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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: NLMISC::CBSphere 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>NLMISC::CBSphere Class Reference</h1><code>#include &lt;<a class="el" href="a05505.html">bsphere.h</a>&gt;</code>
+<p>
+<hr><a name="_details"></a><h2>Detailed Description</h2>
+A bounding Sphere. <dl compact><dt><b>Author:</b></dt><dd>Lionel Berenguier <p>
+Nevrax France </dd></dl>
+<dl compact><dt><b>Date:</b></dt><dd>2000 </dd></dl>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a05505.html#l00045">45</a> of file <a class="el" href="a05505.html">bsphere.h</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea0">CBSphere</a> (const <a class="el" href="a03128.html">CVector</a> &amp;center, float radius)</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <a href="#NLMISC_1_1CBSpherea0"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea1">CBSphere</a> ()</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Empty Constructor. <a href="#NLMISC_1_1CBSpherea1"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea2">include</a> (const <a class="el" href="a02291.html">CBSphere</a> &amp;<a class="el" href="a04223.html#a626">s</a>) const </td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Does the sphere include TOTALY this sphere? <a href="#NLMISC_1_1CBSpherea2"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea3">include</a> (const <a class="el" href="a03128.html">CVector</a> &amp;p) const </td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Does the sphere include this point? <a href="#NLMISC_1_1CBSpherea3"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea4">intersect</a> (const <a class="el" href="a02291.html">CBSphere</a> &amp;<a class="el" href="a04223.html#a626">s</a>) const </td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Does the sphere intersect the other? <a href="#NLMISC_1_1CBSpherea4"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherea5">setUnion</a> (const <a class="el" href="a02291.html">CBSphere</a> &amp;sa, const <a class="el" href="a02291.html">CBSphere</a> &amp;sb)</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Build the union of the 2 sphere ans set to *this. work if this==s1 || this==s2. <a href="#NLMISC_1_1CBSpherea5"></a><br><br></td></tr>
+<tr><td colspan="2"><div class="groupHeader">transform</div></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherez1929_0">applyTransform</a> (const <a class="el" href="a02851.html">CMatrix</a> &amp;mat, <a class="el" href="a02291.html">CBSphere</a> &amp;<a class="el" href="a04223.html#a643">res</a>)</td></tr>
+
+<tr><td colspan="2"><div class="groupHeader">Clip</div></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherez1931_0">clipBack</a> (const <a class="el" href="a03082.html">CPlane</a> &amp;p) const </td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Is the bbox partially in back of the plane?? p MUST be normalized. <a href="#NLMISC_1_1CBSpherez1931_0"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSpherez1931_1">clipFront</a> (const <a class="el" href="a03082.html">CPlane</a> &amp;p) const </td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Is the bbox partially in front of the plane?? p MUST be normalized. <a href="#NLMISC_1_1CBSpherez1931_1"></a><br><br></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="a03128.html">CVector</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a></td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>float&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a></td></tr>
+
+</table>
+<hr><h2>Constructor &amp; Destructor Documentation</h2>
+<a class="anchor" name="NLMISC_1_1CBSpherea1" doxytag="NLMISC::CBSphere::CBSphere" ></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"> NLMISC::CBSphere::CBSphere </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Empty Constructor.
+<p>
+
+<p>
+Definition at line <a class="el" href="a05505.html#l00052">52</a> of file <a class="el" href="a05505.html">bsphere.h</a>.
+<p>
+<div class="fragment"><pre>00052 {}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherea0" doxytag="NLMISC::CBSphere::CBSphere" ></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"> NLMISC::CBSphere::CBSphere </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03128.html">CVector</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>center</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap> <em>radius</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"><code> [inline]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Constructor.
+<p>
+
+<p>
+Definition at line <a class="el" href="a05505.html#l00054">54</a> of file <a class="el" href="a05505.html">bsphere.h</a>.
+<p>
+<div class="fragment"><pre>00054 : <a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>(center), <a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>(radius) {}
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NLMISC_1_1CBSpherez1929_0" doxytag="NLMISC::CBSphere::applyTransform" ></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 NLMISC::CBSphere::applyTransform </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a02851.html">CMatrix</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>mat</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a02291.html">CBSphere</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>res</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>
+compute res= mat * this. NB: radius is maximized, taking max of the 3 axis of the matrix. NB: this may be false if the matrix is not orthogonal...
