cpp
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JoltPhysics
зеркало из https://github.com/jrouwe/JoltPhysics.git


			
				
					
						
						
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<a href="#nested-classes">Classes</a> &#124;
<a href="#pub-types">Public Types</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
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  <div class="headertitle"><div class="title">ConvexHullBuilder Class Reference</div></div>
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<p>A convex hull builder that tries to create hulls as accurately as possible. Used for offline processing.  
 <a href="#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="_convex_hull_builder_8h_source.html">ConvexHullBuilder.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for ConvexHullBuilder:</div>
<div class="dyncontent">
 <div class="center">
  <img src="class_convex_hull_builder.png" usemap="#ConvexHullBuilder_map" alt=""/>
  <map id="ConvexHullBuilder_map" name="ConvexHullBuilder_map">
<area href="class_non_copyable.html" title="Class that makes another class non-copyable. Usage: Inherit from NonCopyable." alt="NonCopyable" shape="rect" coords="0,0,117,24"/>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_convex_hull_builder_1_1_edge.html">Edge</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Class that holds the information of an edge.  <a href="class_convex_hull_builder_1_1_edge.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">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_convex_hull_builder_1_1_face.html">Face</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Class that holds the information of one face.  <a href="class_convex_hull_builder_1_1_face.html#details">More...</a><br /></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:aa49a23c340decb519ae98cfa2a9e469a" id="r_aa49a23c340decb519ae98cfa2a9e469a"><td class="memItemLeft" align="right" valign="top">enum class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa49a23c340decb519ae98cfa2a9e469a">EResult</a> { <br />
&#160;&#160;<a class="el" href="#aa49a23c340decb519ae98cfa2a9e469aa505a83f220c02df2f85c3810cd9ceb38">Success</a>
, <a class="el" href="#aa49a23c340decb519ae98cfa2a9e469aa7cc57ee56f4f29991173f4efa7a469e9">MaxVerticesReached</a>
, <a class="el" href="#aa49a23c340decb519ae98cfa2a9e469aa675071632f91d793892ece6ed205483f">TooFewPoints</a>
, <a class="el" href="#aa49a23c340decb519ae98cfa2a9e469aa04477b2749feb6999bd3cb1c9f6fd963">TooFewFaces</a>
, <br />
&#160;&#160;<a class="el" href="#aa49a23c340decb519ae98cfa2a9e469aa24c813faee6d26cc144bec89a984824d">Degenerate</a>
<br />
 }</td></tr>
<tr class="memdesc:aa49a23c340decb519ae98cfa2a9e469a"><td class="mdescLeft">&#160;</td><td class="mdescRight"><a class="el" href="class_result.html" title="Helper class that either contains a valid result or an error.">Result</a> enum that indicates how the hull got created.  <a href="#aa49a23c340decb519ae98cfa2a9e469a">More...</a><br /></td></tr>
<tr class="separator:aa49a23c340decb519ae98cfa2a9e469a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ace24021747e9c5b273b5ed357622564c" id="r_ace24021747e9c5b273b5ed357622564c"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ace24021747e9c5b273b5ed357622564c">ConflictList</a> = <a class="el" href="class_array.html">Array</a>&lt;int&gt;</td></tr>
<tr class="separator:ace24021747e9c5b273b5ed357622564c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae813b9da0b02f643f5075e121aa6880b" id="r_ae813b9da0b02f643f5075e121aa6880b"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae813b9da0b02f643f5075e121aa6880b">Positions</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="class_vec3.html">Vec3</a>&gt;</td></tr>
<tr class="separator:ae813b9da0b02f643f5075e121aa6880b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9f7a2eb095de53f76a7d3ea9198f7b4" id="r_ae9f7a2eb095de53f76a7d3ea9198f7b4"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae9f7a2eb095de53f76a7d3ea9198f7b4">Faces</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="class_convex_hull_builder_1_1_face.html">Face</a> *&gt;</td></tr>
<tr class="separator:ae9f7a2eb095de53f76a7d3ea9198f7b4"><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:a245e3c9f2ac5137c9ee5d66c9f7a7b9d" id="r_a245e3c9f2ac5137c9ee5d66c9f7a7b9d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a245e3c9f2ac5137c9ee5d66c9f7a7b9d">ConvexHullBuilder</a> (const <a class="el" href="#ae813b9da0b02f643f5075e121aa6880b">Positions</a> &amp;inPositions)</td></tr>
<tr class="memdesc:a245e3c9f2ac5137c9ee5d66c9f7a7b9d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <br /></td></tr>
<tr class="separator:a245e3c9f2ac5137c9ee5d66c9f7a7b9d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3182f05659156aba23773cd1cdb5c0cd" id="r_a3182f05659156aba23773cd1cdb5c0cd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3182f05659156aba23773cd1cdb5c0cd">~ConvexHullBuilder</a> ()</td></tr>
<tr class="memdesc:a3182f05659156aba23773cd1cdb5c0cd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <br /></td></tr>
