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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
committerneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<hr><h1>ps_face_look_at.cpp</h1><a href="ps__face__look__at_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
+00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
+00008 <font class="comment"> *</font>
+00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
+00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
+00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
+00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
+00013 <font class="comment"> * any later version.</font>
+00014 <font class="comment"></font>
+00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
+00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
+00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
+00018 <font class="comment"> * General Public License for more details.</font>
+00019 <font class="comment"></font>
+00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
+00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
+00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
+00023 <font class="comment"> * MA 02111-1307, USA.</font>
+00024 <font class="comment"> */</font>
+00025
+00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
+00027
+00028 <font class="preprocessor">#include "<a class="code" href="ps__face__look__at_8h.html">3d/ps_face_look_at.h</a>"</font>
+00029 <font class="preprocessor">#include "<a class="code" href="ps__macro_8h.html">3d/ps_macro.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
+00031 <font class="preprocessor">#include "<a class="code" href="fast__floor_8h.html">3d/fast_floor.h</a>"</font>
+00032 <font class="preprocessor">#include "<a class="code" href="ps__iterator_8h.html">3d/ps_iterator.h</a>"</font>
+00033
+00034
+00035 <font class="keyword">namespace </font>NL3D
+00036 {
+00037
+00038
+00039
+00041 <font class="comment">// CPSFaceLookAt implementation //</font>
+00043 <font class="comment"></font>
+00044
+<a name="l00050"></a><a class="code" href="classNL3D_1_1CPSFaceLookAtHelper.html">00050</a> <font class="keyword">class </font>CPSFaceLookAtHelper
+00051 {
+00052 <font class="keyword">public</font>:
+00053 <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt;
+<a name="l00054"></a><a class="code" href="classNL3D_1_1CPSFaceLookAtHelper.html#d0">00054</a> <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CPSFaceLookAtHelper.html#d0">drawLookAt</a>(T it, T speedIt, CPSFaceLookAt &amp;la, uint size, uint32 srcStep)
+00055 {
+00056 PARTICLES_CHECK_MEM;
+00057 <a class="code" href="debug_8h.html#a6">nlassert</a>(la._Owner);
+00058 IDriver *driver = la.getDriver();
+00059
+00060 la.updateMatBeforeRendering(driver);
+00061
+00062 CVertexBuffer &amp;vb = la.getNeededVB();
+00063 la._Owner-&gt;incrementNbDrawnParticles(size); <font class="comment">// for benchmark purpose </font>
+00064 la.setupDriverModelMatrix();
+00065 driver-&gt;activeVertexBuffer(vb);
+00066 <font class="keyword">const</font> CVector I = la.computeI();
+00067 <font class="keyword">const</font> CVector J = la.computeJ();
+00068 <font class="keyword">const</font> CVector K = la.computeK();
+00069 <font class="keyword">const</font> <font class="keywordtype">float</font> *rotTable = CPSRotated2DParticle::getRotTable();
+00070 <font class="comment">// for each the particle can be constantly rotated or have an independant rotation for each particle</font>
+00071 <font class="comment">// number of face left, and number of face to process at once</font>
+00072 uint32 leftToDo = size, toProcess;
+00073 <font class="keywordtype">float</font> pSizes[CPSQuad::quadBufSize]; <font class="comment">// the sizes to use </font>
+00074 <font class="keywordtype">float</font> pSecondSizes[CPSQuad::quadBufSize]; <font class="comment">// the second sizes to use</font>
+00075 <font class="keywordtype">float</font> *currentSize;
+00076 uint32 currentSizeStep = la._SizeScheme ? 1 : 0;
+00077 <font class="comment">// point the vector part in the current vertex</font>
+00078 uint8 *ptPos;
+00079 <font class="comment">// strides to go from one vertex to another one</font>
