cpp
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JoltPhysics
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   <div id="projectbrief">A multi core friendly Game Physics Engine</div>
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<a href="#nested-classes">Classes</a> &#124;
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  <div class="headertitle"><div class="title">QuadTree Class Reference</div></div>
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<p><code>#include &lt;<a class="el" href="_quad_tree_8h_source.html">QuadTree.h</a>&gt;</code></p>
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Inheritance diagram for QuadTree:</div>
<div class="dyncontent">
 <div class="center">
  <img src="class_quad_tree.png" usemap="#QuadTree_map" alt=""/>
  <map id="QuadTree_map" name="QuadTree_map">
<area href="class_non_copyable.html" title="Class that makes another class non-copyable. Usage: Inherit from NonCopyable." alt="NonCopyable" shape="rect" coords="0,0,89,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Temporary data structure to pass information between AddBodiesPrepare and AddBodiesFinalize/Abort.  <a href="struct_quad_tree_1_1_add_state.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_quad_tree_1_1_tracking.html">Tracking</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Data to track location of a <a class="el" href="class_body.html">Body</a> in the tree.  <a href="struct_quad_tree_1_1_tracking.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_quad_tree_1_1_update_state.html">UpdateState</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-types" name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aec53c63c36f1185bd75623cbc27830d6" id="r_aec53c63c36f1185bd75623cbc27830d6"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aec53c63c36f1185bd75623cbc27830d6">Allocator</a> = <a class="el" href="class_fixed_size_free_list.html">FixedSizeFreeList</a>&lt;Node&gt;</td></tr>
<tr class="memdesc:aec53c63c36f1185bd75623cbc27830d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Class that allocates tree nodes, can be shared between multiple trees.  <br /></td></tr>
<tr class="separator:aec53c63c36f1185bd75623cbc27830d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad70bd0403f84927b007159eeaebf85c1" id="r_ad70bd0403f84927b007159eeaebf85c1"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="struct_quad_tree_1_1_tracking.html">Tracking</a>&gt;</td></tr>
<tr class="separator:ad70bd0403f84927b007159eeaebf85c1"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a236dde2058a3ccf2babbe4a289327b30" id="r_a236dde2058a3ccf2babbe4a289327b30"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a236dde2058a3ccf2babbe4a289327b30">~QuadTree</a> ()</td></tr>
<tr class="memdesc:a236dde2058a3ccf2babbe4a289327b30"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <br /></td></tr>
<tr class="separator:a236dde2058a3ccf2babbe4a289327b30"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf7d2b7bd81dd1d8a533bfa5df4a239c" id="r_adf7d2b7bd81dd1d8a533bfa5df4a239c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#adf7d2b7bd81dd1d8a533bfa5df4a239c">SetName</a> (const char *inName)</td></tr>
<tr class="memdesc:adf7d2b7bd81dd1d8a533bfa5df4a239c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Name of the tree for debugging purposes.  <br /></td></tr>
<tr class="separator:adf7d2b7bd81dd1d8a533bfa5df4a239c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a06027549b2942685a32f433f9c304d03" id="r_a06027549b2942685a32f433f9c304d03"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a06027549b2942685a32f433f9c304d03">GetName</a> () const</td></tr>
<tr class="separator:a06027549b2942685a32f433f9c304d03"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0f40b5da772779a14a6d6aedd28ae8a0" id="r_a0f40b5da772779a14a6d6aedd28ae8a0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a0f40b5da772779a14a6d6aedd28ae8a0">HasBodies</a> () const</td></tr>
<tr class="memdesc:a0f40b5da772779a14a6d6aedd28ae8a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if there is anything in the tree.  <br /></td></tr>
<tr class="separator:a0f40b5da772779a14a6d6aedd28ae8a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a92ac4f8879ce137be588d0c9f1d0582c" id="r_a92ac4f8879ce137be588d0c9f1d0582c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a92ac4f8879ce137be588d0c9f1d0582c">IsDirty</a> () const</td></tr>
<tr class="memdesc:a92ac4f8879ce137be588d0c9f1d0582c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if the tree needs an UpdatePrepare/Finalize()  <br /></td></tr>
<tr class="separator:a92ac4f8879ce137be588d0c9f1d0582c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa88f08218784b62ffdf8596c74f690d6" id="r_aa88f08218784b62ffdf8596c74f690d6"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa88f08218784b62ffdf8596c74f690d6">CanBeUpdated</a> () const</td></tr>
<tr class="memdesc:aa88f08218784b62ffdf8596c74f690d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if this tree can get an UpdatePrepare/Finalize() or if it needs a <a class="el" href="#a6e7b9e3242b2af8c7ba11d9b6eeb0d64" title="Will throw away the previous frame&#39;s nodes so that we can start building a new tree in the background...">DiscardOldTree()</a> first.  <br /></td></tr>
<tr class="separator:aa88f08218784b62ffdf8596c74f690d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a61023e566be172a288dfcd728118ec46" id="r_a61023e566be172a288dfcd728118ec46"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a61023e566be172a288dfcd728118ec46">Init</a> (<a class="el" href="#aec53c63c36f1185bd75623cbc27830d6">Allocator</a> &amp;inAllocator)</td></tr>
