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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::CPSFanLightHelper 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::CPSFanLightHelper Class Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
+====================================================================================
+<p>
+Well, we could have put a method template in <a class="el" href="a03194.html">CPSFanLight</a>, but some compilers want the definition of the methods in the header, and some compilers don't want friend with function template, so we use a static method template of a friend class instead, which gives us the same result :)
+<p>
+
+<p>
+Definition at line <a class="el" href="a06235.html#l00068">68</a> of file <a class="el" href="a06235.html">ps_fan_light.cpp</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Static Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>template&lt;class T, class U&gt; void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03195.html#NL3D_1_1CPSFanLightHelpere0">drawFanLight</a> (T posIt, U timeIt, <a class="el" href="a03194.html">CPSFanLight</a> &amp;f, <a class="el" href="a04558.html#a15">uint</a> <a class="el" href="a04223.html#a587">size</a>, <a class="el" href="a04558.html#a11">uint32</a> srcStep)</td></tr>
+
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NL3D_1_1CPSFanLightHelpere0" doxytag="NL3D::CPSFanLightHelper::drawFanLight" ></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" colspan="4">
+template&lt;class T, class U&gt; </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap valign="top"> void NL3D::CPSFanLightHelper::drawFanLight </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">T&nbsp;</td>
+ <td class="mdname" nowrap> <em>posIt</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>U&nbsp;</td>
+ <td class="mdname" nowrap> <em>timeIt</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a03194.html">CPSFanLight</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>f</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a04558.html#a15">uint</a>&nbsp;</td>
+ <td class="mdname" nowrap> <em>size</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a>&nbsp;</td>
+ <td class="mdname" nowrap> <em>srcStep</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"><code> [inline, static]</code></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="a06235.html#l00072">72</a> of file <a class="el" href="a06235.html">ps_fan_light.cpp</a>.
+<p>
+References <a class="el" href="a06258.html#l00367">NL3D::CPSRotated2DParticle::_Angle2D</a>, <a class="el" href="a06258.html#l00368">NL3D::CPSRotated2DParticle::_Angle2DScheme</a>, <a class="el" href="a06258.html#l00228">NL3D::CPSColoredParticle::_ColorScheme</a>, <a class="el" href="a06258.html#l00844">NL3D::CPSMaterial::_Mat</a>, <a class="el" href="a06236.html#l00158">NL3D::CPSFanLight::_MoveIntensity</a>, <a class="el" href="a06236.html#l00156">NL3D::CPSFanLight::_NbFans</a>, <a class="el" href="a06247.html#l01026">NL3D::CPSLocatedBindable::_Owner</a>, <a class="el" href="a06258.html#l00289">NL3D::CPSSizedParticle::_ParticleSize</a>, <a class="el" href="a06236.html#l00157">NL3D::CPSFanLight::_PhaseSmoothness</a>, <a class="el" href="a06236.html#l00160">NL3D::CPSFanLight::_PhaseSpeed</a>, <a class="el" href="a06235.html#l00047">NL3D::CPSFanLight::_RandomPhaseTab</a>, <a class="el" href="a06235.html#l00048">NL3D::CPSFanLight::_RandomPhaseTabInitialized</a>, <a class="el" href="a06258.html#l00290">NL3D::CPSSizedParticle::_SizeScheme</a>, <a class="el" href="a02434.html#NL3D_1_1IDrivera2">NL3D::IDriver::activeVertexBuffer()</a>, <a class="el" href="a06249.html#l00039">CHECK_VERTEX_BUFFER</a>, <a class="el" href="a06247.html#l00931">NL3D::CPSLocatedBindable::computeI()</a>, <a class="el" href="a06247.html#l00940">NL3D::CPSLocatedBindable::computeK()</a>, <a class="el" href="a06235.html#l00057">NL3D::FanLightBufSize</a>, <a class="el" href="a06710.html#l00465">NL3D::CVertexBuffer::getColorPointer()</a>, <a class="el" href="a06247.html#l00890">NL3D::CPSLocatedBindable::getDriver()</a>, <a class="el" href="a06235.html#l00536">NL3D::CPSFanLight::getNumFanlightsInVB()</a>, <a class="el" href="a06235.html#l00459">NL3D::CPSFanLight::getVBnIB()</a>, <a class="el" href="a06710.html#l00438">NL3D::CVertexBuffer::getVertexCoordPointer()</a>, <a class="el" href="a06711.html#l00473">NL3D::CVertexBuffer::getVertexSize()</a>, <a class="el" href="a06246.html#l00500">NL3D::CPSLocated::incrementNbDrawnParticles()</a>, <a class="el" href="a03136.html#NL3D_1_1CPSAttribMakerz714_2">NL3D::CPSAttribMaker&lt; float &gt;::make()</a>, <a class="el" href="a03136.html#NL3D_1_1CPSAttribMakerz714_2">NL3D::CPSAttribMaker&lt; CRGBA &gt;::make()</a>, <a class="el" href="a05484.html#l00038">min</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a06152.html#l00060">PARTICLES_CHECK_MEM</a>, <a class="el" href="a02434.html#NL3D_1_1IDrivera56">NL3D::IDriver::renderTriangles()</a>, <a class="el" href="a06246.html#l02142">NL3D::CPSLocatedBindable::setupDriverModelMatrix()</a>, <a class="el" href="a05981.html#l00099">sint32</a>, <a class="el" href="a05646.html#l00645">size</a>, <a class="el" href="a05646.html#l00244">stride</a>, <a class="el" href="a06236.html#l00153">NL3D::CPSFanLight::TIndexBuffer</a>, <a class="el" href="a05981.html#l00105">uint</a>, <a class="el" href="a05981.html#l00100">uint32</a>, and <a class="el" href="a05981.html#l00096">uint8</a>.