+00080 <font class="keyword">const</font> uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> = vb.getVertexSize(), stride2 = <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> &lt;&lt; 1, stride3 = <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + stride2, stride4 = <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> &lt;&lt; 2;
+00081 <font class="keywordflow">if</font> (!la._Angle2DScheme)
+00082 {
+00083 <font class="comment">// constant rotation case</font>
+00084 <font class="keywordflow">do</font>
+00085 {
+00086 <font class="comment">// restart at the beginning of the vertex buffer</font>
+00087 ptPos = (uint8 *) vb.getVertexCoordPointer();
+00088 toProcess = leftToDo &lt;= CPSQuad::quadBufSize ? leftToDo : CPSQuad::quadBufSize;
+00089
+00090 <font class="keywordflow">if</font> (la._SizeScheme)
+00091 {
+00092 currentSize = (<font class="keywordtype">float</font> *) la._SizeScheme-&gt;make(la._Owner, size- leftToDo, pSizes, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>), toProcess, <font class="keyword">true</font>, srcStep);
+00093 }
+00094 <font class="keywordflow">else</font>
+00095 {
+00096 currentSize = &amp;la._ParticleSize;
+00097 }
+00098
+00099 la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep);
+00100 T endIt = it + toProcess;
+00101 <font class="keywordflow">if</font> (la._MotionBlurCoeff == 0.f)
+00102 {
+00103 <font class="keywordflow">if</font> (!la._IndependantSizes)
+00104 {
+00105 <font class="keyword">const</font> uint32 tabIndex = (((uint32) la._Angle2D) &amp; 0xff) &lt;&lt; 2;
+00106 <font class="keyword">const</font> CVector v1 = rotTable[tabIndex] * I + rotTable[tabIndex + 1] * K;
+00107 <font class="keyword">const</font> CVector v2 = rotTable[tabIndex + 2] * I + rotTable[tabIndex + 3] * K;
+00108 <font class="keywordflow">if</font> (currentSizeStep)
+00109 {
+00110 <font class="keywordflow">while</font> (it != endIt)
+00111 {
+00112 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00113 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v1.x;
+00114 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v1.y;
+00115 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v1.z;
+00116 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00117
+00118 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00119 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v2.x;
+00120 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v2.y;
+00121 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v2.z;
+00122 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00123
+00124 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00125 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v1.x;
+00126 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v1.y;
+00127 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v1.z;
+00128 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00129
+00130 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00131 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v2.x;
+00132 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v2.y;
+00133 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v2.z;
+00134 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00135
+00136 ++it;
+00137 currentSize += currentSizeStep;
+00138 }
+00139 }
+00140 <font class="keywordflow">else</font>
+00141 {
+00142 <font class="comment">// constant size</font>
+00143 <font class="keyword">const</font> CVector myV1 = *currentSize * v1;
+00144 <font class="keyword">const</font> CVector myV2 = *currentSize * v2;
+00145
+00146 <font class="keywordflow">while</font> (it != endIt)
+00147 {
+00148 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00149 ((CVector *) ptPos)-&gt;x = (*it).x + myV1.x;
+00150 ((CVector *) ptPos)-&gt;y = (*it).y + myV1.y;
+00151 ((CVector *) ptPos)-&gt;z = (*it).z + myV1.z;
+00152 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00153
+00154 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00155 ((CVector *) ptPos)-&gt;x = (*it).x + myV2.x;
+00156 ((CVector *) ptPos)-&gt;y = (*it).y + myV2.y;
+00157 ((CVector *) ptPos)-&gt;z = (*it).z + myV2.z;
+00158 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00159
+00160 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00161 ((CVector *) ptPos)-&gt;x = (*it).x - myV1.x;