<tr class="memdesc:a61023e566be172a288dfcd728118ec46"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialization.  <br /></td></tr>
<tr class="separator:a61023e566be172a288dfcd728118ec46"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6e7b9e3242b2af8c7ba11d9b6eeb0d64" id="r_a6e7b9e3242b2af8c7ba11d9b6eeb0d64"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6e7b9e3242b2af8c7ba11d9b6eeb0d64">DiscardOldTree</a> ()</td></tr>
<tr class="memdesc:a6e7b9e3242b2af8c7ba11d9b6eeb0d64"><td class="mdescLeft">&#160;</td><td class="mdescRight">Will throw away the previous frame's nodes so that we can start building a new tree in the background.  <br /></td></tr>
<tr class="separator:a6e7b9e3242b2af8c7ba11d9b6eeb0d64"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a809502262f3bd9d11318763758ae6e7e" id="r_a809502262f3bd9d11318763758ae6e7e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_a_a_box.html">AABox</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a809502262f3bd9d11318763758ae6e7e">GetBounds</a> () const</td></tr>
<tr class="memdesc:a809502262f3bd9d11318763758ae6e7e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the bounding box for this tree.  <br /></td></tr>
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<tr class="memitem:ad819632f6a3b9912462c731eb017cd4f" id="r_ad819632f6a3b9912462c731eb017cd4f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad819632f6a3b9912462c731eb017cd4f">UpdatePrepare</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;ioTracking, <a class="el" href="struct_quad_tree_1_1_update_state.html">UpdateState</a> &amp;outUpdateState, bool inFullRebuild)</td></tr>
<tr class="separator:ad819632f6a3b9912462c731eb017cd4f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a95788f7c5352a8b053be1ac426d5536d" id="r_a95788f7c5352a8b053be1ac426d5536d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a95788f7c5352a8b053be1ac426d5536d">UpdateFinalize</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking, const <a class="el" href="struct_quad_tree_1_1_update_state.html">UpdateState</a> &amp;inUpdateState)</td></tr>
<tr class="separator:a95788f7c5352a8b053be1ac426d5536d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a79ce6a7e423da6a09ff4be8e7f6d453c" id="r_a79ce6a7e423da6a09ff4be8e7f6d453c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a79ce6a7e423da6a09ff4be8e7f6d453c">AddBodiesPrepare</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;ioTracking, <a class="el" href="class_body_i_d.html">BodyID</a> *ioBodyIDs, int inNumber, <a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;outState)</td></tr>
<tr class="separator:a79ce6a7e423da6a09ff4be8e7f6d453c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaf165671ff225afec0336dca906f9219" id="r_aaf165671ff225afec0336dca906f9219"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aaf165671ff225afec0336dca906f9219">AddBodiesFinalize</a> (<a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;ioTracking, int inNumberBodies, const <a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;inState)</td></tr>
<tr class="memdesc:aaf165671ff225afec0336dca906f9219"><td class="mdescLeft">&#160;</td><td class="mdescRight">Finalize adding bodies to the quadtree, supply the same number of bodies as in AddBodiesPrepare.  <br /></td></tr>
<tr class="separator:aaf165671ff225afec0336dca906f9219"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3f04fc0ab8ec76c39e7e4ac4679e6ffa" id="r_a3f04fc0ab8ec76c39e7e4ac4679e6ffa"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3f04fc0ab8ec76c39e7e4ac4679e6ffa">AddBodiesAbort</a> (<a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;ioTracking, const <a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;inState)</td></tr>
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<tr class="memitem:ae87cda722c454860d1566a6c5f4b11dc" id="r_ae87cda722c454860d1566a6c5f4b11dc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae87cda722c454860d1566a6c5f4b11dc">RemoveBodies</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;ioTracking, const <a class="el" href="class_body_i_d.html">BodyID</a> *ioBodyIDs, int inNumber)</td></tr>
<tr class="memdesc:ae87cda722c454860d1566a6c5f4b11dc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove inNumber bodies in ioBodyIDs from the quadtree.  <br /></td></tr>
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<tr class="memitem:a903406946b47220890c1a2091a5c38ad" id="r_a903406946b47220890c1a2091a5c38ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a903406946b47220890c1a2091a5c38ad">NotifyBodiesAABBChanged</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking, const <a class="el" href="class_body_i_d.html">BodyID</a> *ioBodyIDs, int inNumber)</td></tr>
<tr class="memdesc:a903406946b47220890c1a2091a5c38ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Call whenever the aabb of a body changes.  <br /></td></tr>
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<tr class="memitem:a0f4c8a4eaa9c665153582c4a1e974457" id="r_a0f4c8a4eaa9c665153582c4a1e974457"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a0f4c8a4eaa9c665153582c4a1e974457">CastRay</a> (const <a class="el" href="struct_ray_cast.html">RayCast</a> &amp;inRay, <a class="el" href="_broad_phase_query_8h.html#a398068f8b89e507b29d1a3d89471a5bb">RayCastBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:a0f4c8a4eaa9c665153582c4a1e974457"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cast a ray and get the intersecting bodies in ioCollector.  <br /></td></tr>
