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<h1>ps_zone.cpp</h1><a href="a04864.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <span class="comment">/* Copyright, 2001 Nevrax Ltd.</span>
00008 <span class="comment"> *</span>
00009 <span class="comment"> * This file is part of NEVRAX NEL.</span>
00010 <span class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</span>
00011 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
00012 <span class="comment"> * the Free Software Foundation; either version 2, or (at your option)</span>
00013 <span class="comment"> * any later version.</span>
00014 <span class="comment"></span>
00015 <span class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</span>
00016 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00017 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00018 <span class="comment"> * General Public License for more details.</span>
00019 <span class="comment"></span>
00020 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
00021 <span class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</span>
00022 <span class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</span>
00023 <span class="comment"> * MA 02111-1307, USA.</span>
00024 <span class="comment"> */</span>
00025
00026 <span class="preprocessor">#include "<a class="code" href="a05015.html">std3d.h</a>"</span>
00027
00028 <span class="preprocessor">#include "<a class="code" href="a04865.html">3d/ps_zone.h</a>"</span>
00029 <span class="preprocessor">#include "<a class="code" href="a05288.html">3d/vertex_buffer.h</a>"</span>
00030 <span class="preprocessor">#include "<a class="code" href="a04775.html">3d/primitive_block.h</a>"</span>
00031 <span class="preprocessor">#include "<a class="code" href="a04546.html">3d/material.h</a>"</span>
00032 <span class="preprocessor">#include "<a class="code" href="a04863.html">3d/ps_util.h</a>"</span>
00033 <span class="preprocessor">#include "<a class="code" href="a04238.html">3d/dru.h</a>"</span>
00034 <span class="preprocessor">#include "<a class="code" href="a04720.html">3d/particle_system.h</a>"</span>
00035 <span class="preprocessor">#include "<a class="code" href="a04748.html">nel/misc/plane.h</a>"</span>
00036
00037 <span class="comment">// tmp</span>
00038
00039 <span class="preprocessor">#include "<a class="code" href="a04726.html">3d/particle_system_model.h</a>"</span>
00040
00041 <span class="preprocessor">#include <math.h></span>
00042 <span class="preprocessor">#include <limits></span>
00043
00044 <span class="keyword">namespace </span>NL3D {
00045
00046
00047 <span class="comment">/*</span>
00048 <span class="comment"> * Constructor</span>
00049 <span class="comment"> */</span>
<a name="l00050"></a><a class="code" href="a03255.html#NL3D_1_1CPSZonea6">00050</a> CPSZone::CPSZone() : _BounceFactor(1.f), _CollisionBehaviour(bounce)
00051 {
00052 }
00053
<a name="l00054"></a><a class="code" href="a03255.html#NL3D_1_1CPSZonea43">00054</a> <span class="keywordtype">void</span> CPSZone::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
00055 {
00056 f.serialVersion(1);
00057 CPSTargetLocatedBindable::serial(f);
00058 f.serialEnum(_CollisionBehaviour);
00059 f.serial(_BounceFactor);
00060 <span class="keywordflow">if</span> (f.isReading())
00061 {
00062 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
00063 {
00064 <span class="comment">// though this is not a force, this prevent parametric motion</span>
00065 (*it)->addNonIntegrableForceRef();
00066 }
00067 }
00068 }
00069
<a name="l00073"></a><a class="code" href="a03255.html#NL3D_1_1CPSZoneSpherea0">00073</a> <span class="keywordtype">void</span> CPSZone::attachTarget(<a class="code" href="a03214.html">CPSLocated</a> *ptr)
00074 {
00075
00076 CPSTargetLocatedBindable::attachTarget(ptr);
00077 ptr-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda71">queryCollisionInfo</a>();
00078 ptr-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda0">addNonIntegrableForceRef</a>();
00079 }
00080
00081
00082
00083
00084
<a name="l00086"></a><a class="code" href="a03255.html#NL3D_1_1CPSZoneSpherea47">00086</a> <span class="keywordtype">void</span> CPSZone::releaseTargetRsc(<a class="code" href="a03214.html">CPSLocated</a> *target)
00087 {
00088 <span class="comment">// tell the target that we were using collision infos and that we won't use them anymore</span>
00089 target-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda75">releaseCollisionInfo</a>();
00090 target-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda76">releaseNonIntegrableForceRef</a>();
00091 }
00092
00093
00094
<a name="l00095"></a><a class="code" href="a03255.html#NL3D_1_1CPSZoneSpherea62">00095</a> <span class="keywordtype">void</span> CPSZone::step(TPSProcessPass pass, <a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime, <a class="code" href="a05363.html#a366">TAnimationTime</a> realEt)
00096 {
00097 <span class="comment">// for zone, the PSCollision pass and the PSToolRenderPass are processed</span>
00098 <span class="keywordflow">switch</span>(pass)
00099 {
00100 <span class="keywordflow">case</span> <a class="code" href="a05363.html#a556a213">PSCollision</a>:
00101 <a class="code" href="a03255.html#NL3D_1_1CPSZonea39">performMotion</a>(ellapsedTime);
00102 <span class="keywordflow">break</span>;
00103 <span class="keywordflow">case</span> <a class="code" href="a05363.html#a556a217">PSToolRender</a>:
00104 <a class="code" href="a03255.html#NL3D_1_1CPSZonea52">show</a>(ellapsedTime);
00105 <span class="keywordflow">break</span>;
00106 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
00107 }
00108 }
00109
00110
00111 <span class="comment">// build a basis with K = the normal of the plane</span>
<a name="l00112"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb1">00112</a> <a class="code" href="a02851.html">CMatrix</a> CPSZonePlane::buildBasis(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
00113 <span class="keyword"></span>{
00114 <a class="code" href="a02851.html">CMatrix</a> m;
00115 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]);
00116 CPSUtil::buildSchmidtBasis(_Normal[<a class="code" href="a04223.html#a566">index</a>], m);
00117 <span class="keywordflow">return</span> m;
00118 }
00119
00120
00123 <span class="comment">/*void CPSZone::bounce(uint32 locatedIndex, const CVector &bouncePoint, const CVector &surfNormal, float elasticity, TAnimationTime ellapsedTime)</span>
00124 <span class="comment">{</span>
00125 <span class="comment"> CVector &speed = _Owner->getSpeed()[locatedIndex];</span>
00126 <span class="comment"> const CVector &pos = _Owner->getPos()[locatedIndex];</span>
00127 <span class="comment"> CVector &bounceVect = elasticity * (speed - 2.0f * (speed * surfNormal) * surfNormal); // speed vector after collision</span>
00128 <span class="comment"> // now check where the located will be after integration</span>
00129 <span class="comment"> CVector d = bouncePoint - pos;</span>
00130 <span class="comment"> TAnimationTime collideDelay = speed.norm() / d.norm();</span>
00131 <span class="comment"> CVector finalPos = bouncePoint + (ellapsedTime - collideDelay) * bounceVect;</span>
00132 <span class="comment"> // now, we must have pos + ellapsedTime * newSpeed = finalPos </span>
00133 <span class="comment"> // newSpeed = alpha * (finalPos - pos)</span>
00134 <span class="comment"> // so alpha = 1 / ellapsedTime</span>
00135 <span class="comment"></span>
00136 <span class="comment"> speed = (1.0f / ellapsedTime) * (finalPos - pos); </span>
00137 <span class="comment">}*/</span>
00138
00139
<a name="l00140"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea60">00140</a> <span class="keywordtype">void</span> CPSZonePlane::show(<a class="code" href="a05363.html#a366">TAnimationTime</a>)
00141 {
00142 <span class="keyword">const</span> <span class="keywordtype">float</span> planeSize = 2.0f;
00143 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00144
00145 <a class="code" href="a02434.html">IDriver</a> *driver = <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>();
00146 <a class="code" href="a04558.html#a15">uint</a> k = 0;
00147
00148 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00149
00150 <a class="code" href="a03214.html">CPSLocated</a> *loc;
00151 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>;
00152 <a class="code" href="a02691.html">CPSLocatedBindable</a> *lb;
00153 _Owner-><a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-><a class="code" href="a03041.html#NL3D_1_1CParticleSystemz588_0">getCurrentEditedElement</a>(loc, <a class="code" href="a04223.html#a566">index</a>, lb);
00154
00155
00156
00157
00158
00159 <span class="keywordflow">for</span> (TPSAttribVector::const_iterator it = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(); it != _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>(); ++it, ++k)
00160 {
00161 <span class="keyword">const</span> <a class="code" href="a03337.html">CRGBA</a> col = ((lb == NULL || <span class="keyword">this</span> == lb) && loc == _Owner && <a class="code" href="a04223.html#a566">index</a> == k ? CRGBA::Red : <a class="code" href="a03337.html">CRGBA</a>(127, 127, 127));
00162 <a class="code" href="a02851.html">CMatrix</a> mat = <a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb1">buildBasis</a>(k);
00163
00164 CPSUtil::displayBasis(<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea22">getLocalToWorldMatrix</a>(), mat, 1.f, *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea17">getFontGenerator</a>(), *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea19">getFontManager</a>());
00165
00166
00167 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00168
00169 CDRU::drawLine(*it + (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() + planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00170 , *it - (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() + planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00171 , col
00172 , *driver);
00173
00174 CDRU::drawLine(*it + (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() - planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00175 , *it - (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() - planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00176 , col
00177 , *driver);
00178