+00162 ((CVector *) ptPos)-&gt;y = (*it).y - myV1.y;
+00163 ((CVector *) ptPos)-&gt;z = (*it).z - myV1.z;
+00164 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00165
+00166 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00167 ((CVector *) ptPos)-&gt;x = (*it).x - myV2.x;
+00168 ((CVector *) ptPos)-&gt;y = (*it).y - myV2.y;
+00169 ((CVector *) ptPos)-&gt;z = (*it).z - myV2.z;
+00170 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00171 ++it;
+00172 }
+00173 }
+00174 }
+00175 <font class="keywordflow">else</font> <font class="comment">// independant sizes</font>
+00176 {
+00177 <font class="keyword">const</font> CVector v1 = CPSUtil::getCos((sint32) la._Angle2D) * I + CPSUtil::getSin((sint32) la._Angle2D) * K;
+00178 <font class="keyword">const</font> CVector v2 = - CPSUtil::getSin((sint32) la._Angle2D) * I + CPSUtil::getCos((sint32) la._Angle2D) * K;
+00179
+00180 <font class="keywordtype">float</font> *currentSize2;
+00181 <font class="keywordtype">float</font> secondSize;
+00182 uint32 currentSizeStep2;
+00183 <font class="keywordflow">if</font> (la._SecondSize.getSizeScheme())
+00184 {
+00185 currentSize2 = (<font class="keywordtype">float</font> *) la._SecondSize.getSizeScheme()-&gt;make(la._Owner, size- leftToDo, pSecondSizes, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>), toProcess, <font class="keyword">true</font>, srcStep);
+00186 currentSizeStep2 = 1;
+00187 }
+00188 <font class="keywordflow">else</font>
+00189 {
+00190 secondSize = la._SecondSize.getSize();
+00191 currentSize2 = &amp;secondSize;
+00192 currentSizeStep2 = 0;
+00193 }
+00194
+00195
+00196 <font class="keywordflow">while</font> (it != endIt)
+00197 {
+00198 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00199 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
+00200 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
+00201 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
+00202 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00203
+00204 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00205 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
+00206 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
+00207 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
+00208 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00209
+00210 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00211 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
+00212 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
+00213 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
+00214 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00215
+00216 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00217 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
+00218 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
+00219 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
+00220 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00221 ++it;
+00222 currentSize += currentSizeStep;
+00223 currentSize2 += currentSizeStep2;
+00224 }
+00225 }
+00226 }
+00227 <font class="keywordflow">else</font>
+00228 {
+00229 <font class="comment">// perform motion, blur, we need an iterator on speed</font>
+00230 <font class="comment">// independant sizes and rotation not supported for now with motion blur </font>
+00231 <font class="keyword">const</font> CVector v1 = I + K;
+00232 <font class="keyword">const</font> CVector v2 = K - I;
+00233 CVector startV, endV, mbv1, mbv1n, mbv12, mbv2;
+00234 <font class="comment">// norme of the v1 vect</font>
+00235 <font class="keywordtype">float</font> n;
+00236 <font class="keyword">const</font> <font class="keywordtype">float</font> epsilon = 10E-5f;
+00237 <font class="keyword">const</font> <font class="keywordtype">float</font> normEpsilon = 10E-6f;
+00238
+00239 CMatrix tMat = la._Owner-&gt;isInSystemBasis() ? la.getViewMat() * la.getSysMat()
+00240 : la.getViewMat();
+00241
+00242 <font class="keywordflow">while</font> (it != endIt)
+00243 {
+00244 <font class="comment">// project the speed in the projection plane</font>
+00245 <font class="comment">// this give us the v1 vect</font>
+00246 startV = tMat * *it ;
+00247 endV = tMat * (*it + *speedIt);