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<tr class="memitem:a894acaffc70d6ef992626359b3c65284" id="r_a894acaffc70d6ef992626359b3c65284"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a894acaffc70d6ef992626359b3c65284">CollideAABox</a> (const <a class="el" href="class_a_a_box.html">AABox</a> &amp;inBox, <a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:a894acaffc70d6ef992626359b3c65284"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get bodies intersecting with inBox in ioCollector.  <br /></td></tr>
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<tr class="memitem:ab83e557e1224ba241789ce7d7da982de" id="r_ab83e557e1224ba241789ce7d7da982de"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ab83e557e1224ba241789ce7d7da982de">CollideSphere</a> (<a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inCenter, float inRadius, <a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:ab83e557e1224ba241789ce7d7da982de"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get bodies intersecting with a sphere in ioCollector.  <br /></td></tr>
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<tr class="memitem:ab5538217d4a9a42986da28d64b65740d" id="r_ab5538217d4a9a42986da28d64b65740d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ab5538217d4a9a42986da28d64b65740d">CollidePoint</a> (<a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a> inPoint, <a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:ab5538217d4a9a42986da28d64b65740d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get bodies intersecting with a point and any hits to ioCollector.  <br /></td></tr>
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<tr class="memitem:a3bcf63c8fc180d29f75794e979399756" id="r_a3bcf63c8fc180d29f75794e979399756"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3bcf63c8fc180d29f75794e979399756">CollideOrientedBox</a> (const <a class="el" href="class_oriented_box.html">OrientedBox</a> &amp;inBox, <a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:a3bcf63c8fc180d29f75794e979399756"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get bodies intersecting with an oriented box and any hits to ioCollector.  <br /></td></tr>
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<tr class="memitem:aa28951f663c136f9b3faee823393cc1b" id="r_aa28951f663c136f9b3faee823393cc1b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa28951f663c136f9b3faee823393cc1b">CastAABox</a> (const <a class="el" href="struct_a_a_box_cast.html">AABoxCast</a> &amp;inBox, <a class="el" href="_broad_phase_query_8h.html#adec8e742b1ef969e096cfd4e19902353">CastShapeBodyCollector</a> &amp;ioCollector, const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;inObjectLayerFilter, const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;inTracking) const</td></tr>
<tr class="memdesc:aa28951f663c136f9b3faee823393cc1b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cast a box and get intersecting bodies in ioCollector.  <br /></td></tr>
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<tr class="memitem:a1752afb7a82b6ca130cfbad4f4f02c4e" id="r_a1752afb7a82b6ca130cfbad4f4f02c4e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1752afb7a82b6ca130cfbad4f4f02c4e">FindCollidingPairs</a> (const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;inBodies, const <a class="el" href="class_body_i_d.html">BodyID</a> *inActiveBodies, int inNumActiveBodies, float inSpeculativeContactDistance, <a class="el" href="_broad_phase_8h.html#a79c28d9ca80b345aca4b3ab03ab8f82a">BodyPairCollector</a> &amp;ioPairCollector, const <a class="el" href="class_object_layer_pair_filter.html">ObjectLayerPairFilter</a> &amp;inObjectLayerPairFilter) const</td></tr>
<tr class="memdesc:a1752afb7a82b6ca130cfbad4f4f02c4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find all colliding pairs between dynamic bodies, calls ioPairCollector for every pair found.  <br /></td></tr>
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<tr class="inherit_header pub_methods_class_non_copyable"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_non_copyable')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_non_copyable.html">NonCopyable</a></td></tr>
<tr class="memitem:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable" id="r_a809b6e4ade7ae32f6d248f2a3b783d45"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#a809b6e4ade7ae32f6d248f2a3b783d45">NonCopyable</a> ()=default</td></tr>
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<tr class="memitem:a501d34ffcc34b30de6d541887a901057 inherit pub_methods_class_non_copyable" id="r_a501d34ffcc34b30de6d541887a901057"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#a501d34ffcc34b30de6d541887a901057">NonCopyable</a> (const <a class="el" href="class_non_copyable.html">NonCopyable</a> &amp;)=delete</td></tr>
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<tr class="memitem:aaf9b12dcaae80c9d304df7a941d4e21f inherit pub_methods_class_non_copyable" id="r_aaf9b12dcaae80c9d304df7a941d4e21f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#aaf9b12dcaae80c9d304df7a941d4e21f">operator=</a> (const <a class="el" href="class_non_copyable.html">NonCopyable</a> &amp;)=delete</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Internal tree structure in broadphase, is essentially a quad AABB tree. Tree is lockless (except for UpdatePrepare/Finalize() function), modifying objects in the tree will widen the aabbs of parent nodes to make the node fit. During the UpdatePrepare/Finalize() call the tree is rebuilt to achieve a tight fit again. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aec53c63c36f1185bd75623cbc27830d6">&#9670;&#160;</a></span>Allocator</h2>