+<p>
+Definition at line <a class="el" href="a05504.html#l00088">88</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+References <a class="el" href="a05972.html#l00419">NLMISC::CMatrix::getI()</a>, <a class="el" href="a05972.html#l00427">NLMISC::CMatrix::getJ()</a>, <a class="el" href="a05972.html#l00435">NLMISC::CMatrix::getK()</a>, <a class="el" href="a05972.html#l00106">NLMISC::CMatrix::getScaleUniform()</a>, <a class="el" href="a05972.html#l00092">NLMISC::CMatrix::hasScalePart()</a>, <a class="el" href="a05972.html#l00102">NLMISC::CMatrix::hasScaleUniform()</a>, <a class="el" href="a05646.html#l01119">res</a>, and <a class="el" href="a06682.html#l00111">NLMISC::CVector::sqrnorm()</a>.
+<p>
+Referenced by <a class="el" href="a06395.html#l00216">NL3D::CSkeletonShape::clip()</a>, <a class="el" href="a06360.html#l00312">NL3D::CSegRemanenceShape::clip()</a>, <a class="el" href="a06011.html#l00505">NL3D::CMeshMRMSkinnedGeom::clip()</a>, <a class="el" href="a06005.html#l00856">NL3D::CMeshMRMGeom::clip()</a>, <a class="el" href="a05989.html#l00482">NL3D::CMeshGeom::clip()</a>, and <a class="el" href="a06393.html#l01987">NL3D::CSkeletonModel::computeWorldBBoxForShadow()</a>.
+<p>
+<div class="fragment"><pre>00089 {
+00090 <a class="code" href="a04223.html#a643">res</a>.Center= mat*<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>;
+00091
+00092 <span class="keywordflow">if</span>(!mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1970_2">hasScalePart</a>())
+00093 <a class="code" href="a04223.html#a643">res</a>.Radius= <a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>;
+00094 <span class="keywordflow">else</span>
+00095 {
+00096 <span class="keywordflow">if</span>(mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1970_3">hasScaleUniform</a>())
+00097 <a class="code" href="a04223.html#a643">res</a>.Radius= <a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>*mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1970_0">getScaleUniform</a>();
+00098 <span class="keywordflow">else</span>
+00099 {
+00100 <span class="comment">// must compute max of 3 axis.</span>
+00101 <span class="keywordtype">float</span> m, mx;
+00102 CVector i,j,k;
+00103 i= mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>();
+00104 j= mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>();
+00105 k= mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_4">getK</a>();
+00106 <span class="comment">// take the max of the 3 axis.</span>
+00107 m= i.sqrnorm();
+00108 mx= m;
+00109 m= j.sqrnorm();
+00110 mx= max(m, mx);
+00111 m= k.sqrnorm();
+00112 mx= max(m, mx);
+00113
+00114 <span class="comment">// result.</span>
+00115 <a class="code" href="a04223.html#a643">res</a>.Radius= <a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a> * (<span class="keywordtype">float</span>)sqrt(mx);
+00116 }
+00117 }
+00118 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherez1931_0" doxytag="NLMISC::CBSphere::clipBack" ></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"> bool NLMISC::CBSphere::clipBack </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03082.html">CPlane</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>p</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Is the bbox partially in back of the plane?? p MUST be normalized.
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00050">50</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+Referenced by <a class="el" href="a06690.html#l00082">NL3D::CVegetableClipBlock::clip()</a>, <a class="el" href="a06491.html#l00146">NL3D::CTessBlock::clip()</a>, and <a class="el" href="a06758.html#l01038">NL3D::CZone::clipPatchs()</a>.
+<p>
+<div class="fragment"><pre>00051 {
+00052 <span class="comment">// assume normalized planes.</span>
+00053
+00054 <span class="comment">// if( SpherMax OUT ) return false.</span>
+00055 <span class="keywordtype">float</span> d= p*<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>;
+00056 <span class="keywordflow">if</span>(d&gt;<a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>)
+00057 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+00058
+00059 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+00060 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherez1931_1" doxytag="NLMISC::CBSphere::clipFront" ></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"> bool NLMISC::CBSphere::clipFront </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03082.html">CPlane</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>p</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Is the bbox partially in front of the plane?? p MUST be normalized.
