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<a href="#func-members">Functions</a> &#124;
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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;string.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:a544f2c39b38253edc9d12e2f6567ae11" id="r_a544f2c39b38253edc9d12e2f6567ae11"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="RecastArea_8cpp.html#a544f2c39b38253edc9d12e2f6567ae11">insertSort</a> (unsigned char *data, const int dataLength)</td></tr>
<tr class="memdesc:a544f2c39b38253edc9d12e2f6567ae11"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sorts the given data in-place using insertion sort. <br /></td></tr>
<tr class="separator:a544f2c39b38253edc9d12e2f6567ae11"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1499638887cce3274469f05084c60f5d" id="r_a1499638887cce3274469f05084c60f5d"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="RecastArea_8cpp.html#a1499638887cce3274469f05084c60f5d">pointInPoly</a> (int numVerts, const float *verts, const float *point)</td></tr>
<tr class="memdesc:a1499638887cce3274469f05084c60f5d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks if a point is contained within a polygon. <br /></td></tr>
<tr class="separator:a1499638887cce3274469f05084c60f5d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf2bf6010fc80e9b6e8f4c0c1fef7a97f" id="r_gaf2bf6010fc80e9b6e8f4c0c1fef7a97f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gaf2bf6010fc80e9b6e8f4c0c1fef7a97f">rcErodeWalkableArea</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const int erosionRadius, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:gaf2bf6010fc80e9b6e8f4c0c1fef7a97f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Erodes the walkable area within the heightfield by the specified radius. <br /></td></tr>
<tr class="separator:gaf2bf6010fc80e9b6e8f4c0c1fef7a97f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga80e89976e7d6388f1a78ad622ef57bdf" id="r_ga80e89976e7d6388f1a78ad622ef57bdf"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga80e89976e7d6388f1a78ad622ef57bdf">rcMedianFilterWalkableArea</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:ga80e89976e7d6388f1a78ad622ef57bdf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Applies a median filter to walkable area types (based on area id), removing noise. <br /></td></tr>
<tr class="separator:ga80e89976e7d6388f1a78ad622ef57bdf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab76182beff7fc231b489c414b26e8638" id="r_gab76182beff7fc231b489c414b26e8638"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gab76182beff7fc231b489c414b26e8638">rcMarkBoxArea</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const float *boxMinBounds, const float *boxMaxBounds, unsigned char areaId, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:gab76182beff7fc231b489c414b26e8638"><td class="mdescLeft">&#160;</td><td class="mdescRight">Applies an area id to all spans within the specified bounding box. <br /></td></tr>
<tr class="separator:gab76182beff7fc231b489c414b26e8638"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0dee8037963c1452a25b3835f3e8d902" id="r_ga0dee8037963c1452a25b3835f3e8d902"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga0dee8037963c1452a25b3835f3e8d902">rcMarkConvexPolyArea</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const float *verts, const int numVerts, const float minY, const float maxY, unsigned char areaId, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:ga0dee8037963c1452a25b3835f3e8d902"><td class="mdescLeft">&#160;</td><td class="mdescRight">Applies the area id to the all spans within the specified convex polygon. <br /></td></tr>
<tr class="separator:ga0dee8037963c1452a25b3835f3e8d902"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac4b52279afe6cd37e7e3213e62fb1bab" id="r_ac4b52279afe6cd37e7e3213e62fb1bab"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="RecastArea_8cpp.html#ac4b52279afe6cd37e7e3213e62fb1bab">rcVsafeNormalize</a> (float *v)</td></tr>
<tr class="memdesc:ac4b52279afe6cd37e7e3213e62fb1bab"><td class="mdescLeft">&#160;</td><td class="mdescRight">Normalizes the vector if the length is greater than zero. <br /></td></tr>
<tr class="separator:ac4b52279afe6cd37e7e3213e62fb1bab"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gafbf610dce5157badc30bd847684a3f9c" id="r_gafbf610dce5157badc30bd847684a3f9c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#gafbf610dce5157badc30bd847684a3f9c">rcOffsetPoly</a> (const float *verts, const int numVerts, const float offset, float *outVerts, const int maxOutVerts)</td></tr>