+00248 <font class="keywordflow">if</font> (startV.y &gt; epsilon || endV.y &gt; epsilon)
+00249 {
+00250 <font class="keywordflow">if</font> (startV.y &lt; epsilon)
+00251 {
+00252 <font class="keywordflow">if</font> (fabsf(endV.y - startV.y) &gt; normEpsilon)
+00253 {
+00254 startV = endV + (endV.y - epsilon) / (endV.y - startV.y) * (startV - endV);
+00255 }
+00256 startV.y = epsilon;
+00257 }
+00258 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (endV.y &lt; epsilon)
+00259 {
+00260 <font class="keywordflow">if</font> (fabsf(endV.y - startV.y) &gt; normEpsilon)
+00261 {
+00262 endV = startV + (startV.y - epsilon) / (startV.y - endV.y) * (endV - startV);
+00263 }
+00264 endV.y = epsilon;
+00265 }
+00266
+00267 mbv1 = (startV.x / startV.y - endV.x / endV.y) * I
+00268 + (startV.z / startV.y - endV.z / endV.y) * K ;
+00269
+00270 n = mbv1.norm();
+00271 <font class="keywordflow">if</font> (n &gt; la._Threshold)
+00272 {
+00273 mbv1 *= la._Threshold / n;
+00274 n = la._Threshold;
+00275 }
+00276 <font class="keywordflow">if</font> (n &gt; normEpsilon)
+00277 {
+00278 mbv1n = mbv1 / n;
+00279 mbv2 = *currentSize * (J ^ mbv1n);
+00280 mbv12 = -*currentSize * mbv1n;
+00281 mbv1 *= *currentSize * (1 + la._MotionBlurCoeff * n * n) / n;
+00282
+00283 *(CVector *) ptPos = *it - mbv2;
+00284 *(CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *it + mbv1;
+00285 *(CVector *) (ptPos + stride2) = *it + mbv2;
+00286 *(CVector *) (ptPos + stride3) = *it + mbv12;
+00287
+00288
+00289 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00290 ((CVector *) ptPos)-&gt;x = (*it).x - mbv2.x;
+00291 ((CVector *) ptPos)-&gt;y = (*it).y - mbv2.y;
+00292 ((CVector *) ptPos)-&gt;z = (*it).z - mbv2.z;
+00293
+00294 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
+00295 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;x = (*it).x + mbv1.x;
+00296 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;y = (*it).y + mbv1.y;
+00297 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;z = (*it).z + mbv1.z;
+00298
+00299 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride2);
+00300 ((CVector *) (ptPos + stride2))-&gt;x = (*it).x + mbv2.x;
+00301 ((CVector *) (ptPos + stride2))-&gt;y = (*it).y + mbv2.y;
+00302 ((CVector *) (ptPos + stride2))-&gt;z = (*it).z + mbv2.z;
+00303
+00304
+00305 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride3);
+00306 ((CVector *) (ptPos + stride3))-&gt;x = (*it).x + mbv12.x;
+00307 ((CVector *) (ptPos + stride3))-&gt;y = (*it).y + mbv12.y;
+00308 ((CVector *) (ptPos + stride3))-&gt;z = (*it).z + mbv12.z;
+00309
+00310 }
+00311 <font class="keywordflow">else</font> <font class="comment">// speed too small, we must avoid imprecision</font>
+00312 {
+00313 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00314 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v2.x;
+00315 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v2.y;
+00316 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v2.z;
+00317
+00318 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
+00319 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;x = (*it).x + *currentSize * v1.x;
+00320 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;y = (*it).y + *currentSize * v1.y;
+00321 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;z = (*it).z + *currentSize * v1.z;
+00322
+00323 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride2);
+00324 ((CVector *) (ptPos + stride2))-&gt;x = (*it).x + *currentSize * v2.x;
+00325 ((CVector *) (ptPos + stride2))-&gt;y = (*it).y + *currentSize * v2.y;
+00326 ((CVector *) (ptPos + stride2))-&gt;z = (*it).z + *currentSize * v2.z;
+00327
+00328
+00329 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride3);
+00330 ((CVector *) (ptPos + stride3))-&gt;x = (*it).x - *currentSize * v1.x;
+00331 ((CVector *) (ptPos + stride3))-&gt;y = (*it).y - *currentSize * v1.y;
+00332 ((CVector *) (ptPos + stride3))-&gt;z = (*it).z - *currentSize * v1.z;
+00333 }
+00334 }
+00335 <font class="keywordflow">else</font>
+00336 {
+00337
+00338 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00339 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v2.x;
+00340 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v2.y;
+00341 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v2.z;