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00037">37</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+<div class="fragment"><pre>00038 {
+00039 <span class="comment">// assume normalized planes.</span>
+00040
+00041 <span class="comment">// if( SpherMax OUT ) return false.</span>
+00042 <span class="keywordtype">float</span> d= p*<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>;
+00043 <span class="keywordflow">if</span>(d&lt;-<a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>)
+00044 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+00045
+00046 <span class="keywordflow">return</span> <span class="keyword">true</span>;
+00047 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherea2" doxytag="NLMISC::CBSphere::include" ></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"> bool NLMISC::CBSphere::include </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a02291.html">CBSphere</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>s</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Does the sphere include TOTALY this sphere?
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00069">69</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+References <a class="el" href="a05646.html#l00977">s</a>, and <a class="el" href="a05587.html#l00107">NLMISC::sqr()</a>.
+<p>
+<div class="fragment"><pre>00070 {
+00071 <span class="comment">// if smaller than s, how could we include it???</span>
+00072 <span class="keywordflow">if</span>(<a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>&lt;=<a class="code" href="a04223.html#a626">s</a>.Radius)
+00073 <span class="keywordflow">return</span> <span class="keyword">false</span>;
+00074 <span class="keywordtype">float</span> r2= (<a class="code" href="a04223.html#a626">s</a>.Center-<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>).sqrnorm();
+00075 <span class="comment">// Because of prec test, Radius-s.Radius&gt;0.</span>
+00076 <span class="keywordflow">return</span> r2&lt;=<a class="code" href="a05378.html#a373">sqr</a>(Radius-<a class="code" href="a04223.html#a626">s</a>.Radius);
+00077 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherea3" doxytag="NLMISC::CBSphere::include" ></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"> bool NLMISC::CBSphere::include </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03128.html">CVector</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>p</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Does the sphere include this point?
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00063">63</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+References <a class="el" href="a05587.html#l00107">NLMISC::sqr()</a>, and <a class="el" href="a06682.html#l00111">NLMISC::CVector::sqrnorm()</a>.
+<p>
+Referenced by <a class="el" href="a05901.html#l00151">NL3D::CLightingManager::addDynamicLight()</a>, <a class="el" href="a06768.html#l03139">NL3D::CZoneLighter::CPointLightRT::testRaytrace()</a>, and <a class="el" href="a05824.html#l00954">NL3D::CInstanceLighter::CPointLightRT::testRaytrace()</a>.
+<p>
+<div class="fragment"><pre>00064 {
+00065 <span class="keywordtype">float</span> r2= (p-<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>).sqrnorm();
+00066 <span class="keywordflow">return</span> (r2&lt;=<a class="code" href="a05378.html#a373">sqr</a>(Radius));
+00067 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherea4" doxytag="NLMISC::CBSphere::intersect" ></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"> bool NLMISC::CBSphere::intersect </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a02291.html">CBSphere</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>s</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Does the sphere intersect the other?
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00079">79</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+References <a class="el" href="a05646.html#l00977">s</a>, and <a class="el" href="a05587.html#l00107">NLMISC::sqr()</a>.
+<p>
+Referenced by <a class="el" href="a05862.html#l02380">NL3D::CLandscape::buildCollideFaces()</a>, <a class="el" href="a05862.html#l03489">NL3D::CLandscape::computeDynamicLighting()</a>, and <a class="el" href="a06034.html#l00178">NL3D::CMiniCol::setCenter()</a>.
+<p>
+<div class="fragment"><pre>00080 {
+00081 <span class="keywordtype">float</span> r2= (<a class="code" href="a04223.html#a626">s</a>.Center-<a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>).sqrnorm();
+00082
+00083 <span class="keywordflow">return</span> r2&lt;=<a class="code" href="a05378.html#a373">sqr</a>(Radius+<a class="code" href="a04223.html#a626">s</a>.Radius);
+00084
+00085 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSpherea5" doxytag="NLMISC::CBSphere::setUnion" ></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 NLMISC::CBSphere::setUnion </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a02291.html">CBSphere</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>sa</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>const <a class="el" href="a02291.html">CBSphere</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>sb</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>
+Build the union of the 2 sphere ans set to *this. work if this==s1 || this==s2.
+<p>
+
+<p>
+Definition at line <a class="el" href="a05504.html#l00122">122</a> of file <a class="el" href="a05504.html">bsphere.cpp</a>.
+<p>
+References <a class="el" href="a05505.html#l00048">Center</a>, <a class="el" href="a06682.html#l00119">NLMISC::CVector::normalize()</a>, and <a class="el" href="a05505.html#l00049">Radius</a>.
