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<hr><h1>ps_util.cpp</h1><a href="ps__util_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 
00029 <font class="preprocessor">#include "<a class="code" href="aabbox_8h.html">nel/misc/aabbox.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00031 
00032 <font class="preprocessor">#include "<a class="code" href="ps__util_8h.html">3d/ps_util.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="particle__system_8h.html">3d/particle_system.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="vertex__buffer_8h.html">3d/vertex_buffer.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="3d_2primitive__block_8h.html">3d/primitive_block.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="material_8h.html">3d/material.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="nelu_8h.html">3d/nelu.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="font__generator_8h.html">3d/font_generator.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="font__manager_8h.html">3d/font_manager.h</a>"</font>
00041 <font class="preprocessor">#include "<a class="code" href="computed__string_8h.html">3d/computed_string.h</a>"</font>
00042 <font class="preprocessor">#include "<a class="code" href="dru_8h.html">3d/dru.h</a>"</font>
00043 <font class="preprocessor">#include "<a class="code" href="ps__located_8h.html">3d/ps_located.h</a>"</font>
00044 <font class="preprocessor">#include "<a class="code" href="ps__sound_8h.html">3d/ps_sound.h</a>"</font>
00045 
00046 <font class="preprocessor">#include "<a class="code" href="particle__system__shape_8h.html">3d/particle_system_shape.h</a>"</font>
00047 
00048 
00049 
00050 <font class="keyword">namespace </font>NL3D {
00051 
00052 
00053 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00054 
00055 
00056 <font class="comment">//#ifdef NL_DEBUG</font>
<a name="l00057"></a><a class="code" href="structNL3D_1_1CPSUtil.html#r0">00057</a>         <font class="keywordtype">bool</font> CPSUtil::_CosTableInitialized = <font class="keyword">false</font>;
<a name="l00058"></a><a class="code" href="structNL3D_1_1CPSUtil.html#r1">00058</a>         <font class="keywordtype">bool</font> CPSUtil::_PerlinNoiseTableInitialized = <font class="keyword">false</font>;
00059 <font class="comment">//#endif</font>
00060 
<a name="l00061"></a><a class="code" href="structNL3D_1_1CPSUtil.html#r2">00061</a> <font class="keywordtype">float</font> CPSUtil::_CosTable[256];
<a name="l00062"></a><a class="code" href="structNL3D_1_1CPSUtil.html#r3">00062</a> <font class="keywordtype">float</font> CPSUtil::_SinTable[256];
<a name="l00063"></a><a class="code" href="structNL3D_1_1CPSUtil.html#r4">00063</a> <font class="keywordtype">float</font> CPSUtil::_PerlinNoiseTab[1024];
00064 
00065 
00066 
00067 
00068 <font class="comment">//==========================================================================</font>
<a name="l00069"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d15">00069</a> <font class="keywordtype">void</font> CPSUtil::initPerlinNoiseTable(<font class="keywordtype">void</font>)
00070 {
00071         <font class="keywordflow">for</font> (uint32 k = 0; k &lt; 1024; ++k)
00072         {
00073                 <a class="code" href="structNL3D_1_1CPSUtil.html#r4">_PerlinNoiseTab</a>[k] = (rand() % 30000) / 30000.f; 
00074         }
00075         <font class="comment">//#ifdef NL_DEBUG</font>
00076                 <a class="code" href="structNL3D_1_1CPSUtil.html#r1">_PerlinNoiseTableInitialized</a> = <font class="keyword">true</font>;
00077         <font class="comment">//#endif</font>
00078 }
00079 
00080 <font class="comment">//==========================================================================</font>
<a name="l00081"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d13">00081</a> <font class="keywordtype">void</font> CPSUtil::initFastCosNSinTable(<font class="keywordtype">void</font>)
00082 {
00083         <font class="keywordflow">for</font> (uint32 k = 0; k &lt; 256; k++)
00084         {
00085                 <font class="keyword">const</font> <font class="keywordtype">float</font> angle =  k / 256.0f * 2.0f * float(NLMISC::Pi); 
00086                 <a class="code" href="structNL3D_1_1CPSUtil.html#r2">_CosTable</a>[k] = (float) cos( angle );
00087                 <a class="code" href="structNL3D_1_1CPSUtil.html#r3">_SinTable</a>[k] = (float) sin( angle );
00088         }
00089         <font class="comment">//#ifdef NL_DEBUG</font>
00090                 <a class="code" href="structNL3D_1_1CPSUtil.html#r0">_CosTableInitialized</a> = <font class="keyword">true</font>;
00091         <font class="comment">//#endif</font>
00092 }
00093 
00094 <font class="comment">//==========================================================================</font>