+00342
+00343 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
+00344 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;x = (*it).x + *currentSize * v1.x;
+00345 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;y = (*it).y + *currentSize * v1.y;
+00346 ((CVector *) (ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>))-&gt;z = (*it).z + *currentSize * v1.z;
+00347
+00348 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride2);
+00349 ((CVector *) (ptPos + stride2))-&gt;x = (*it).x + *currentSize * v2.x;
+00350 ((CVector *) (ptPos + stride2))-&gt;y = (*it).y + *currentSize * v2.y;
+00351 ((CVector *) (ptPos + stride2))-&gt;z = (*it).z + *currentSize * v2.z;
+00352
+00353
+00354 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride3);
+00355 ((CVector *) (ptPos + stride3))-&gt;x = (*it).x - *currentSize * v1.x;
+00356 ((CVector *) (ptPos + stride3))-&gt;y = (*it).y - *currentSize * v1.y;
+00357 ((CVector *) (ptPos + stride3))-&gt;z = (*it).z - *currentSize * v1.z;
+00358 }
+00359
+00360 ptPos += stride4;
+00361 ++it;
+00362 ++speedIt;
+00363 currentSize += currentSizeStep;
+00364 }
+00365
+00366 }
+00367 driver-&gt;renderQuads(la._Mat, 0, toProcess);
+00368 leftToDo -= toProcess;
+00369 }
+00370 <font class="keywordflow">while</font> (leftToDo);
+00371 }
+00372 <font class="keywordflow">else</font>
+00373 {
+00374 <font class="keywordtype">float</font> pAngles[CPSQuad::quadBufSize]; <font class="comment">// the angles to use</font>
+00375 <font class="keywordtype">float</font> *currentAngle;
+00376 <font class="keywordflow">do</font>
+00377 {
+00378 <font class="comment">// restart at the beginning of the vertex buffer</font>
+00379 ptPos = (uint8 *) vb.getVertexCoordPointer();
+00380 toProcess = leftToDo &lt;= CPSQuad::quadBufSize ? leftToDo : CPSQuad::quadBufSize;
+00381 <font class="keywordflow">if</font> (la._SizeScheme)
+00382 {
+00383 currentSize = (<font class="keywordtype">float</font> *) la._SizeScheme-&gt;make(la._Owner, size - leftToDo, pSizes, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>), toProcess, <font class="keyword">true</font>, srcStep);
+00384 }
+00385 <font class="keywordflow">else</font>
+00386 {
+00387 currentSize = &amp;la._ParticleSize;
+00388 }
+00389 currentAngle = (<font class="keywordtype">float</font> *) la._Angle2DScheme-&gt;make(la._Owner, size - leftToDo, pAngles, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>), toProcess, <font class="keyword">true</font>, srcStep);
+00390 la.updateVbColNUVForRender(vb, size - leftToDo, toProcess, srcStep);
+00391 T endIt = it + toProcess;
+00392 CVector v1, v2;
+00393 <a class="code" href="namespaceNL3D.html#a360">OptFastFloorBegin</a>();
+00394 <font class="keywordflow">if</font> (!la._IndependantSizes)
+00395 {
+00396 <font class="keywordflow">while</font> (it != endIt)
+00397 {
+00398 <font class="keyword">const</font> uint32 tabIndex = ((<a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(*currentAngle)) &amp; 0xff) &lt;&lt; 2;
+00399 <font class="comment">// lets avoid some ctor calls</font>
+00400 v1.x = *currentSize * (rotTable[tabIndex] * I.x + rotTable[tabIndex + 1] * K.x);
+00401 v1.y = *currentSize * (rotTable[tabIndex] * I.y + rotTable[tabIndex + 1] * K.y);
+00402 v1.z = *currentSize * (rotTable[tabIndex] * I.z + rotTable[tabIndex + 1] * K.z);
+00403
+00404 v2.x = *currentSize * (rotTable[tabIndex + 2] * I.x + rotTable[tabIndex + 3] * K.x);
+00405 v2.y = *currentSize * (rotTable[tabIndex + 2] * I.y + rotTable[tabIndex + 3] * K.y);
+00406 v2.z = *currentSize * (rotTable[tabIndex + 2] * I.z + rotTable[tabIndex + 3] * K.z);
+00407
+00408 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00409 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
+00410 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride2);
+00411 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos + stride3);
+00412
+00413 ((CVector *) ptPos)-&gt;x = (*it).x + v1.x;
+00414 ((CVector *) ptPos)-&gt;y = (*it).y + v1.y;
+00415 ((CVector *) ptPos)-&gt;z = (*it).z + v1.z;
+00416 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00417
+00418 ((CVector *) ptPos)-&gt;x = (*it).x + v2.x;
+00419 ((CVector *) ptPos)-&gt;y = (*it).y + v2.y;
