171 lines
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171 lines
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<a href="#pub-attribs">Public Attributes</a> |
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<div class="title">PxBroadPhaseRegion Struct Reference<div class="ingroups"><a class="el" href="group__physics.html">Physics</a></div></div> </div>
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<p>"Region of interest" for the broad-phase.
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<a href="structPxBroadPhaseRegion.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="PxBroadPhase_8h_source.html">PxBroadPhase.h</a>></code></p>
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Collaboration diagram for PxBroadPhaseRegion:</div>
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<map name="PxBroadPhaseRegion_coll__map" id="PxBroadPhaseRegion_coll__map">
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<area shape="rect" id="node2" href="classPxBounds3.html" title="Class representing 3D range or axis aligned bounding box. " alt="" coords="35,109,125,136"/>
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<area shape="rect" id="node3" href="classPxVec3.html" title="3 Element vector class. " alt="" coords="46,5,114,32"/>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public Attributes</h2></td></tr>
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<tr class="memitem:ae13e89ca861565e52680e073da3e4043"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classPxBounds3.html">PxBounds3</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxBroadPhaseRegion.html#ae13e89ca861565e52680e073da3e4043">bounds</a></td></tr>
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<tr class="memdesc:ae13e89ca861565e52680e073da3e4043"><td class="mdescLeft"> </td><td class="mdescRight">Region's bounds. <a href="#ae13e89ca861565e52680e073da3e4043">More...</a><br /></td></tr>
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<tr class="separator:ae13e89ca861565e52680e073da3e4043"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a71ea61caf0560a874bd7fb53cea525b4"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structPxBroadPhaseRegion.html#a71ea61caf0560a874bd7fb53cea525b4">userData</a></td></tr>
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<tr class="memdesc:a71ea61caf0560a874bd7fb53cea525b4"><td class="mdescLeft"> </td><td class="mdescRight">Region's user-provided data. <a href="#a71ea61caf0560a874bd7fb53cea525b4">More...</a><br /></td></tr>
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<tr class="separator:a71ea61caf0560a874bd7fb53cea525b4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>"Region of interest" for the broad-phase. </p>
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<p>This is currently only used for the <a class="el" href="structPxBroadPhaseType.html#ac7422f895533bff02d0043d35a2b7ddaabe0a5c309436a84e58c227c548fa17da" title="Multi box pruning. ">PxBroadPhaseType::eMBP</a> broad-phase, which requires zones or regions to be defined when the simulation starts in order to work. Regions can overlap and be added or removed at runtime, but at least one region needs to be defined when the scene is created.</p>
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<p>If objects that do no overlap any region are inserted into the scene, they will not be added to the broad-phase and thus collisions will be disabled for them. A <a class="el" href="classPxBroadPhaseCallback.html" title="Broad-phase callback to receive broad-phase related events. ">PxBroadPhaseCallback</a> out-of-bounds notification will be sent for each one of those objects.</p>
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<p>The total number of regions is limited by <a class="el" href="structPxBroadPhaseCaps.html#aeff3784c87ac5de06aa45e086724df23" title="Max number of regions supported by the broad-phase. ">PxBroadPhaseCaps::maxNbRegions</a>.</p>
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<p>The number of regions has a direct impact on performance and memory usage, so it is recommended to experiment with various settings to find the best combination for your game. A good default setup is to start with global bounds around the whole world, and subdivide these bounds into 4*4 regions. The <a class="el" href="classPxBroadPhaseExt.html#a24301db187094029361f8d63fda7c274" title="Creates regions for PxSceneDesc, from a global box. ">PxBroadPhaseExt::createRegionsFromWorldBounds</a> function can do that for you.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPxBroadPhaseCallback.html" title="Broad-phase callback to receive broad-phase related events. ">PxBroadPhaseCallback</a> <a class="el" href="classPxBroadPhaseExt.html#a24301db187094029361f8d63fda7c274" title="Creates regions for PxSceneDesc, from a global box. ">PxBroadPhaseExt.createRegionsFromWorldBounds</a> </dd></dl>
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</div><h2 class="groupheader">Member Data Documentation</h2>
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<a id="ae13e89ca861565e52680e073da3e4043"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae13e89ca861565e52680e073da3e4043">◆ </a></span>bounds</h2>
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<td class="memname"><a class="el" href="classPxBounds3.html">PxBounds3</a> PxBroadPhaseRegion::bounds</td>
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<p>Region's bounds. </p>
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</div>
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<a id="a71ea61caf0560a874bd7fb53cea525b4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a71ea61caf0560a874bd7fb53cea525b4">◆ </a></span>userData</h2>
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<td class="memname">void* PxBroadPhaseRegion::userData</td>
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<p>Region's user-provided data. </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<li><a class="el" href="PxBroadPhase_8h_source.html">PxBroadPhase.h</a></li>
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<li class="footer">Copyright © 2008-2021 NVIDIA Corporation, 2788 San Tomas Expressway, Santa Clara, CA 95051 U.S.A. All rights reserved. <a href="http://www.nvidia.com ">www.nvidia.com</a></li>
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