<tr class="separator:a3182f05659156aba23773cd1cdb5c0cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa4a4a97fc8ae9e58c039b3c36d10c54" id="r_afa4a4a97fc8ae9e58c039b3c36d10c54"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#aa49a23c340decb519ae98cfa2a9e469a">EResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#afa4a4a97fc8ae9e58c039b3c36d10c54">Initialize</a> (int inMaxVertices, float inTolerance, const char *&amp;outError)</td></tr>
<tr class="separator:afa4a4a97fc8ae9e58c039b3c36d10c54"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af5deecbd010d00845107696af6797e63" id="r_af5deecbd010d00845107696af6797e63"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#af5deecbd010d00845107696af6797e63">GetNumVerticesUsed</a> () const</td></tr>
<tr class="memdesc:af5deecbd010d00845107696af6797e63"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the amount of vertices that are currently used by the hull.  <br /></td></tr>
<tr class="separator:af5deecbd010d00845107696af6797e63"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a423d9e378746f1e9d6edb19bb2afa11f" id="r_a423d9e378746f1e9d6edb19bb2afa11f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a423d9e378746f1e9d6edb19bb2afa11f">ContainsFace</a> (const <a class="el" href="class_array.html">Array</a>&lt; int &gt; &amp;inIndices) const</td></tr>
<tr class="memdesc:a423d9e378746f1e9d6edb19bb2afa11f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if the hull contains a polygon with inIndices (counter clockwise indices in mPositions)  <br /></td></tr>
<tr class="separator:a423d9e378746f1e9d6edb19bb2afa11f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e3fbe324250233f9a3d527004d08c09" id="r_a4e3fbe324250233f9a3d527004d08c09"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a4e3fbe324250233f9a3d527004d08c09">GetCenterOfMassAndVolume</a> (<a class="el" href="class_vec3.html">Vec3</a> &amp;outCenterOfMass, float &amp;outVolume) const</td></tr>
<tr class="memdesc:a4e3fbe324250233f9a3d527004d08c09"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate the center of mass and the volume of the current convex hull.  <br /></td></tr>
<tr class="separator:a4e3fbe324250233f9a3d527004d08c09"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aae519c2ae09443413ef0c9e91dd26076" id="r_aae519c2ae09443413ef0c9e91dd26076"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aae519c2ae09443413ef0c9e91dd26076">DetermineMaxError</a> (<a class="el" href="class_convex_hull_builder_1_1_face.html">Face</a> *&amp;outFaceWithMaxError, float &amp;outMaxError, int &amp;outMaxErrorPositionIdx, float &amp;outCoplanarDistance) const</td></tr>
<tr class="separator:aae519c2ae09443413ef0c9e91dd26076"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2eade6ba63e25c3bda4eaf159d1128ce" id="r_a2eade6ba63e25c3bda4eaf159d1128ce"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="#ae9f7a2eb095de53f76a7d3ea9198f7b4">Faces</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2eade6ba63e25c3bda4eaf159d1128ce">GetFaces</a> () const</td></tr>
<tr class="memdesc:a2eade6ba63e25c3bda4eaf159d1128ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Access to the created faces. Memory is owned by the convex hull builder.  <br /></td></tr>
<tr class="separator:a2eade6ba63e25c3bda4eaf159d1128ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
<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>
<tr class="separator:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
<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>
<tr class="separator:a501d34ffcc34b30de6d541887a901057 inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
<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>
<tr class="separator:aaf9b12dcaae80c9d304df7a941d4e21f inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A convex hull builder that tries to create hulls as accurately as possible. Used for offline processing. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="ace24021747e9c5b273b5ed357622564c" name="ace24021747e9c5b273b5ed357622564c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ace24021747e9c5b273b5ed357622564c">&#9670;&#160;</a></span>ConflictList</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
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          <td class="memname">using <a class="el" href="#ace24021747e9c5b273b5ed357622564c">ConvexHullBuilder::ConflictList</a> = <a class="el" href="class_array.html">Array</a>&lt;int&gt;</td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
</div>
<a id="ae9f7a2eb095de53f76a7d3ea9198f7b4" name="ae9f7a2eb095de53f76a7d3ea9198f7b4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae9f7a2eb095de53f76a7d3ea9198f7b4">&#9670;&#160;</a></span>Faces</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">using <a class="el" href="#ae9f7a2eb095de53f76a7d3ea9198f7b4">ConvexHullBuilder::Faces</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="class_convex_hull_builder_1_1_face.html">Face</a> *&gt;</td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
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<a id="ae813b9da0b02f643f5075e121aa6880b" name="ae813b9da0b02f643f5075e121aa6880b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae813b9da0b02f643f5075e121aa6880b">&#9670;&#160;</a></span>Positions</h2>