+<p>
+<div class="fragment"><pre>00123 {
+00124 <span class="keywordtype">float</span> r2= (sb.Center-sa.Center).norm();
+00125
+00126 <span class="comment">// Name Sphere 0 the biggest one, and Sphere 1 the other</span>
+00127 <span class="keyword">const</span> <a class="code" href="a02291.html#NLMISC_1_1CBSpherea1">CBSphere</a> *s0;
+00128 <span class="keyword">const</span> <a class="code" href="a02291.html#NLMISC_1_1CBSpherea1">CBSphere</a> *s1;
+00129 <span class="keywordflow">if</span>(sa.Radius&gt;sb.Radius)
+00130 {
+00131 s0= &amp;sa;
+00132 s1= &amp;sb;
+00133 }
+00134 <span class="keywordflow">else</span>
+00135 {
+00136 s0= &amp;sb;
+00137 s1= &amp;sa;
+00138 }
+00139 <span class="keywordtype">float</span> r0= s0-&gt;Radius;
+00140 <span class="keywordtype">float</span> r1= s1-&gt;Radius;
+00141
+00142 <span class="comment">// If Sphere1 is included into Sphere0, then the union is simply Sphere0</span>
+00143 <span class="keywordflow">if</span>(r2&lt;=(r0-r1))
+00144 {
+00145 *<span class="keyword">this</span>= *s0;
+00146 }
+00147 <span class="keywordflow">else</span>
+00148 {
+00149 <span class="comment">/* Compute the Union sphere Diameter. It is D= r0 + r2 + r1 </span>
+00150 <span class="comment"> do the draw, works for intersect and don't intersect case, </span>
+00151 <span class="comment"> acknowledge that Sphere1 not included inton Sphere0</span>
+00152 <span class="comment"> */</span>
+00153 <span class="keywordtype">float</span> diameter= r0 + r2 + r1;
+00154
+00155 <span class="comment">// compute dir from big center to small one.</span>
+00156 CVector dir= s1-&gt;Center - s0-&gt;Center;
+00157 dir.normalize();
+00158
+00159 <span class="comment">// Then finally set Radius and center</span>
+00160 <a class="code" href="a02291.html#NLMISC_1_1CBSphereo0">Center</a>= s0-&gt;Center + dir * (diameter/2 - r0);
+00161 <a class="code" href="a02291.html#NLMISC_1_1CBSphereo1">Radius</a>= diameter/2;
+00162 }
+00163 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Field Documentation</h2>
+<a class="anchor" name="NLMISC_1_1CBSphereo0" doxytag="NLMISC::CBSphere::Center" ></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="a03128.html">CVector</a> <a class="el" href="a02291.html#NLMISC_1_1CBSphereo0">NLMISC::CBSphere::Center</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="a05505.html#l00048">48</a> of file <a class="el" href="a05505.html">bsphere.h</a>.
+<p>
+Referenced by <a class="el" href="a05901.html#l00151">NL3D::CLightingManager::addDynamicLight()</a>, <a class="el" href="a06768.html#l03179">NL3D::CZoneLighter::addStaticPointLight()</a>, <a class="el" href="a05824.html#l00999">NL3D::CInstanceLighter::addStaticPointLight()</a>, <a class="el" href="a06034.html#l00116">NL3D::CMiniCol::addZone()</a>, <a class="el" href="a06395.html#l00216">NL3D::CSkeletonShape::clip()</a>, <a class="el" href="a06360.html#l00312">NL3D::CSegRemanenceShape::clip()</a>, <a class="el" href="a06011.html#l00505">NL3D::CMeshMRMSkinnedGeom::clip()</a>, <a class="el" href="a06005.html#l00856">NL3D::CMeshMRMGeom::clip()</a>, <a class="el" href="a05989.html#l00482">NL3D::CMeshGeom::clip()</a>, <a class="el" href="a06491.html#l00160">NL3D::CTessBlock::clipFar()</a>, <a class="el" href="a05555.html#l00532">NL3D::CClipTrav::clipSkeletonShadowMaps()</a>, <a class="el" href="a06163.html#l00052">NL3D::CPatchDLMPointLight::compile()</a>, <a class="el" href="a06768.html#l03202">NL3D::CZoneLighter::compilePointLightRT()</a>, <a class="el" href="a05824.html#l01023">NL3D::CInstanceLighter::compilePointLightRT()</a>, <a class="el" href="a06161.html#l00054">NL3D::CPatch::computeNewFar()</a>, <a