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<title>NeL: NL3D::CInstanceLighter::CPredPointLightToPoint struct Reference</title>
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<h1>NL3D::CInstanceLighter::CPredPointLightToPoint Struct Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
For sort().
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Definition at line <a class="el" href="a05825.html#l00244">244</a> of file <a class="el" href="a05825.html">instance_lighter.h</a>.<table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="a02679.html#NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointa0">operator()</a> (<a class="el" href="a02678.html">CPointLightRT</a> *pla, <a class="el" href="a02678.html">CPointLightRT</a> *plb) const </td></tr>
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<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a03128.html">CVector</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02679.html#NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointo0">Point</a></td></tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointa0" doxytag="NL3D::CInstanceLighter::CPredPointLightToPoint::operator()" ></a><p>
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<td class="md" nowrap valign="top"> bool NL3D::CInstanceLighter::CPredPointLightToPoint::operator() </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a02678.html">CPointLightRT</a> * </td>
<td class="mdname" nowrap> <em>pla</em>, </td>
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<td class="md" nowrap><a class="el" href="a02678.html">CPointLightRT</a> * </td>
<td class="mdname" nowrap> <em>plb</em></td>
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<td class="md">) </td>
<td class="md" colspan="2"> const</td>
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Definition at line <a class="el" href="a05824.html#l01140">1140</a> of file <a class="el" href="a05824.html">instance_lighter.cpp</a>.
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References <a class="el" href="a05825.html#l00223">NL3D::CInstanceLighter::CPointLightRT::BSphere</a>, <a class="el" href="a05505.html#l00048">NLMISC::CBSphere::Center</a>, <a class="el" href="a05587.html#l00115">NLMISC::clamp()</a>, <a class="el" href="a06180.html#l00143">NL3D::CPointLight::getAttenuationEnd()</a>, <a class="el" href="a05825.html#l00221">NL3D::CInstanceLighter::CPointLightRT::OODeltaAttenuation</a>, and <a class="el" href="a05825.html#l00220">NL3D::CInstanceLighter::CPointLightRT::PointLight</a>.
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<div class="fragment"><pre>01141 {
01142 <span class="keywordtype">float</span> ra= (pla->BSphere.Center - <a class="code" href="a02679.html#NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointo0">Point</a>).norm();
01143 <span class="keywordtype">float</span> rb= (plb->BSphere.Center - <a class="code" href="a02679.html#NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointo0">Point</a>).norm();
01144 <span class="keywordtype">float</span> infA= (pla->PointLight.getAttenuationEnd() - ra) * pla->OODeltaAttenuation;
01145 <span class="keywordtype">float</span> infB= (plb->PointLight.getAttenuationEnd() - rb) * plb->OODeltaAttenuation;
01146 <span class="comment">// It is important to clamp, else strange results...</span>
01147 <a class="code" href="a05378.html#a374">clamp</a>(infA, 0.f, 1.f);
01148 <a class="code" href="a05378.html#a374">clamp</a>(infB, 0.f, 1.f);
01149 <span class="comment">// return which light impact the most.</span>
01150 <span class="comment">// If same impact</span>
01151 <span class="keywordflow">if</span>(infA==infB)
01152 <span class="comment">// return nearest</span>
01153 <span class="keywordflow">return</span> ra < rb;
01154 <span class="keywordflow">else</span>
01155 <span class="comment">// return better impact</span>
01156 <span class="keywordflow">return</span> infA > infB;
01157 }
</pre></div> </td>
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<hr><h2>Field Documentation</h2>
<a class="anchor" name="NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointo0" doxytag="NL3D::CInstanceLighter::CPredPointLightToPoint::Point" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a03128.html">CVector</a> <a class="el" href="a02679.html#NL3D_1_1CInstanceLighter_1_1CPredPointLightToPointo0">NL3D::CInstanceLighter::CPredPointLightToPoint::Point</a>
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Definition at line <a class="el" href="a05825.html#l00246">246</a> of file <a class="el" href="a05825.html">instance_lighter.h</a>.
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Referenced by <a class="el" href="a05824.html#l01161">NL3D::CInstanceLighter::processIGPointLightRT()</a>. </td>
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<hr>The documentation for this struct was generated from the following files:<ul>
<li><a class="el" href="a05825.html">instance_lighter.h</a><li><a class="el" href="a05824.html">instance_lighter.cpp</a></ul>
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