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<title>NVIDIA(R) PhysX(R) SDK 3.4 API Reference: PxTriangleMeshDesc Class Reference</title>
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<h1>PxTriangleMeshDesc Class Reference<br>
<small>
[<a class="el" href="group__cooking.html">Cooking</a>]</small>
</h1><!-- doxytag: class="PxTriangleMeshDesc" --><!-- doxytag: inherits="PxSimpleTriangleMesh" -->Descriptor class for <a class="el" href="classPxTriangleMesh.html" title="A triangle mesh, also called a 'polygon soup'.">PxTriangleMesh</a>.
<a href="#_details">More...</a>
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<code>#include <<a class="el" href="PxTriangleMeshDesc_8h-source.html">PxTriangleMeshDesc.h</a>></code>
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Inheritance diagram for PxTriangleMeshDesc:</div>
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<p><center><img src="classPxTriangleMeshDesc__inherit__graph.png" border="0" usemap="#PxTriangleMeshDesc__inherit__map" alt="Inheritance graph"></center>
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<area shape="rect" href="classPxSimpleTriangleMesh.html" title="A structure describing a triangle mesh." alt="PxSimpleTriangleMesh" coords="7,16,153,37"></map>
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Collaboration diagram for PxTriangleMeshDesc:</div>
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<p><center><img src="classPxTriangleMeshDesc__coll__graph.png" border="0" usemap="#PxTriangleMeshDesc__coll__map" alt="Collaboration graph"></center>
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<area shape="rect" href="classPxSimpleTriangleMesh.html" title="A structure describing a triangle mesh." alt="PxSimpleTriangleMesh" coords="97,195,244,216"><area shape="rect" href="classPxFlags.html" title="PxFlags\< PxMeshFlag::Enum, PxU16 \>" alt="PxFlags\< PxMeshFlag::Enum, PxU16 \>" coords="7,88,247,109"><area shape="rect" href="structPxBoundedData.html" title="PxBoundedData" alt="PxBoundedData" coords="271,88,375,109"><area shape="rect" href="structPxStridedData.html" title="PxStridedData" alt="PxStridedData" coords="276,16,369,37"><area shape="rect" href="structPxTypedStridedData.html" title="PxTypedStridedData\< PxMaterialTableIndex \>" alt="PxTypedStridedData\< PxMaterialTableIndex \>" coords="268,195,545,216"></map>
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<a href="classPxTriangleMeshDesc-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cooking.html#g15d3050ac143dfb67ad43a8682c7b569">PxTriangleMeshDesc</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor sets to default. <a href="group__cooking.html#g15d3050ac143dfb67ad43a8682c7b569"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cooking.html#gfd882da42844238f9a91e5754694391e">setToDefault</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">(re)sets the structure to the default. <a href="group__cooking.html#gfd882da42844238f9a91e5754694391e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PX_INLINE bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cooking.html#gb15c89f8d8d8723d3697cce47ef24b01">isValid</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the descriptor is valid. <a href="group__cooking.html#gb15c89f8d8d8723d3697cce47ef24b01"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structPxTypedStridedData.html">PxTypedStridedData</a><br class="typebreak">
< <a class="el" href="group__common.html#gc816bc62a68a52f01bf21f963295e822">PxMaterialTableIndex</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classPxTriangleMeshDesc.html#138ca14d6cad6d86484c8ecd9f96d46f">materialIndices</a></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Descriptor class for <a class="el" href="classPxTriangleMesh.html" title="A triangle mesh, also called a 'polygon soup'.">PxTriangleMesh</a>.
<p>
Note that this class is derived from <a class="el" href="classPxSimpleTriangleMesh.html" title="A structure describing a triangle mesh.">PxSimpleTriangleMesh</a> which contains the members that describe the basic mesh. The mesh data is *copied* when an <a class="el" href="classPxTriangleMesh.html" title="A triangle mesh, also called a 'polygon soup'.">PxTriangleMesh</a> object is created from this descriptor. After the call the user may discard the triangle data.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classPxTriangleMesh.html" title="A triangle mesh, also called a 'polygon soup'.">PxTriangleMesh</a> <a class="el" href="classPxTriangleMeshGeometry.html" title="Triangle mesh geometry class.">PxTriangleMeshGeometry</a> <a class="el" href="classPxShape.html" title="Abstract class for collision shapes.">PxShape</a> </dd></dl>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="138ca14d6cad6d86484c8ecd9f96d46f"></a><!-- doxytag: member="PxTriangleMeshDesc::materialIndices" ref="138ca14d6cad6d86484c8ecd9f96d46f" args="" -->
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<td class="memname"><a class="el" href="structPxTypedStridedData.html">PxTypedStridedData</a><<a class="el" href="group__common.html#gc816bc62a68a52f01bf21f963295e822">PxMaterialTableIndex</a>> <a class="el" href="classPxTriangleMeshDesc.html#138ca14d6cad6d86484c8ecd9f96d46f">PxTriangleMeshDesc::materialIndices</a> </td>
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<p>
Optional pointer to first material index, or NULL. There are PxSimpleTriangleMesh::numTriangles indices in total. Caller may add materialIndexStride bytes to the pointer to access the next triangle.<p>
When a triangle mesh collides with another object, a material is required at the collision point. If materialIndices is NULL, then the material of the <a class="el" href="classPxShape.html" title="Abstract class for collision shapes.">PxShape</a> instance is used. Otherwise, if the point of contact is on a triangle with index i, then the material index is determined as: PxMaterialTableIndex index = *(PxMaterialTableIndex *)(((PxU8*)materialIndices) + materialIndexStride * i);<p>
If the contact point falls on a vertex or an edge, a triangle adjacent to the vertex or edge is selected, and its index used to look up a material. The selection is arbitrary but consistent over time.<p>
<b>Default:</b> NULL<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd>materialIndexStride </dd></dl>
<p>Referenced by <a class="el" href="PxTriangleMeshDesc_8h-source.html#l00103">isValid()</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="PxTriangleMeshDesc_8h-source.html">PxTriangleMeshDesc.h</a></ul>
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