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          <td class="memname">using <a class="el" href="#aec53c63c36f1185bd75623cbc27830d6">QuadTree::Allocator</a> = <a class="el" href="class_fixed_size_free_list.html">FixedSizeFreeList</a>&lt;Node&gt;</td>
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<p>Class that allocates tree nodes, can be shared between multiple trees. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad70bd0403f84927b007159eeaebf85c1">&#9670;&#160;</a></span>TrackingVector</h2>

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          <td class="memname">using <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">QuadTree::TrackingVector</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="struct_quad_tree_1_1_tracking.html">Tracking</a>&gt;</td>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a236dde2058a3ccf2babbe4a289327b30">&#9670;&#160;</a></span>~QuadTree()</h2>

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          <td class="memname">QuadTree::~QuadTree </td>
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<p>Destructor. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a3f04fc0ab8ec76c39e7e4ac4679e6ffa">&#9670;&#160;</a></span>AddBodiesAbort()</h2>

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          <td class="memname">void QuadTree::AddBodiesAbort </td>
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          <td class="paramtype"><a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioTracking</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inState</em></span>&#160;)</td>
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<p>Abort adding bodies to the quadtree, supply the same bodies and state as in AddBodiesPrepare. This can be done on a background thread without influencing the broadphase. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aaf165671ff225afec0336dca906f9219">&#9670;&#160;</a></span>AddBodiesFinalize()</h2>

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          <td class="memname">void QuadTree::AddBodiesFinalize </td>
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          <td class="paramtype"><a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioTracking</em></span>, </td>
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          <td class="paramtype">int</td>          <td class="paramname"><span class="paramname"><em>inNumberBodies</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inState</em></span>&#160;)</td>
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<p>Finalize adding bodies to the quadtree, supply the same number of bodies as in AddBodiesPrepare. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a79ce6a7e423da6a09ff4be8e7f6d453c">&#9670;&#160;</a></span>AddBodiesPrepare()</h2>

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          <td class="memname">void QuadTree::AddBodiesPrepare </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype"><a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioTracking</em></span>, </td>
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          <td class="paramtype"><a class="el" href="class_body_i_d.html">BodyID</a> *</td>          <td class="paramname"><span class="paramname"><em>ioBodyIDs</em></span>, </td>
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          <td class="paramtype">int</td>          <td class="paramname"><span class="paramname"><em>inNumber</em></span>, </td>
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          <td class="paramtype"><a class="el" href="struct_quad_tree_1_1_add_state.html">AddState</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>outState</em></span>&#160;)</td>
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<p>Prepare adding inNumber bodies at ioBodyIDs to the quad tree, returns the state in outState that should be used in AddBodiesFinalize. This can be done on a background thread without influencing the broadphase. ioBodyIDs may be shuffled around by this function. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa88f08218784b62ffdf8596c74f690d6">&#9670;&#160;</a></span>CanBeUpdated()</h2>