<tr class="memdesc:gafbf610dce5157badc30bd847684a3f9c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Expands a convex polygon along its vertex normals by the given offset amount. <br /></td></tr>
<tr class="separator:gafbf610dce5157badc30bd847684a3f9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2c4bba9a06ae30ac063fba1a69a68cd9" id="r_ga2c4bba9a06ae30ac063fba1a69a68cd9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__recast.html#ga2c4bba9a06ae30ac063fba1a69a68cd9">rcMarkCylinderArea</a> (<a class="el" href="classrcContext.html">rcContext</a> *context, const float *position, const float radius, const float height, unsigned char areaId, <a class="el" href="structrcCompactHeightfield.html">rcCompactHeightfield</a> &amp;compactHeightfield)</td></tr>
<tr class="memdesc:ga2c4bba9a06ae30ac063fba1a69a68cd9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Applies the area id to all spans within the specified y-axis-aligned cylinder. <br /></td></tr>
<tr class="separator:ga2c4bba9a06ae30ac063fba1a69a68cd9"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ab84b0a39a5bcd3e4bd1a2d19b015bde9" id="r_ab84b0a39a5bcd3e4bd1a2d19b015bde9"><td class="memItemLeft" align="right" valign="top">static const float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="RecastArea_8cpp.html#ab84b0a39a5bcd3e4bd1a2d19b015bde9">EPSILON</a> = 1e-6f</td></tr>
<tr class="separator:ab84b0a39a5bcd3e4bd1a2d19b015bde9"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a544f2c39b38253edc9d12e2f6567ae11">&#9670;&#160;</a></span>insertSort()</h2>
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<td class="memname">static void insertSort </td>
<td>(</td>
<td class="paramtype">unsigned char *&#160;</td>
<td class="paramname"><em>data</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const int&#160;</td>
<td class="paramname"><em>dataLength</em>&#160;</td>
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<td>)</td>
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<p>Sorts the given data in-place using insertion sort. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>The data to sort </td></tr>
<tr><td class="paramname">dataLength</td><td>The number of elements in <code>data</code> </td></tr>
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</dd>
</dl>
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<a id="a1499638887cce3274469f05084c60f5d" name="a1499638887cce3274469f05084c60f5d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1499638887cce3274469f05084c60f5d">&#9670;&#160;</a></span>pointInPoly()</h2>
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<td class="memname">static bool pointInPoly </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>numVerts</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const float *&#160;</td>
<td class="paramname"><em>verts</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const float *&#160;</td>
<td class="paramname"><em>point</em>&#160;</td>
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<td>)</td>
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<p>Checks if a point is contained within a polygon. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">numVerts</td><td>Number of vertices in the polygon </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">verts</td><td>The polygon vertices </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">point</td><td>The point to check </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the point lies within the polygon, false otherwise. </dd></dl>
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<a id="ac4b52279afe6cd37e7e3213e62fb1bab" name="ac4b52279afe6cd37e7e3213e62fb1bab"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac4b52279afe6cd37e7e3213e62fb1bab">&#9670;&#160;</a></span>rcVsafeNormalize()</h2>
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<td class="memname">static void rcVsafeNormalize </td>
<td>(</td>
<td class="paramtype">float *&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Normalizes the vector if the length is greater than zero. </p>
<p>If the magnitude is zero, the vector is unchanged. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in,out]</td><td class="paramname">v</td><td>The vector to normalize. [(x, y, z)] </td></tr>
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</dd>
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<h2 class="groupheader">Variable Documentation</h2>
<a id="ab84b0a39a5bcd3e4bd1a2d19b015bde9" name="ab84b0a39a5bcd3e4bd1a2d19b015bde9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab84b0a39a5bcd3e4bd1a2d19b015bde9">&#9670;&#160;</a></span>EPSILON</h2>
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<td class="memname">const float EPSILON = 1e-6f</td>
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