<a name="l00095"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d0">00095</a> <font class="keywordtype">void</font> CPSUtil::registerSerialParticleSystem(<font class="keywordtype">void</font>)
00096 {                               
00097                 <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSLocated);                                                                              
00098                 <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CParticleSystemShape);            
00099                 <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSSound);
00100 
00101 
00102                 <a class="code" href="structNL3D_1_1CPSUtil.html#f1">registerParticles</a>();
00103                 <a class="code" href="structNL3D_1_1CPSUtil.html#f0">registerForces</a>();
00104                 <a class="code" href="structNL3D_1_1CPSUtil.html#f2">registerEmitters</a>();
00105                 <a class="code" href="structNL3D_1_1CPSUtil.html#f3">registerZones</a>();
00106                 <a class="code" href="structNL3D_1_1CPSUtil.html#f4">registerAttribs</a>();
00107 
00108 
00109                 <font class="comment">// while we are here, we perform some important inits           </font>
00110                 <a class="code" href="structNL3D_1_1CPSUtil.html#d13">initFastCosNSinTable</a>(); <font class="comment">// init fast cosine lookup table</font>
00111                 <a class="code" href="structNL3D_1_1CPSUtil.html#d15">initPerlinNoiseTable</a>(); <font class="comment">// init perlin noise table                              </font>
00112 }
00113 
00114 <font class="comment">//==========================================================================</font>
<a name="l00115"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d1">00115</a> <font class="keywordtype">void</font> CPSUtil::displayBBox(<a class="code" href="classNL3D_1_1IDriver.html">NL3D::IDriver</a> *driver, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> &amp;box, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col <font class="comment">/* = NLMISC::CRGBA::White */</font>)
00116 {       
00117         CVector max = box.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>()
00118                         ,<a class="code" href="bit__set_8cpp.html#a0">min</a> = box.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>();
00119         CVertexBuffer vb;
00120         vb.setVertexFormat(CVertexBuffer::PositionFlag);
00121         vb.setNumVertices(8);
00122 
00123         vb.setVertexCoord(0, <a class="code" href="bit__set_8cpp.html#a0">min</a>);
00124         vb.setVertexCoord(1, CVector(max.x, <a class="code" href="bit__set_8cpp.html#a0">min</a>.y, <a class="code" href="bit__set_8cpp.html#a0">min</a>.z));
00125         vb.setVertexCoord(2, CVector(<a class="code" href="bit__set_8cpp.html#a0">min</a>.x, max.y, <a class="code" href="bit__set_8cpp.html#a0">min</a>.z));
00126         vb.setVertexCoord(3, CVector(max.x, max.y, <a class="code" href="bit__set_8cpp.html#a0">min</a>.z));
00127         vb.setVertexCoord(4, CVector(<a class="code" href="bit__set_8cpp.html#a0">min</a>.x, <a class="code" href="bit__set_8cpp.html#a0">min</a>.y, max.z));
00128         vb.setVertexCoord(5, CVector(max.x, <a class="code" href="bit__set_8cpp.html#a0">min</a>.y, max.z));
00129         vb.setVertexCoord(6, CVector(<a class="code" href="bit__set_8cpp.html#a0">min</a>.x, max.y, max.z));
00130         vb.setVertexCoord(7, max);
00131 
00132 
00133         CMaterial material;
00134 
00135         material.setColor(col);
00136         material.setLighting(<font class="keyword">false</font>);
00137         material.setBlendFunc(CMaterial::one, CMaterial::one);
00138         material.setZWrite(<font class="keyword">false</font>);
00139         material.setBlend(<font class="keyword">true</font>);
00140 
00141 
00142 
00143         CPrimitiveBlock pb;
00144         pb.reserveLine(12);
00145         pb.addLine(0, 1); 
00146         pb.addLine(1, 5); 
00147         pb.addLine(5, 4); 
00148         pb.addLine(4, 0); 
00149         pb.addLine(0, 2); 
00150         pb.addLine(1, 3); 
00151         pb.addLine(4, 6); 
00152         pb.addLine(5, 7); 
00153         pb.addLine(6, 7); 
00154         pb.addLine(7, 3); 
00155         pb.addLine(3, 2); 
00156         pb.addLine(2, 6); 
00157 
00158 
00159 
00160         driver-&gt;<a class="code" href="classNL3D_1_1IDriver.html#a38">activeVertexBuffer</a>(vb);
00161         driver-&gt;<a class="code" href="classNL3D_1_1IDriver.html#a41">render</a>(pb, material);
00162 }
00163 
00164 
00165 <font class="comment">//==========================================================================</font>