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<p>Check if this tree can get an UpdatePrepare/Finalize() or if it needs a <a class="el" href="#a6e7b9e3242b2af8c7ba11d9b6eeb0d64" title="Will throw away the previous frame&#39;s nodes so that we can start building a new tree in the background...">DiscardOldTree()</a> first. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa28951f663c136f9b3faee823393cc1b">&#9670;&#160;</a></span>CastAABox()</h2>

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          <td class="memname">void QuadTree::CastAABox </td>
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          <td class="paramtype">const <a class="el" href="struct_a_a_box_cast.html">AABoxCast</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBox</em></span>, </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#adec8e742b1ef969e096cfd4e19902353">CastShapeBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inTracking</em></span>&#160;) const</td>
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<p>Cast a box and get intersecting bodies in ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized, this allows us to resize the fraction stack to match the new stack size</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a0f4c8a4eaa9c665153582c4a1e974457">&#9670;&#160;</a></span>CastRay()</h2>

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          <td class="memname">void QuadTree::CastRay </td>
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          <td class="paramtype">const <a class="el" href="struct_ray_cast.html">RayCast</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inRay</em></span>, </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#a398068f8b89e507b29d1a3d89471a5bb">RayCastBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inTracking</em></span>&#160;) const</td>
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<p>Cast a ray and get the intersecting bodies in ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized, this allows us to resize the fraction stack to match the new stack size</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a894acaffc70d6ef992626359b3c65284">&#9670;&#160;</a></span>CollideAABox()</h2>

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          <td class="memname">void QuadTree::CollideAABox </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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<p>Get bodies intersecting with inBox in ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a3bcf63c8fc180d29f75794e979399756">&#9670;&#160;</a></span>CollideOrientedBox()</h2>

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          <td class="memname">void QuadTree::CollideOrientedBox </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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<p>Get bodies intersecting with an oriented box and any hits to ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab5538217d4a9a42986da28d64b65740d">&#9670;&#160;</a></span>CollidePoint()</h2>

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          <td class="memname">void QuadTree::CollidePoint </td>
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          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inPoint</em></span>, </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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<p>Get bodies intersecting with a point and any hits to ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab83e557e1224ba241789ce7d7da982de">&#9670;&#160;</a></span>CollideSphere()</h2>

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          <td class="memname">void QuadTree::CollideSphere </td>
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          <td class="paramtype"><a class="el" href="_math_types_8h.html#a6bc57c31f15cea47640b580d03737c68">Vec3Arg</a></td>          <td class="paramname"><span class="paramname"><em>inCenter</em></span>, </td>
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          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inRadius</em></span>, </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_query_8h.html#acb6931761cab44f04e48cfb6ebc7fa7b">CollideShapeBodyCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_filter.html">ObjectLayerFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerFilter</em></span>, </td>
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<p>Get bodies intersecting with a sphere in ioCollector. </p>
<p>Constructor</p>
<p>Returns true if further processing of the tree should be aborted</p>
<p>Returns true if this node / body should be visited, false if no hit can be generated</p>
<p>Visit nodes, returns number of hits found and sorts ioChildNodeIDs so that they are at the beginning of the vector.</p>
<p>Visit a body, returns false if the algorithm should terminate because no hits can be generated anymore</p>
<p>Called when the stack is resized</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a6e7b9e3242b2af8c7ba11d9b6eeb0d64">&#9670;&#160;</a></span>DiscardOldTree()</h2>

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          <td class="memname">void QuadTree::DiscardOldTree </td>
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<p>Will throw away the previous frame's nodes so that we can start building a new tree in the background. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a1752afb7a82b6ca130cfbad4f4f02c4e">&#9670;&#160;</a></span>FindCollidingPairs()</h2>