+00420 ((CVector *) ptPos)-&gt;z = (*it).z + v2.z;
+00421 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00422
+00423 ((CVector *) ptPos)-&gt;x = (*it).x - v1.x;
+00424 ((CVector *) ptPos)-&gt;y = (*it).y - v1.y;
+00425 ((CVector *) ptPos)-&gt;z = (*it).z - v1.z;
+00426 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00427
+00428 ((CVector *) ptPos)-&gt;x = (*it).x - v2.x;
+00429 ((CVector *) ptPos)-&gt;y = (*it).y - v2.y;
+00430 ((CVector *) ptPos)-&gt;z = (*it).z - v2.z;
+00431 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00432
+00433 ++it;
+00434 currentSize += currentSizeStep;
+00435 ++currentAngle;
+00436 }
+00437 }
+00438 <font class="keywordflow">else</font> <font class="comment">// independant size, and non-constant rotation</font>
+00439 {
+00440
+00441 <font class="keywordtype">float</font> *currentSize2;
+00442 <font class="keywordtype">float</font> secondSize;
+00443 uint32 currentSizeStep2;
+00444 <font class="keywordflow">if</font> (la._SecondSize.getSizeScheme())
+00445 {
+00446 currentSize2 = (<font class="keywordtype">float</font> *) la._SecondSize.getSizeScheme()-&gt;make(la._Owner, size- leftToDo, pSecondSizes, <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>), toProcess, <font class="keyword">true</font>, srcStep);
+00447 currentSizeStep2 = 1;
+00448 }
+00449 <font class="keywordflow">else</font>
+00450 {
+00451 secondSize = la._SecondSize.getSize();
+00452 currentSize2 = &amp;secondSize;
+00453 currentSizeStep2 = 0;
+00454 }
+00455
+00456 <font class="keywordtype">float</font> cosAngle, sinAngle;
+00457 <font class="keywordflow">while</font> (it != endIt)
+00458 {
+00459 cosAngle = CPSUtil::getCos((sint32) *currentAngle);
+00460 sinAngle = CPSUtil::getSin((sint32) *currentAngle);
+00461 v1 = cosAngle * I + sinAngle * K;
+00462 v2 = - sinAngle * I + cosAngle * K;
+00463
+00464 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00465 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v1.x + *currentSize2 * v2.x;
+00466 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v1.y + *currentSize2 * v2.y;
+00467 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v1.z + *currentSize2 * v2.z;
+00468 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00469
+00470 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00471 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v1.x + *currentSize2 * v2.x;
+00472 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v1.y + *currentSize2 * v2.y;
+00473 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v1.z + *currentSize2 * v2.z;
+00474 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00475
+00476 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00477 ((CVector *) ptPos)-&gt;x = (*it).x + *currentSize * v1.x - *currentSize2 * v2.x;
+00478 ((CVector *) ptPos)-&gt;y = (*it).y + *currentSize * v1.y - *currentSize2 * v2.y;
+00479 ((CVector *) ptPos)-&gt;z = (*it).z + *currentSize * v1.z - *currentSize2 * v2.z;
+00480 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00481
+00482 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, ptPos);
+00483 ((CVector *) ptPos)-&gt;x = (*it).x - *currentSize * v1.x - *currentSize2 * v2.x;
+00484 ((CVector *) ptPos)-&gt;y = (*it).y - *currentSize * v1.y - *currentSize2 * v2.y;
+00485 ((CVector *) ptPos)-&gt;z = (*it).z - *currentSize * v1.z - *currentSize2 * v2.z;
+00486 ptPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
+00487 ++it;
+00488 ++currentAngle;
+00489 currentSize += currentSizeStep;
+00490 currentSize2 += currentSizeStep2;
+00491 }
+00492 }
+00493 <a class="code" href="namespaceNL3D.html#a361">OptFastFloorEnd</a>();
+00494 driver-&gt;renderQuads(la._Mat, 0, toProcess);
+00495 leftToDo -= toProcess;
+00496 }
+00497 <font class="keywordflow">while</font> (leftToDo);
+00498 }
+00499 PARTICLES_CHECK_MEM;
+00500 }
+00501 };
+00502
+<a name="l00504"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#b0">00504</a> <font class="keywordtype">void</font> CPSFaceLookAt::draw(<font class="keywordtype">bool</font> opaque)
+00505 {
+00506 PARTICLES_CHECK_MEM;
+00507 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getSize()) <font class="keywordflow">return</font>;
+00508
+00509 uint32 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>;
