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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
+<title>NeL: NL3D::CVisualCollisionManager::CMeshCol class Reference</title>
+<link href="doxygen.css" rel="stylesheet" type="text/css">
+</head><body>
+<!-- Generated by Doxygen 1.3.6 -->
+<div class="qindex"> <form class="search" action="search.php" method="get">
+<a class="qindex" href="main.html">Main&nbsp;Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class&nbsp;Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical&nbsp;List</a> | <a class="qindex" href="annotated.html">Data&nbsp;Structures</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="namespacemembers.html">Namespace&nbsp;Members</a> | <a class="qindex" href="functions.html">Data&nbsp;Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related&nbsp;Pages</a> | <span class="search"><u>S</u>earch&nbsp;for&nbsp;<input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
+<h1>NL3D::CVisualCollisionManager::CMeshCol Class Reference</h1><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>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshCola0">build</a> (const std::vector&lt; <a class="el" href="a03128.html">CVector</a> &gt; &amp;vertices, const std::vector&lt; <a class="el" href="a04558.html#a9">uint16</a> &gt; &amp;triangles)</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>float&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshCola1">getCameraCollision</a> (class <a class="el" href="a02317.html">CCameraCol</a> &amp;camCol)</td></tr>
+
+<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a02156.html">NLMISC::CAABBox</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo0">BBox</a></td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03709.html">CStaticGrid</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">QuadGrid</a></td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03273.html">CQuadGrid</a>&lt; <a class="el" href="a03708.html">CMeshCol</a> * &gt;::CIterator&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo2">QuadGridIt</a></td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>std::vector&lt; <a class="el" href="a04558.html#a9">uint16</a> &gt;&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo3">Triangles</a></td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>std::vector&lt; <a class="el" href="a03128.html">CVector</a> &gt;&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo4">Vertices</a></td></tr>
+
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshCola0" doxytag="NL3D::CVisualCollisionManager::CMeshCol::build" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> void NL3D::CVisualCollisionManager::CMeshCol::build </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const std::vector&lt; <a class="el" href="a03128.html">CVector</a> &gt; &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>vertices</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>const std::vector&lt; <a class="el" href="a04558.html#a9">uint16</a> &gt; &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>triangles</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06729.html#l00370">370</a> of file <a class="el" href="a06729.html">visual_collision_manager.cpp</a>.
+<p>
+References <a class="el" href="a06729.html#l00200">NL3D::CVisualCollisionManager::CStaticGrid::add()</a>, <a class="el" href="a06729.html#l00233">NL3D::CVisualCollisionManager::CStaticGrid::compile()</a>, <a class="el" href="a06729.html#l00172">NL3D::CVisualCollisionManager::CStaticGrid::create()</a>, <a class="el" href="a05384.html#l00215">NLMISC::CAABBox::extend()</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a06730.html#l00192">QuadGrid</a>, <a class="el" href="a05385.html#l00066">NLMISC::CAABBox::setCenter()</a>, and <a class="el" href="a05981.html#l00105">uint</a>.
+<p>
+Referenced by <a class="el" href="a06729.html#l00401">NL3D::CVisualCollisionManager::addMeshCollision()</a>.
+<p>
+<div class="fragment"><pre>00371 {
+00372 <a class="code" href="a04558.html#a15">uint</a> i;
+00373 <a class="code" href="a04199.html#a6">nlassert</a>(!vertices.empty());
+00374
+00375 <span class="comment">// copy</span>
+00376 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo4">Vertices</a>= vertices;
+00377 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo3">Triangles</a>= triangles;
+00378
+00379 <span class="comment">// Build the bbox for this col mesh</span>
+00380 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo0">BBox</a>.<a class="code" href="a02156.html#NLMISC_1_1CAABBoxz1902_1">setCenter</a>(vertices[0]);
+00381 <span class="keywordflow">for</span>(i=1;i&lt;vertices.size();i++)
+00382 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo0">BBox</a>.<a class="code" href="a02156.html#NLMISC_1_1CAABBoxExtz1902_0">extend</a>(vertices[i]);
+00383
+00384 <span class="comment">// Build the Static Grid</span>
+00385 <a class="code" href="a04558.html#a15">uint</a> numTris= triangles.size()/3;
+00386 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">QuadGrid</a>.create(16, numTris, BBox);
+00387 <span class="comment">// Add all triangles</span>
+00388 <span class="keywordflow">for</span>(i=0;i&lt;numTris;i++)
+00389 {
+00390 CAABBox bb;
+00391 bb.setCenter(Vertices[Triangles[i*3+0]]);
+00392 bb.extend(Vertices[Triangles[i*3+1]]);
+00393 bb.extend(Vertices[Triangles[i*3+2]]);
+00394 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">QuadGrid</a>.add(i, bb);
+00395 }
+00396 <span class="comment">// compile</span>
+00397 <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">QuadGrid</a>.compile();
+00398 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshCola1" doxytag="NL3D::CVisualCollisionManager::CMeshCol::getCameraCollision" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> float NL3D::CVisualCollisionManager::CMeshCol::getCameraCollision </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">class <a class="el" href="a02317.html">CCameraCol</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>camCol</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06729.html#l00330">330</a> of file <a class="el" href="a06729.html">visual_collision_manager.cpp</a>.