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          <td class="memname">void QuadTree::FindCollidingPairs </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_body_i_d.html">BodyID</a> *</td>          <td class="paramname"><span class="paramname"><em>inActiveBodies</em></span>, </td>
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          <td class="paramtype">float</td>          <td class="paramname"><span class="paramname"><em>inSpeculativeContactDistance</em></span>, </td>
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          <td class="paramtype"><a class="el" href="_broad_phase_8h.html#a79c28d9ca80b345aca4b3ab03ab8f82a">BodyPairCollector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioPairCollector</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_object_layer_pair_filter.html">ObjectLayerPairFilter</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inObjectLayerPairFilter</em></span>&#160;) const</td>
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<p>Find all colliding pairs between dynamic bodies, calls ioPairCollector for every pair found. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a809502262f3bd9d11318763758ae6e7e">&#9670;&#160;</a></span>GetBounds()</h2>

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          <td class="memname"><a class="el" href="class_a_a_box.html">AABox</a> QuadTree::GetBounds </td>
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<p>Get the bounding box for this tree. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a06027549b2942685a32f433f9c304d03">&#9670;&#160;</a></span>GetName()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a0f40b5da772779a14a6d6aedd28ae8a0">&#9670;&#160;</a></span>HasBodies()</h2>

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<p>Check if there is anything in the tree. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a61023e566be172a288dfcd728118ec46">&#9670;&#160;</a></span>Init()</h2>

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          <td class="memname">void QuadTree::Init </td>
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          <td class="paramtype"><a class="el" href="#aec53c63c36f1185bd75623cbc27830d6">Allocator</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inAllocator</em></span></td><td>)</td>
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<p>Initialization. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a92ac4f8879ce137be588d0c9f1d0582c">&#9670;&#160;</a></span>IsDirty()</h2>

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<p>Check if the tree needs an UpdatePrepare/Finalize() </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a903406946b47220890c1a2091a5c38ad">&#9670;&#160;</a></span>NotifyBodiesAABBChanged()</h2>

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          <td class="memname">void QuadTree::NotifyBodiesAABBChanged </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inTracking</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_body_i_d.html">BodyID</a> *</td>          <td class="paramname"><span class="paramname"><em>ioBodyIDs</em></span>, </td>
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<p>Call whenever the aabb of a body changes. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ae87cda722c454860d1566a6c5f4b11dc">&#9670;&#160;</a></span>RemoveBodies()</h2>

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          <td class="memname">void QuadTree::RemoveBodies </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype"><a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>ioTracking</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="class_body_i_d.html">BodyID</a> *</td>          <td class="paramname"><span class="paramname"><em>ioBodyIDs</em></span>, </td>
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<p>Remove inNumber bodies in ioBodyIDs from the quadtree. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#adf7d2b7bd81dd1d8a533bfa5df4a239c">&#9670;&#160;</a></span>SetName()</h2>

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          <td class="memname">void QuadTree::SetName </td>
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          <td class="paramtype">const char *</td>          <td class="paramname"><span class="paramname"><em>inName</em></span></td><td>)</td>
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<p>Name of the tree for debugging purposes. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a95788f7c5352a8b053be1ac426d5536d">&#9670;&#160;</a></span>UpdateFinalize()</h2>

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          <td class="memname">void QuadTree::UpdateFinalize </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="#ad70bd0403f84927b007159eeaebf85c1">TrackingVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inTracking</em></span>, </td>
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          <td class="paramtype">const <a class="el" href="struct_quad_tree_1_1_update_state.html">UpdateState</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inUpdateState</em></span>&#160;)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ad819632f6a3b9912462c731eb017cd4f">&#9670;&#160;</a></span>UpdatePrepare()</h2>

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          <td class="memname">void QuadTree::UpdatePrepare </td>
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          <td class="paramtype">const <a class="el" href="_body_manager_8h.html#ae4e246af993ca15dd65cd797e6bf7640">BodyVector</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inBodies</em></span>, </td>
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          <td class="paramtype"><a class="el" href="struct_quad_tree_1_1_update_state.html">UpdateState</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>outUpdateState</em></span>, </td>
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<p>Update the broadphase, needs to be called regularly to achieve a tight fit of the tree when bodies have been modified. <a class="el" href="#ad819632f6a3b9912462c731eb017cd4f">UpdatePrepare()</a> will build the tree, <a class="el" href="#a95788f7c5352a8b053be1ac426d5536d">UpdateFinalize()</a> will lock the root of the tree shortly and swap the trees and afterwards clean up temporary data structures. </p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>Jolt/Physics/Collision/BroadPhase/<a class="el" href="_quad_tree_8h_source.html">QuadTree.h</a></li>
<li>Jolt/Physics/Collision/BroadPhase/<a class="el" href="_quad_tree_8cpp.html">QuadTree.cpp</a></li>
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