00179 CDRU::drawLine(*it + planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() + (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00180 , *it + planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() - (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00181 , col
00182 , *driver);
00183 CDRU::drawLine(*it - planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() + (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00184 , *it - planeSize * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>() - (planeSize + 3) * mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>()
00185 , col
00186 , *driver);
00187 }
00188
00189
00190 }
00191
00192
00193
<a name="l00194"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb6">00194</a> <span class="keywordtype">void</span> CPSZonePlane::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
00195 {
00196 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> < (1 << 16));
00197 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
00198 }
00199
00200
<a name="l00201"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb4">00201</a> <span class="keywordtype">void</span> CPSZonePlane::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
00202 {
00203 <a class="code" href="a04199.html#a6">nlassert</a>(_Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>() != _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_0">getMaxSize</a>());
00204 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(<a class="code" href="a03128.html">CVector</a>(0, 0, 1));
00205 }
00206
00207
<a name="l00208"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb2">00208</a> <span class="keywordtype">void</span> CPSZonePlane::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
00209 {
00210 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
00211 }
00212
00213
00214
<a name="l00215"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea43">00215</a> <span class="keywordtype">void</span> CPSZonePlane::performMotion(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00216 {
00217 <a class="code" href="a04726.html#a0">MINI_TIMER</a>(<a class="code" href="a05363.html#a200">PSStatsZonePlane</a>)
00218 <span class="comment">// for each target, we must check wether they are going through the plane</span>
00219 <span class="comment">// if so they must bounce</span>
00220 TPSAttribVector::const_iterator planePosIt, planePosEnd, normalIt, targetPosIt, targetPosEnd;
00221 <a class="code" href="a03128.html">CVector</a> dest;
00222 <a class="code" href="a03151.html">CPSCollisionInfo</a> ci;
00223 <a class="code" href="a03128.html">CVector</a> startEnd;
00224 <a class="code" href="a04558.html#a11">uint32</a> k;
00225 <span class="keyword">const</span> <a class="code" href="a03135.html">TPSAttribVector</a> *speedAttr;
00226 <span class="keywordtype">float</span> posSide, negSide;
00227
00228 <span class="comment">// alpha is the ratio that gives the percent of endPos - startPos that hit the plane</span>
00229 <span class="keywordtype">float</span> <a class="code" href="a04223.html#a663">alpha</a>;
00230
00231 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
00232 {
00233
00234 speedAttr = &((*it)->getSpeed());
00235 <span class="comment">// cycle through the planes</span>
00236
00237 planePosEnd = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
00238 <span class="keywordflow">for</span> (planePosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), normalIt = _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(); planePosIt != planePosEnd
00239 ; ++planePosIt, ++normalIt)
00240 {
00241
00242 <span class="comment">// we must setup the plane in the good basis</span>
00243
00244 <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00245 <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 0.5f * <a class="code" href="a05363.html#a273">PSCollideEpsilon</a>;
00246
00247
00248 <a class="code" href="a03082.html">NLMISC::CPlane</a> p;
00249 p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_2">make</a>(m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(*normalIt), m * (*planePosIt));
00250
00251 <span class="comment">// deals with each particle</span>
00252
00253 targetPosEnd = (*it)->getPos().end();
00254 TPSAttribCollisionInfo::const_iterator ciIt = (*it)->getCollisionInfo().begin();
00255 <span class="keywordflow">for</span> (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k, ++ciIt)
00256 {
00257 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &speed = (*speedAttr)[k];
00258 <span class="comment">// check whether the located is going through the plane</span>
00259 dest = *targetPosIt + ellapsedTime * speed * ciIt->TimeSliceRatio;
00260
00261
00262 posSide = p * *targetPosIt;
00263 negSide = p * dest;
00264
00265 <span class="keywordflow">if</span> (posSide >= - epsilon && negSide <= epsilon)
00266 {
00267 <span class="keywordflow">if</span> (fabsf(posSide - negSide) > <a class="code" href="a04061.html#a0">std::numeric_limits<float>::min</a>())
00268 {
00269 <a class="code" href="a04223.html#a663">alpha</a> = posSide / (posSide - negSide);
00270 }
00271 <span class="keywordflow">else</span>
00272 {
00273 <a class="code" href="a04223.html#a663">alpha</a> = 0.f;