+<p>
+References <a class="el" href="a05533.html#l00057">NL3D::CCameraCol::BBox</a>, <a class="el" href="a05533.html#l00050">NL3D::CCameraCol::End</a>, <a class="el" href="a05384.html#l00107">NLMISC::CAABBox::intersect()</a>, <a class="el" href="a05484.html#l00038">min</a>, <a class="el" href="a05532.html#l00131">NL3D::CCameraCol::minimizeDistanceAgainstTri()</a>, <a class="el" href="a06730.html#l00192">QuadGrid</a>, <a class="el" href="a06729.html#l00279">NL3D::CVisualCollisionManager::CStaticGrid::select()</a>, <a class="el" href="a05533.html#l00048">NL3D::CCameraCol::Start</a>, and <a class="el" href="a05981.html#l00105">uint</a>.
+<p>
+<div class="fragment"><pre>00331 {
+00332 <span class="comment">// first test if intersect with the bboxes</span>
+00333 <span class="keywordflow">if</span>(!camCol.BBox.intersect(BBox))
+00334 <span class="keywordflow">return</span> 1;
+00335
+00336 <span class="comment">// Select triangles</span>
+00337 <span class="keyword">static</span> std::vector&lt;uint16&gt; selection;
+00338 <a class="code" href="a04558.html#a15">uint</a> numSel= <a class="code" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">QuadGrid</a>.select(camCol.BBox, selection);
+00339
+00340 <span class="comment">// **** For all triangles, test if intersect the camera collision</span>
+00341 <span class="keywordtype">float</span> sqrMinDist= FLT_MAX;
+00342 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> i=0;i&lt;numSel;i++)
+00343 {
+00344 <a class="code" href="a04558.html#a15">uint</a> triId= selection[i];
+00345 <span class="comment">// build the triangle</span>
+00346 camCol.minimizeDistanceAgainstTri(
+00347 Vertices[Triangles[triId*3+0]],
+00348 Vertices[Triangles[triId*3+1]],
+00349 Vertices[Triangles[triId*3+2]],
+00350 sqrMinDist);
+00351 }
+00352
+00353 <span class="comment">// **** return the collision found, between [0,1]</span>
+00354 <span class="keywordflow">if</span>(sqrMinDist == FLT_MAX)
+00355 <span class="keywordflow">return</span> 1;
+00356 <span class="keywordflow">else</span>
+00357 {
+00358 <span class="keywordtype">float</span> f= 1;
+00359 <span class="keywordtype">float</span> d= (camCol.End-camCol.Start).norm();
+00360 <span class="keywordflow">if</span>(d&gt;0)
+00361 {
+00362 f= sqrtf(sqrMinDist) / d;
+00363 f= <a class="code" href="a04061.html#a0">min</a>(f, 1.f);
+00364 }
+00365 <span class="keywordflow">return</span> f;
+00366 }
+00367 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Field Documentation</h2>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshColo0" doxytag="NL3D::CVisualCollisionManager::CMeshCol::BBox" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a02156.html">NLMISC::CAABBox</a> <a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo0">NL3D::CVisualCollisionManager::CMeshCol::BBox</a>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06730.html#l00188">188</a> of file <a class="el" href="a06730.html">visual_collision_manager.h</a>.
+<p>
+Referenced by <a class="el" href="a06729.html#l00401">NL3D::CVisualCollisionManager::addMeshCollision()</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshColo1" doxytag="NL3D::CVisualCollisionManager::CMeshCol::QuadGrid" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a03709.html">CStaticGrid</a> <a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo1">NL3D::CVisualCollisionManager::CMeshCol::QuadGrid</a>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06730.html#l00192">192</a> of file <a class="el" href="a06730.html">visual_collision_manager.h</a>.
+<p>
+Referenced by <a class="el" href="a06729.html#l00370">build()</a>, and <a class="el" href="a06729.html#l00330">getCameraCollision()</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshColo2" doxytag="NL3D::CVisualCollisionManager::CMeshCol::QuadGridIt" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a03273.html">CQuadGrid</a>&lt;<a class="el" href="a03708.html">CMeshCol</a>*&gt;::CIterator <a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo2">NL3D::CVisualCollisionManager::CMeshCol::QuadGridIt</a>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06730.html#l00190">190</a> of file <a class="el" href="a06730.html">visual_collision_manager.h</a>.
+<p>
+Referenced by <a class="el" href="a06729.html#l00401">NL3D::CVisualCollisionManager::addMeshCollision()</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshColo3" doxytag="NL3D::CVisualCollisionManager::CMeshCol::Triangles" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> std::vector&lt;<a class="el" href="a04558.html#a9">uint16</a>&gt; <a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo3">NL3D::CVisualCollisionManager::CMeshCol::Triangles</a>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06730.html#l00186">186</a> of file <a class="el" href="a06730.html">visual_collision_manager.h</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NL3D_1_1CVisualCollisionManager_1_1CMeshColo4" doxytag="NL3D::CVisualCollisionManager::CMeshCol::Vertices" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> std::vector&lt;<a class="el" href="a03128.html">CVector</a>&gt; <a class="el" href="a03708.html#NL3D_1_1CVisualCollisionManager_1_1CMeshColo4">NL3D::CVisualCollisionManager::CMeshCol::Vertices</a>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06730.html#l00185">185</a> of file <a class="el" href="a06730.html">visual_collision_manager.h</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="a06730.html">visual_collision_manager.h</a><li><a class="el" href="a06729.html">visual_collision_manager.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 08:27:05 2004 for NeL by
+<a href="http://www.doxygen.org/index.html">
+<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
+</a>1.3.6 </small></address>
+</body>
+</html>