+<p>
+<div class="fragment"><pre>00073 {
+00074 <a class="code" href="a04729.html#a0">PARTICLES_CHECK_MEM</a>;
+00075 <a class="code" href="a04199.html#a6">nlassert</a>(f._RandomPhaseTabInitialized);
+00076 <span class="comment">//</span>
+00077 f.setupDriverModelMatrix();
+00078 <span class="keyword">const</span> CVector I = f.computeI();
+00079 <span class="keyword">const</span> CVector K = f.computeK();
+00080 <span class="comment">// </span>
+00081 CVertexBuffer *vb;
+00082 CPSFanLight::TIndexBuffer *ib;
+00083 <span class="comment">// get (and build if necessary) the vb and the ib</span>
+00084 f.getVBnIB(vb, ib);
+00085 IDriver *driver = f.getDriver();
+00086 driver-&gt;activeVertexBuffer(*vb);
+00087 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> maxNumFanLightToDealWith = <a class="code" href="a04061.html#a0">std::min</a>(FanLightBufSize, f.getNumFanlightsInVB());
+00088 <a class="code" href="a04558.html#a7">uint8</a> *randomPhaseTab = &amp;f._RandomPhaseTab[f._PhaseSmoothness][0];
+00089 f._Owner-&gt;incrementNbDrawnParticles(size); <span class="comment">// for benchmark purpose </span>
+00090 <span class="keywordtype">float</span> pSizes[<a class="code" href="a05363.html#a242">FanLightBufSize</a>];
+00091 <span class="keywordtype">float</span> pAngles[<a class="code" href="a05363.html#a242">FanLightBufSize</a>];
+00092 T endPosIt;
+00093
+00094 <a class="code" href="a04558.html#a10">sint32</a> k; <span class="comment">// helps to count the fans</span>
+00095
+00096
+00097 <span class="comment">// if so, we need to deal process separatly group of particles </span>
+00098 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a582">stride</a> = vb-&gt;getVertexSize();
+00099
+00100 <span class="keywordtype">float</span> currentAngle;
+00101 <span class="keyword">const</span> <span class="keywordtype">float</span> angleStep = 256.0f / f._NbFans;
+00102
+00103
+00104 <span class="keywordtype">float</span> *currentSizePt; <span class="comment">// it points either the particle constant size, or a size in a table</span>
+00105 <span class="keywordtype">float</span> *currentAnglePt; <span class="comment">// it points either the particle constant angle, or an angle in a table</span>
+00106
+00107
+00108 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> currentSizePtIncrement = f._SizeScheme ? 1 : 0; <span class="comment">// increment to get the next size for the size pointer. It is 0 if the size is constant</span>
+00109 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> currentAnglePtIncrement = f._Angle2DScheme ? 1 : 0; <span class="comment">// increment to get the next angle for the angle pointer. It is 0 if the size is constant</span>
+00110
+00111
+00112 <a class="code" href="a04558.html#a15">uint</a> leftToDo = <a class="code" href="a04223.html#a587">size</a>;
+00113 <span class="keywordflow">do</span>
+00114 {
+00115 <a class="code" href="a04558.html#a7">uint8</a> *ptVect = (<a class="code" href="a04558.html#a7">uint8</a> *) vb-&gt;getVertexCoordPointer();
+00116 <a class="code" href="a04558.html#a15">uint</a> toProcess = <a class="code" href="a04061.html#a0">std::min</a>(leftToDo, maxNumFanLightToDealWith);
+00117 <span class="comment">// compute individual colors if needed</span>
+00118 <span class="keywordflow">if</span> (f._ColorScheme)
+00119 {
+00120 <span class="comment">// we change the color at each fan light center</span>
+00121 f._ColorScheme-&gt;make(f._Owner, size - leftToDo, vb-&gt;getColorPointer(), vb-&gt;getVertexSize() * (f._NbFans + 2), toProcess, <span class="keyword">false</span>, srcStep);
+00122 }
+00123 <span class="keywordflow">if</span> (f._SizeScheme)
+00124 {
+00125 currentSizePt = (<span class="keywordtype">float</span> *) (f._SizeScheme-&gt;make(f._Owner, size - leftToDo, pSizes, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>), toProcess, <span class="keyword">true</span>, srcStep));
+00126 currentSizePt = pSizes;
+00127 }
+00128 <span class="keywordflow">else</span>
+00129 {
+00130 currentSizePt = &amp;f._ParticleSize;
+00131 }
+00132 <span class="keywordflow">if</span> (f._Angle2DScheme)
+00133 {
+00134 currentAnglePt = (<span class="keywordtype">float</span> *) (f._Angle2DScheme-&gt;make(f._Owner, size - leftToDo, pAngles, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>), toProcess, <span class="keyword">true</span>, srcStep));