<a name="l00166"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d8">00166</a> <font class="keywordtype">void</font> CPSUtil::displayArrow(IDriver *driver, <font class="keyword">const</font> CVector &amp;start, <font class="keyword">const</font> CVector &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, <font class="keywordtype">float</font> size, CRGBA col1, CRGBA col2)
00167 {
00168 
00169         <font class="keyword">const</font> <font class="keywordtype">float</font> coneSize = size * 0.1f;
00170 
00171         uint32 vTab[] = { 1, 2, 4,
00172                                                   4, 2, 3,
00173                                                   1, 2, 0,
00174                                                   2, 3, 0,
00175                                                   3, 4, 0,
00176                                                   4, 1, 0 };
00177 
00178         CVector end = start + size * <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00179         CDRU::drawLine(start, end, col1, *driver);
00180         CMatrix m;
00181         <a class="code" href="structNL3D_1_1CPSUtil.html#d10">buildSchmidtBasis</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, m);
00182 
00183         CVertexBuffer vb;
00184         vb.setVertexFormat(CVertexBuffer::PositionFlag);
00185         vb.setNumVertices(5); 
00186         
00187         
00188 
00189         vb.setVertexCoord(0, end + m * CVector(0, 0, 3.0f * coneSize) );
00190         vb.setVertexCoord(1, end + m * CVector(-coneSize, -coneSize, 0) );
00191         vb.setVertexCoord(2, end + m * CVector(coneSize, -coneSize, 0) );
00192         vb.setVertexCoord(3, end + m * CVector(coneSize, coneSize, 0) );
00193         vb.setVertexCoord(4, end + m * CVector(-coneSize, coneSize, 0) );
00194 
00195         CMaterial material;
00196 
00197         material.setColor(col2);
00198         material.setLighting(<font class="keyword">false</font>);
00199         material.setBlendFunc(CMaterial::one, CMaterial::one);
00200         material.setZWrite(<font class="keyword">false</font>);
00201         material.setBlend(<font class="keyword">true</font>);
00202         material.setDoubleSided(<font class="keyword">true</font>);
00203 
00204         driver-&gt;activeVertexBuffer(vb, 0, 5);
00205         driver-&gt;renderTriangles(material,  vTab, 6);
00206 }
00207 
00208 <font class="comment">//==========================================================================</font>
<a name="l00209"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d7">00209</a> <font class="keywordtype">void</font> CPSUtil::displayBasis(IDriver *driver, <font class="keyword">const</font> CMatrix &amp;modelMat, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &amp;m, <font class="keywordtype">float</font> size, CFontGenerator &amp;fg, CFontManager &amp;fm)
00210 {
00211         CMaterial material;
00212 
00213         driver-&gt;setupModelMatrix(modelMat);
00214         
00215 
00216 
00217         <a class="code" href="structNL3D_1_1CPSUtil.html#d8">displayArrow</a>(driver, m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_4">getPos</a>(), m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>(), size, CRGBA(127, 127, 127), CRGBA(0, 0, 80));
00218         <a class="code" href="structNL3D_1_1CPSUtil.html#d8">displayArrow</a>(driver, m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_4">getPos</a>(), m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), size, CRGBA(127, 127, 127), CRGBA(0, 0, 80));
00219         <a class="code" href="structNL3D_1_1CPSUtil.html#d8">displayArrow</a>(driver, m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_4">getPos</a>(), m.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(), size, CRGBA(127, 127, 127), CRGBA(200, 0, 80));
00220 
00221         
00222         <font class="comment">// draw the letters</font>
00223 
00224         CPSUtil::print(driver, std::string(<font class="stringliteral">"x"</font>), fg, fm, modelMat * m * CVector(1.4f * size, 0, 0), 15.0f * size);
00225         CPSUtil::print(driver, std::string(<font class="stringliteral">"y"</font>), fg, fm, modelMat * m * CVector(0, 1.4f  * size, 0), 15.0f * size);
00226         CPSUtil::print(driver, std::string(<font class="stringliteral">"z"</font>), fg, fm, modelMat * m * CVector(0, 0, 1.4f  * size), 15.0f * size);
00227 
00228 };
00229 
00230 
00231 <font class="comment">//==========================================================================</font>
<a name="l00232"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d9">00232</a> <font class="keywordtype">void</font> CPSUtil::print(IDriver *driver, <font class="keyword">const</font> std::string &amp;text, CFontGenerator &amp;fg, CFontManager &amp;fm, <font class="keyword">const</font> CVector &amp;pos, <font class="keywordtype">float</font> size)
00233 {
00234         <a class="code" href="debug_8h.html#a6">nlassert</a>((&amp;fg) &amp;&amp; (&amp;fm));       
00235         CComputedString cptedString;    