<div class="memitem">
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          <td class="memname">using <a class="el" href="#ae813b9da0b02f643f5075e121aa6880b">ConvexHullBuilder::Positions</a> = <a class="el" href="class_array.html">Array</a>&lt;<a class="el" href="class_vec3.html">Vec3</a>&gt;</td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
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<h2 class="groupheader">Member Enumeration Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aa49a23c340decb519ae98cfa2a9e469a">&#9670;&#160;</a></span>EResult</h2>

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          <td class="memname">enum class <a class="el" href="#aa49a23c340decb519ae98cfa2a9e469a">ConvexHullBuilder::EResult</a></td>
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<p><a class="el" href="class_result.html" title="Helper class that either contains a valid result or an error.">Result</a> enum that indicates how the hull got created. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aa49a23c340decb519ae98cfa2a9e469aa505a83f220c02df2f85c3810cd9ceb38" name="aa49a23c340decb519ae98cfa2a9e469aa505a83f220c02df2f85c3810cd9ceb38"></a>Success&#160;</td><td class="fielddoc"><p>Hull building finished successfully. </p>
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<tr><td class="fieldname"><a id="aa49a23c340decb519ae98cfa2a9e469aa7cc57ee56f4f29991173f4efa7a469e9" name="aa49a23c340decb519ae98cfa2a9e469aa7cc57ee56f4f29991173f4efa7a469e9"></a>MaxVerticesReached&#160;</td><td class="fielddoc"><p>Hull building finished successfully, but the desired accuracy was not reached because the max vertices limit was reached. </p>
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<tr><td class="fieldname"><a id="aa49a23c340decb519ae98cfa2a9e469aa675071632f91d793892ece6ed205483f" name="aa49a23c340decb519ae98cfa2a9e469aa675071632f91d793892ece6ed205483f"></a>TooFewPoints&#160;</td><td class="fielddoc"><p>Too few points to create a hull. </p>
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<tr><td class="fieldname"><a id="aa49a23c340decb519ae98cfa2a9e469aa04477b2749feb6999bd3cb1c9f6fd963" name="aa49a23c340decb519ae98cfa2a9e469aa04477b2749feb6999bd3cb1c9f6fd963"></a>TooFewFaces&#160;</td><td class="fielddoc"><p>Too few faces in the created hull (signifies precision errors during building) </p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a245e3c9f2ac5137c9ee5d66c9f7a7b9d">&#9670;&#160;</a></span>ConvexHullBuilder()</h2>