00274 }
00275 startEnd = <a class="code" href="a04223.html#a663">alpha</a> * (dest - *targetPosIt);
00276 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
00277 <span class="comment">// we translate the particle from an epsilon so that it won't get hooked to the plane</span>
00278 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = *targetPosIt + startEnd + <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>();
00279 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = _BounceFactor * (speed - 2.0f * (speed * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>()) * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>());
00280 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
00281 (*it)->collisionUpdate(ci, k);
00282 }
00283 }
00284 }
00285 }
00286 }
00287
<a name="l00288"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea53">00288</a> <span class="keywordtype">void</span> CPSZonePlane::setMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m)
00289 {
00290 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a566">index</a> < _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>());
00291 _Normal[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_4">getK</a>();
00292 _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>();
00293 }
00294
<a name="l00295"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea23">00295</a> <a class="code" href="a02851.html">CMatrix</a> CPSZonePlane::getMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
00296 <span class="keyword"></span>{
00297 <span class="keywordflow">return</span> <a class="code" href="a03258.html#NL3D_1_1CPSZonePlaneb1">buildBasis</a>(<a class="code" href="a04223.html#a566">index</a>);
00298 }
00299
00300
<a name="l00301"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea26">00301</a> <a class="code" href="a03128.html">CVector</a> CPSZonePlane::getNormal(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
00302 {
00303 <span class="keywordflow">return</span> _Normal[<a class="code" href="a04223.html#a566">index</a>];
00304 }
<a name="l00305"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea55">00305</a> <span class="keywordtype">void</span> CPSZonePlane::setNormal(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">CVector</a> n)
00306 {
00307 _Normal[<a class="code" href="a04223.html#a566">index</a>] = n;
00308 }
00309
00310
00311
00312
<a name="l00313"></a><a class="code" href="a03258.html#NL3D_1_1CPSZonePlanea47">00313</a> <span class="keywordtype">void</span> CPSZonePlane::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
00314 {
00315 f.serialVersion(1);
00316 CPSZone::serial(f);
00317 f.serial(_Normal);
00318 }
00319
00320
00321
00323 <span class="comment">// sphere implementation //</span>
00325 <span class="comment"></span>
00326
00327
00328
<a name="l00329"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea44">00329</a> <span class="keywordtype">void</span> CPSZoneSphere::performMotion(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00330 {
00331 <a class="code" href="a04726.html#a0">MINI_TIMER</a>(<a class="code" href="a05363.html#a201">PSStatsZoneSphere</a>)
00332 <span class="comment">// for each target, we must check wether they are going through the plane</span>
00333 <span class="comment">// if so they must bounce</span>
00334
00335 TPSAttribRadiusPair::const_iterator radiusIt = _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
00336 TPSAttribVector::const_iterator spherePosIt, spherePosEnd, targetPosIt, targetPosEnd;
00337 <a class="code" href="a03128.html">CVector</a> dest;
00338 <a class="code" href="a03151.html">CPSCollisionInfo</a> ci;
00339 <a class="code" href="a04558.html#a11">uint32</a> k;
00340 <span class="keyword">const</span> <a class="code" href="a03135.html">TPSAttribVector</a> *speedAttr;
00341
00342
00343 <span class="keywordtype">float</span> rOut, rIn;
00344
00345
00346 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
00347 {
00348
00349 speedAttr = &((*it)->getSpeed());
00350
00351
00352 <span class="comment">// cycle through the spheres</span>
00353
00354 spherePosEnd = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
00355 <span class="keywordflow">for</span> (spherePosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), radiusIt = _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(); spherePosIt != spherePosEnd
00356 ; ++spherePosIt, ++radiusIt)
00357 {
00358
00359 <span class="comment">// we must setup the sphere in the good basis</span>
00360
00361 <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00362
00363
00364
00365 <a class="code" href="a03128.html">CVector</a> center = m * *spherePosIt;
00366
00367 <span class="comment">// deals with each particle</span>
00368
00369
00370 targetPosEnd = (*it)-><a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>().end();
00371 TPSAttribCollisionInfo::const_iterator ciIt = (*it)->getCollisionInfo().begin();
00372 <span class="keywordflow">for</span> (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k, ++ciIt)
00373 {
00374 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &speed = (*speedAttr)[k];
00375 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &pos = *targetPosIt;