00236         fm.computeString ( text,
00237                                                 &amp;fg, 
00238                                                 CRGBA(255,255,255),
00239                                                 16, 
00240                                                 driver,
00241                                                 cptedString);
00242                         
00243                 
00244         CMatrix mat = driver-&gt;getViewMatrix();  
00245         mat.setPos(CVector::Null);      
00246         mat.scale(CVector(size, size, size));           
00247         mat.transpose();
00248         mat.setPos(pos);         
00249         cptedString.render3D(*driver, mat);
00250 }
00251 
00252 
00253 <font class="comment">//==========================================================================</font>
<a name="l00254"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d10">00254</a> <font class="keywordtype">void</font> CPSUtil::buildSchmidtBasis(<font class="keyword">const</font> CVector &amp;k_, <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &amp;result)
00255 {
00256         <font class="keyword">const</font> <font class="keywordtype">float</font> epsilon = 10E-4f;
00257 
00258 
00259         CVector k = k_;
00260         k.normalize();
00261         CVector i;
00262         <font class="keywordflow">if</font> ((1.0f - fabsf(k * CVector::I)) &gt; epsilon)
00263         {
00264                 i = k ^ CVector::I;
00265         }
00266         <font class="keywordflow">else</font>
00267         <font class="keywordflow">if</font> ((1.0f - fabs(k * CVector::J)) &gt; epsilon)
00268         {
00269                 i = k ^ CVector::J;
00270         }
00271         <font class="keywordflow">else</font>
00272         {
00273                 i = k ^ CVector::K;
00274         }
00275 
00276         i = i - (k * i) * k;
00277         i.normalize();
00278         result.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a>(i, k ^ i, k, <font class="keyword">true</font>);       
00279 }
00280 
00281 
00282 <font class="comment">//==========================================================================</font>
<a name="l00283"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d2">00283</a> <font class="keywordtype">void</font> CPSUtil::displaySphere(IDriver &amp;driver, <font class="keywordtype">float</font> radius, <font class="keyword">const</font> CVector &amp;center, uint nbSubdiv, CRGBA color)
00284 {
00285         uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, k;
00286         CVector p, p1, p2;
00287         
00288         <font class="keyword">static</font> <font class="keyword">const</font> CVector lK[] = { CVector::I, -CVector::I
00289                                                                 ,CVector::J, -CVector::J
00290                                                                 ,CVector::K, -CVector::K };
00291 
00292 <font class="comment">/*      static const CVector lI = { CVector::J, -CVector::J</font>
00293 <font class="comment">                                                                ,CVector::K, -CVector::K</font>
00294 <font class="comment">                                                                ,CVector::I, -CVector::I };*/</font>
00295 
00296 
00297 
00298         <font class="keywordflow">for</font> (k = 0; k &lt; 6; ++k)
00299         {
00300                 <font class="keyword">const</font> CVector &amp;I = lK[(k + 2) % 6];
00301                 <font class="keyword">const</font> CVector &amp;K = lK[k];
00302                 <font class="keyword">const</font> CVector J = K ^ I;
00303 
00304                 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; nbSubdiv; ++<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)
00305                 {
00306                         <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &lt; nbSubdiv; ++<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
00307                         {
00308                                 p = ((2.f * <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> / float(nbSubdiv) ) - 1.f) * I + ((2.f * <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> / float(nbSubdiv) ) - 1.f) * J + K;
00309                                 p1 = p + 2.f / float(nbSubdiv) * I;
00310                                 p2 = p + 2.f / float(nbSubdiv) * J;
00311 
00312                                 p.normalize(); 
00313                                 p1.normalize();
00314                                 p2.normalize();
00315 
00316                                 p = center + radius * p;
00317                                 p1 = center + radius * p1;
00318                                 p2 = center + radius * p2;
00319 
00320                                 CDRU::drawLine(p, p1, color, driver);
