></tr>
<tr class="memdesc:ga47eca35f60dbd7ddc1cb18fdb2493833"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initializes a new heightfield. <br /></td></tr>
<tr class="separator:ga47eca35f60dbd7ddc1cb18fdb2493833"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a60b906db15ec95753e2c46d85ac1f5a7" id="r_a60b906db15ec95753e2c46d85ac1f5a7"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="Recast_8cpp.html#a60b906db15ec95753e2c46d85ac1f5a7">calcTriNormal</a> (const float *v0, const float *v1, const float *v2, float *faceNormal)</td></tr>
<tr class="separator:a60b906db15ec95753e2c46d85ac1f5a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga63e7b847422bfd78acea724088da6561" id="r_ga63e7b847422bfd78acea724088da6561"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga63e7b847422bfd78acea724088da6561">rcMarkWalkableTriangles</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const float walkableSlopeAngle, const float *verts, const int numVerts, const int *tris, const int numTris, unsigned char *triAreaIDs)</td></tr>
<tr class="memdesc:ga63e7b847422bfd78acea724088da6561"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the area id of all triangles with a slope below the specified value to <a class="el" href="Recast_8h.html#a55c878bf81a2811829c8c5e491be41cb" title="The default area id used to indicate a walkable polygon.">RC_WALKABLE_AREA</a>. <br /></td></tr>
<tr class="separator:ga63e7b847422bfd78acea724088da6561"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad293e95cc9b22e4305ad2c6fbf946622" id="r_gad293e95cc9b22e4305ad2c6fbf946622"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gad293e95cc9b22e4305ad2c6fbf946622">rcClearUnwalkableTriangles</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const float walkableSlopeAngle, const float *verts, int numVerts, const int *tris, int numTris, unsigned char *triAreaIDs)</td></tr>
<tr class="memdesc:gad293e95cc9b22e4305ad2c6fbf946622"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the area id of all triangles with a slope greater than or equal to the specified value to <a class="el" href="Recast_8h.html#a5105dbfb2d2bf8aa69122db502d0e39e" title="Represents the null area.">RC_NULL_AREA</a>. <br /></td></tr>
<tr class="separator:gad293e95cc9b22e4305ad2c6fbf946622"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabade813042a8c79ddb2f4ecf84620cf8" id="r_gabade813042a8c79ddb2f4ecf84620cf8"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gabade813042a8c79ddb2f4ecf84620cf8">rcGetHeightFieldSpanCount</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const <a class="el" href="structrcHeightfield.html">rcHeightfield</a> &amp;heightfield)</td></tr>
<tr class="memdesc:gabade813042a8c79ddb2f4ecf84620cf8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of spans contained in the specified heightfield. <br /></td></tr>
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<tr class="memitem:ga3dc179b83cb925eb6602cd06123bf038" id="r_ga3dc179b83cb925eb6602cd06123bf038"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga3dc179b83cb925eb6602cd06123bf038">rcBuildCompactHeightfield</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const int walkableHeight, const int walkableClimb, const <a class="el" href="structrcHeightfield.html">rcHeightfield</a> &amp;heightfield, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:ga3dc179b83cb925eb6602cd06123bf038"><td class="mdescLeft">&#160;</td><td class="mdescRight">Builds a compact heightfield representing open space, from a heightfield representing solid space. <br /></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a60b906db15ec95753e2c46d85ac1f5a7">&#9670;&#160;</a></span>calcTriNormal()</h2>
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<td class="memname">static void calcTriNormal </td>
<td>(</td>
<td class="paramtype">const float *&#160;</td>
<td class="paramname"><em>v0</em>, </td>
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<td class="paramtype">const float *&#160;</td>
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<td class="paramtype">const float *&#160;</td>
<td class="paramname"><em>v2</em>, </td>
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<a id="a27c978b5bf2b857ec501ebd86c4e5981" name="a27c978b5bf2b857ec501ebd86c4e5981"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a27c978b5bf2b857ec501ebd86c4e5981">&#9670;&#160;</a></span>rcSqrt()</h2>
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<td class="memname">float rcSqrt </td>
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<td class="paramtype">float&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns the square root of the value. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">x</td><td>The value. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The square root of the vlaue. </dd></dl>
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