class="el" href="a06393.html#l01987">NL3D::CSkeletonModel::computeWorldBBoxForShadow()</a>, <a class="el" href="a06690.html#l00062">NL3D::CVegetableClipBlock::extendSphere()</a>, <a class="el" href="a06491.html#l00122">NL3D::CTessBlock::extendSphereCompile()</a>, <a class="el" href="a06768.html#l03329">NL3D::CZoneLighter::CPredPointLightToPoint::operator()()</a>, <a class="el" href="a05824.html#l01140">NL3D::CInstanceLighter::CPredPointLightToPoint::operator()()</a>, <a class="el" href="a05824.html#l01161">NL3D::CInstanceLighter::processIGPointLightRT()</a>, <a class="el" href="a06768.html#l03346">NL3D::CZoneLighter::processZonePointLightRT()</a>, <a class="el" href="a06034.html#l00085">NL3D::CMiniCol::removeLandScapePart()</a>, <a class="el" href="a06034.html#l00178">NL3D::CMiniCol::setCenter()</a>, <a class="el" href="a05504.html#l00122">setUnion()</a>, <a class="el" href="a06768.html#l03139">NL3D::CZoneLighter::CPointLightRT::testRaytrace()</a>, <a class="el" href="a05824.html#l00954">NL3D::CInstanceLighter::CPointLightRT::testRaytrace()</a>, and <a class="el" href="a06690.html#l00055">NL3D::CVegetableClipBlock::updateSphere()</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CBSphereo1" doxytag="NLMISC::CBSphere::Radius" ></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 <a class="el" href="a02291.html#NLMISC_1_1CBSphereo1">NLMISC::CBSphere::Radius</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="a05505.html#l00049">49</a> of file <a class="el" href="a05505.html">bsphere.h</a>.
+<p>
+Referenced by <a class="el" href="a05901.html#l00151">NL3D::CLightingManager::addDynamicLight()</a>, <a class="el" href="a06768.html#l03179">NL3D::CZoneLighter::addStaticPointLight()</a>, <a class="el" href="a05824.html#l00999">NL3D::CInstanceLighter::addStaticPointLight()</a>, <a class="el" href="a06034.html#l00116">NL3D::CMiniCol::addZone()</a>, <a class="el" href="a06395.html#l00216">NL3D::CSkeletonShape::clip()</a>, <a class="el" href="a06360.html#l00312">NL3D::CSegRemanenceShape::clip()</a>, <a class="el" href="a06011.html#l00505">NL3D::CMeshMRMSkinnedGeom::clip()</a>, <a class="el" href="a06005.html#l00856">NL3D::CMeshMRMGeom::clip()</a>, <a class="el" href="a05989.html#l00482">NL3D::CMeshGeom::clip()</a>, <a class="el" href="a06491.html#l00160">NL3D::CTessBlock::clipFar()</a>, <a class="el" href="a05555.html#l00532">NL3D::CClipTrav::clipSkeletonShadowMaps()</a>, <a class="el" href="a06163.html#l00052">NL3D::CPatchDLMPointLight::compile()</a>, <a class="el" href="a06768.html#l03202">NL3D::CZoneLighter::compilePointLightRT()</a>, <a class="el" href="a05824.html#l01023">NL3D::CInstanceLighter::compilePointLightRT()</a>, <a class="el" href="a06161.html#l00054">NL3D::CPatch::computeNewFar()</a>, <a class="el" href="a06393.html#l01987">NL3D::CSkeletonModel::computeWorldBBoxForShadow()</a>, <a class="el" href="a06690.html#l00062">NL3D::CVegetableClipBlock::extendSphere()</a>, <a class="el" href="a06491.html#l00122">NL3D::CTessBlock::extendSphereCompile()</a>, <a class="el" href="a05824.html#l01161">NL3D::CInstanceLighter::processIGPointLightRT()</a>, <a class="el" href="a06034.html#l00085">NL3D::CMiniCol::removeLandScapePart()</a>, <a class="el" href="a05504.html#l00122">setUnion()</a>, <a class="el" href="a06393.html#l01117">NL3D::CSkeletonModel::updateSkinRenderLists()</a>, and <a class="el" href="a06690.html#l00055">NL3D::CVegetableClipBlock::updateSphere()</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="a05505.html">bsphere.h</a><li><a class="el" href="a05504.html">bsphere.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 13:05:28 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>