+00135 }
+00136 <span class="keywordflow">else</span>
+00137 {
+00138 currentAnglePt = &amp;f._Angle2D;
+00139 }
+00140 <span class="comment">// </span>
+00141 <span class="keywordtype">float</span> fSize, firstSize, sizeStepBase=0.0, sizeStep;
+00142 <span class="keywordflow">if</span> (f._PhaseSmoothness)
+00143 {
+00144 sizeStepBase = 1.f / f._PhaseSmoothness;
+00145 }
+00146 endPosIt = posIt + toProcess;
+00147 <span class="keywordflow">for</span> (;posIt != endPosIt; ++posIt, ++timeIt)
+00148 {
+00149
+00150 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(*vb, ptVect);
+00151 *(CVector *) ptVect = *posIt;
+00152 <span class="comment">// the start angle</span>
+00153 currentAngle = *currentAnglePt;
+00154 <span class="keyword">const</span> <a class="code" href="a04558.html#a7">uint8</a> phaseAdd = (<a class="code" href="a04558.html#a7">uint8</a>) (f._PhaseSpeed * (*timeIt));
+00155 ptVect += <a class="code" href="a04223.html#a582">stride</a>;
+00156 <span class="keyword">const</span> <span class="keywordtype">float</span> fanSize = *currentSizePt * 0.5f;
+00157 <span class="keyword">const</span> <span class="keywordtype">float</span> moveIntensity = f._MoveIntensity * fanSize;
+00158 <span class="comment">// compute radius &amp; vect for first fan</span>
+00159 firstSize = fanSize + (moveIntensity * CPSUtil::getCos(randomPhaseTab[0] + phaseAdd));
+00160 *(CVector *) ptVect = (*posIt) + I * firstSize * (CPSUtil::getCos((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle))
+00161 + K * firstSize * (CPSUtil::getSin((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle));
+00162 currentAngle += angleStep;
+00163 ptVect += <a class="code" href="a04223.html#a582">stride</a>;
+00164 fSize = firstSize;
+00165 <span class="comment">// computes other fans</span>
+00166 <span class="keyword">const</span> <a class="code" href="a04558.html#a10">sint32</a> upperBound = (<a class="code" href="a04558.html#a10">sint32</a>) (f._NbFans - f._PhaseSmoothness - 1);
+00167 <span class="keywordflow">for</span> (k = 1; k &lt;= upperBound; ++k)
+00168 {
+00169 fSize = fanSize + (moveIntensity * CPSUtil::getCos(randomPhaseTab[k] + phaseAdd));
+00170 *(CVector *) ptVect = (*posIt) + I * fSize * (CPSUtil::getCos((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle))
+00171 + K * fSize * (CPSUtil::getSin((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle));
+00172 currentAngle += angleStep;
+00173 ptVect += <a class="code" href="a04223.html#a582">stride</a>;
+00174 }
+00175
+00176 <span class="comment">// interpolate radius, so that the fanlight loops correctly</span>
+00177 sizeStep = sizeStepBase * (firstSize - fSize);
+00178 <span class="keywordflow">for</span> (; k &lt;= (<a class="code" href="a04558.html#a10">sint32</a>) (f._NbFans - 1); ++k)
+00179 {
+00180 *(CVector *) ptVect = (*posIt) + I * fSize * (CPSUtil::getCos((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle))
+00181 + K * fSize * (CPSUtil::getSin((<a class="code" href="a04558.html#a10">sint32</a>) currentAngle));
+00182 currentAngle += angleStep;
+00183 ptVect += <a class="code" href="a04223.html#a582">stride</a>;
+00184 fSize += sizeStep;
+00185 }
+00186 <span class="comment">// last fan</span>
+00187 *(CVector *) ptVect = (*posIt) + I * firstSize * (CPSUtil::getCos((<a class="code" href="a04558.html#a10">sint32</a>) *currentAnglePt))
+00188 + K * firstSize * (CPSUtil::getSin((<a class="code" href="a04558.html#a10">sint32</a>) *currentAnglePt));
+00189 ptVect += <a class="code" href="a04223.html#a582">stride</a>;
+00190 currentSizePt += currentSizePtIncrement;
+00191 currentAnglePt += currentAnglePtIncrement;
+00192 }
+00193 driver-&gt;renderTriangles(f._Mat, &amp;((*ib)[0]), toProcess * f._NbFans);
+00194 leftToDo -= toProcess;
+00195 }
+00196 <span class="keywordflow">while</span> (leftToDo != 0);
+00197 <a class="code" href="a04729.html#a0">PARTICLES_CHECK_MEM</a>;
+00198 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following file:<ul>
+<li><a class="el" href="a06235.html">ps_fan_light.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 07:13:02 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>