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          <td class="memname">ConvexHullBuilder::ConvexHullBuilder </td>
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          <td class="paramtype">const <a class="el" href="#ae813b9da0b02f643f5075e121aa6880b">Positions</a> &amp;</td>          <td class="paramname"><span class="paramname"><em>inPositions</em></span></td><td>)</td>
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<p>Constructor. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a3182f05659156aba23773cd1cdb5c0cd">&#9670;&#160;</a></span>~ConvexHullBuilder()</h2>

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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="#a423d9e378746f1e9d6edb19bb2afa11f">&#9670;&#160;</a></span>ContainsFace()</h2>

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          <td class="memname">bool ConvexHullBuilder::ContainsFace </td>
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<p>Returns true if the hull contains a polygon with inIndices (counter clockwise indices in mPositions) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aae519c2ae09443413ef0c9e91dd26076">&#9670;&#160;</a></span>DetermineMaxError()</h2>

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          <td class="memname">void ConvexHullBuilder::DetermineMaxError </td>
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<p>Determines the point that is furthest outside of the hull and reports how far it is outside of the hull (which indicates a failure during hull building) </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">outFaceWithMaxError</td><td>The face that caused the error </td></tr>
    <tr><td class="paramname">outMaxError</td><td>The maximum distance of a point to the hull </td></tr>
    <tr><td class="paramname">outMaxErrorPositionIdx</td><td>The index of the point that had this distance </td></tr>
    <tr><td class="paramname">outCoplanarDistance</td><td>Points that are less than this distance from the hull are considered on the hull. This should be used as a lowerbound for the allowed error. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a4e3fbe324250233f9a3d527004d08c09">&#9670;&#160;</a></span>GetCenterOfMassAndVolume()</h2>

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          <td class="memname">void ConvexHullBuilder::GetCenterOfMassAndVolume </td>
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<p>Calculate the center of mass and the volume of the current convex hull. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2eade6ba63e25c3bda4eaf159d1128ce">&#9670;&#160;</a></span>GetFaces()</h2>

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<p>Access to the created faces. Memory is owned by the convex hull builder. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af5deecbd010d00845107696af6797e63">&#9670;&#160;</a></span>GetNumVerticesUsed()</h2>

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<p>Returns the amount of vertices that are currently used by the hull. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#afa4a4a97fc8ae9e58c039b3c36d10c54">&#9670;&#160;</a></span>Initialize()</h2>

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          <td class="memname"><a class="el" href="#aa49a23c340decb519ae98cfa2a9e469a">ConvexHullBuilder::EResult</a> ConvexHullBuilder::Initialize </td>
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<p>Takes all positions as provided by the constructor and use them to build a hull Any points that are closer to the hull than inTolerance will be discarded </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">inMaxVertices</td><td>Max vertices to allow in the hull. Specify INT_MAX if there is no limit. </td></tr>
    <tr><td class="paramname">inTolerance</td><td>Max distance that a point is allowed to be outside of the hull </td></tr>
    <tr><td class="paramname">outError</td><td>Error message when building fails </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Status code that reports if the hull was created or not </dd></dl>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>Jolt/Geometry/<a class="el" href="_convex_hull_builder_8h_source.html">ConvexHullBuilder.h</a></li>
<li>Jolt/Geometry/<a class="el" href="_convex_hull_builder_8cpp.html">ConvexHullBuilder.cpp</a></li>
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