+00510 uint numToProcess;
+00511 <a class="code" href="classNL3D_1_1CPSParticle.html#b4">computeSrcStep</a>(<a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>, numToProcess);
+00512 <font class="keywordflow">if</font> (!numToProcess) <font class="keywordflow">return</font>;
+00513
+00514
+00515 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a> == (1 &lt;&lt; 16))
+00516 {
+00517 CPSFaceLookAtHelper::drawLookAt(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getPos().begin(),
+00518 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getSpeed().begin(),
+00519 *<font class="keyword">this</font>,
+00520 numToProcess,
+00521 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>
+00522 );
+00523 }
+00524 <font class="keywordflow">else</font>
+00525 {
+00526 CPSFaceLookAtHelper::drawLookAt(<a class="code" href="namespaceNL3D.html#a199">TIteratorVectStep1616</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getPos().begin(), 0, <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>),
+00527 <a class="code" href="namespaceNL3D.html#a199">TIteratorVectStep1616</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getSpeed().begin(), 0, <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>),
+00528 *<font class="keyword">this</font>,
+00529 numToProcess,
+00530 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>
+00531 );
+00532 }
+00533
+00534 PARTICLES_CHECK_MEM;
+00535 }
+00536
+<a name="l00538"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#a0">00538</a> CPSFaceLookAt::CPSFaceLookAt(CSmartPtr&lt;ITexture&gt; tex) : CPSQuad(tex), _MotionBlurCoeff(0.f)
+00539 , _Threshold(0.5f), _IndependantSizes(false)
+00540 {
+00541 <a class="code" href="classNL3D_1_1CPSFaceLookAt.html#n2">_SecondSize</a>.<a class="code" href="structNL3D_1_1CPSFaceLookAt_1_1CSecondSize.html#m0">Owner</a> = <font class="keyword">this</font>;
+00542 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n3">_Name</a> = std::string(<font class="stringliteral">"LookAt"</font>);
+00543 }
+00544
+<a name="l00546"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#b1">00546</a> <font class="keywordtype">void</font> CPSFaceLookAt::newElement(CPSLocated *emitterLocated, uint32 emitterIndex)
+00547 {
+00548 CPSQuad::newElement(emitterLocated, emitterIndex);
+00549 <a class="code" href="classNL3D_1_1CPSRotated2DParticle.html#b1">newAngle2DElement</a>(emitterLocated, emitterIndex);
+00550 }
+00551
+<a name="l00553"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#b2">00553</a> <font class="keywordtype">void</font> CPSFaceLookAt::deleteElement(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
+00554 {
+00555 CPSQuad::deleteElement(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
+00556 <a class="code" href="classNL3D_1_1CPSRotated2DParticle.html#b2">deleteAngle2DElement</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
+00557 }
+00558
+<a name="l00560"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#b3">00560</a> <font class="keywordtype">void</font> CPSFaceLookAt::resize(uint32 capacity)
+00561 {
+00562 <a class="code" href="debug_8h.html#a6">nlassert</a>(capacity &lt; (1 &lt;&lt; 16));
+00563 CPSQuad::resize(capacity);
+00564 <a class="code" href="classNL3D_1_1CPSRotated2DParticle.html#b3">resizeAngle2D</a>(capacity);
+00565 }
+00566
+00567
+<a name="l00569"></a><a class="code" href="classNL3D_1_1CPSFaceLookAt.html#a1">00569</a> <font class="keywordtype">void</font> CPSFaceLookAt::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream)
+00570 {
+00571 sint ver = f.serialVersion(2);
+00572 CPSQuad::serial(f);
+00573 CPSRotated2DParticle::serialAngle2DScheme(f);
+00574 f.serial(_MotionBlurCoeff);
+00575 <font class="keywordflow">if</font> (_MotionBlurCoeff != 0)
+00576 {
+00577 f.serial(_Threshold);
+00578 }
+00579 <font class="keywordflow">if</font> (ver &gt; 1)
+00580 {
+00581 f.serial(_IndependantSizes);
+00582 <font class="keywordflow">if</font> (_IndependantSizes)
+00583 {
+00584 _SecondSize.serialSizeScheme(f);
+00585 }
+00586 }
+00587 <font class="keywordflow">if</font> (f.isReading())
+00588 {
+00589 init();
+00590 }
+00591 }
+00592
+00593 } <font class="comment">// NL3D</font>
+</pre></div>
+
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