00321                                 CDRU::drawLine(p, p2, color, driver);
00322                         }
00323                 }
00324         }
00325 }
00326 
00327 
00328 <font class="comment">//==========================================================================</font>
<a name="l00329"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d3">00329</a> <font class="keywordtype">void</font> CPSUtil::displayDisc(IDriver &amp;driver, <font class="keywordtype">float</font> radius, <font class="keyword">const</font> CVector &amp;center, <font class="keyword">const</font> CMatrix &amp;mat, uint nbSubdiv, CRGBA color)
00330 {
00331         <font class="comment">// not optimized, but for edition only</font>
00332         <font class="keywordtype">float</font> thetaDelta = (float) NLMISC::Pi * 2.f / nbSubdiv;
00333         <font class="keywordtype">float</font> theta = 0.f;
00334         <font class="keyword">const</font> CVector &amp;I = mat.getI();
00335         <font class="keyword">const</font> CVector &amp;J = mat.getJ();
00336         <font class="keywordflow">for</font> (uint k = 0; k &lt; nbSubdiv; ++k)
00337         {
00338                 
00339                 CDRU::drawLine(center + radius * ((<font class="keywordtype">float</font>) cos(theta) * I + (<font class="keywordtype">float</font>) sin(theta) * J)
00340                                            , center + radius * ((<font class="keywordtype">float</font>) cos(theta + thetaDelta) * I + (<font class="keywordtype">float</font>) sin(theta + thetaDelta) * J)
00341                                            , color, driver);
00342                 theta += thetaDelta;
00343         }
00344 
00345 }
00346 
00347 <font class="comment">//==========================================================================</font>
<a name="l00348"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d4">00348</a> <font class="keywordtype">void</font> CPSUtil::displayCylinder(IDriver &amp;driver, <font class="keyword">const</font> CVector &amp;center, <font class="keyword">const</font> CMatrix &amp;mat, <font class="keyword">const</font> CVector &amp;dim, uint nbSubdiv, CRGBA color)
00349 {
00350         <font class="comment">// not optimized, but for edition only</font>
00351         <font class="keywordtype">float</font> thetaDelta = (float) NLMISC::Pi * 2.f / nbSubdiv;
00352         <font class="keywordtype">float</font> theta = 0.f;
00353         <font class="keyword">const</font> CVector &amp;I = mat.getI();
00354         <font class="keyword">const</font> CVector &amp;J = mat.getJ();
00355         <font class="keyword">const</font> CVector &amp;K = mat.getK();
00356 
00357         <font class="keywordflow">for</font> (uint k = 0; k &lt; nbSubdiv; ++k)
00358         {
00359                 
00360                 CDRU::drawLine(center + dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
00361                                            , center + dim.z * K + dim.x * cosf(theta + thetaDelta) * I + dim.y * sinf(theta + thetaDelta) * J
00362                                            , color, driver);
00363 
00364                 CDRU::drawLine(center - dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
00365                                            , center - dim.z * K + dim.x * cosf(theta + thetaDelta) * I + dim.y * sinf(theta + thetaDelta) * J
00366                                            , color, driver);
00367 
00368                 CDRU::drawLine(center + dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
00369                                            , center - dim.z * K + dim.x * cosf(theta) * I + dim.y * sinf(theta) * J
00370                                            , color, driver);
00371 
00372 
00373                 
00374                 
00375                 theta += thetaDelta;
00376         }       
00377 }
00378 
00379 <font class="comment">//==========================================================================</font>
<a name="l00380"></a><a class="code" href="structNL3D_1_1CPSUtil.html#d5">00380</a> <font class="keywordtype">void</font> CPSUtil::display3DQuad(IDriver &amp;driver, <font class="keyword">const</font> CVector &amp;c1, <font class="keyword">const</font> CVector &amp;c2
00381                                                                 ,<font class="keyword">const</font> CVector &amp;c3,  <font class="keyword">const</font> CVector &amp;c4, CRGBA color)
00382 {
00383         CDRU::drawLine(c1, c2, color, driver);
00384         CDRU::drawLine(c2, c3, color, driver);
00385         CDRU::drawLine(c3, c4, color, driver);
00386         CDRU::drawLine(c4, c1, color, driver);
00387 }
00388 
00389 
00390 
00391 
00392 } <font class="comment">// NL3D</font>
</pre></div>

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