00376 <span class="comment">// check whether the located is going through the sphere</span>
00377
00378 <span class="comment">// we don't use raytracing for now because it is too slow ...</span>
00379
00380
00381 rOut = (pos - center) * (pos - center);
00382
00383 <span class="comment">// initial position outside the sphere ?</span>
00384 <span class="keywordflow">if</span> (rOut > radiusIt->R2)
00385 {
00386 dest = pos + ellapsedTime * speed * ciIt->TimeSliceRatio;
00387 rIn = (dest - center) * (dest - center);
00388
00389 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> D = dest - pos;
00390
00391 <span class="comment">// final position inside the sphere ?</span>
00392
00393 <span class="keywordflow">if</span> ( rIn <= radiusIt->R2)
00394 {
00395 <span class="comment">// discriminant of the intersection equation</span>
00396 <span class="keyword">const</span> <span class="keywordtype">float</span> b = 2.f * (pos * D - D * center), a = D * D
00397 , c = (pos * pos) + (center * center) - 2.f * (pos * center) - radiusIt->R2;
00398 <span class="keywordtype">float</span> d = b * b - 4 * a * c;
00399
00400
00401 <span class="keywordflow">if</span> (d <= 0.f) <span class="keywordflow">continue</span>; <span class="comment">// should never happen, but we never know ...</span>
00402
00403
00404 d = sqrtf(d);
00405
00406 <span class="comment">// roots of the equation, we take the smallest </span>
00407
00408
00409 <span class="keyword">const</span> <span class="keywordtype">float</span> r1 = .5f * (-b + 2.f * d) * a
00410 , r2 = .5f * (-b - 2.f * d) * a;
00411
00412 <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="a04223.html#a628">r</a> = <a class="code" href="a04061.html#a0">std::min</a>(r1, r2);
00413
00414 <span class="comment">// collision point </span>
00415
00416 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> C = pos + <a class="code" href="a04223.html#a628">r</a> * D;
00417
00418
00419
00420
00421
00422
00423 <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="a04223.html#a663">alpha</a> = ((C - pos) * D) * a;
00424
00425 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> startEnd = <a class="code" href="a04223.html#a663">alpha</a> * (dest - pos);
00426
00427 <a class="code" href="a03128.html">CVector</a> normal = C - center;
00428 normal = normal * (1.f / radiusIt->R);
00429
00430
00431 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
00432 <span class="comment">// we translate the particle from an epsilon so that it won't get hooked to the sphere</span>
00433 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = pos + startEnd + <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * normal;
00434 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = _BounceFactor * (speed - 2.0f * (speed * normal) * normal);
00435
00436 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
00437 (*it)->collisionUpdate(ci, k);
00438
00439 }
00440 }
00441 }
00442 }
00443 }
00444 }
00445
00446
00447
<a name="l00448"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea61">00448</a> <span class="keywordtype">void</span> CPSZoneSphere::show(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00449 {
00450
00451 <a class="code" href="a03214.html">CPSLocated</a> *loc;
00452 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>;
00453 <a class="code" href="a02691.html">CPSLocatedBindable</a> *lb;
00454 _Owner-><a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-><a class="code" href="a03041.html#NL3D_1_1CParticleSystemz588_0">getCurrentEditedElement</a>(loc, <a class="code" href="a04223.html#a566">index</a>, lb);
00455
00456
00457 TPSAttribRadiusPair::const_iterator radiusIt = _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
00458 TPSAttribVector::const_iterator posIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), endPosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
00459 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00460 <span class="keywordflow">for</span> (<a class="code" href="a04558.html#a15">uint</a> k = 0; posIt != endPosIt; ++posIt, ++radiusIt, ++k)
00461 {
00462 <span class="keyword">const</span> <a class="code" href="a03337.html">CRGBA</a> col = ((lb == NULL || <span class="keyword">this</span> == lb) && loc == _Owner && <a class="code" href="a04223.html#a566">index</a> == k ? CRGBA::Red : <a class="code" href="a03337.html">CRGBA</a>(127, 127, 127));
00463 CPSUtil::displaySphere(*<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), radiusIt->R, *posIt, 5, col);
00464 }
00465 }
00466
<a name="l00467"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea54">00467</a> <span class="keywordtype">void</span> CPSZoneSphere::setMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m)
00468 {
00469 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a566">index</a> < _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>());
00470
00471 <span class="comment">// compute new pos</span>
00472 _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>();
00473
00474 }
00475
00476
<a name="l00477"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea24">00477</a> <a class="code" href="a02851.html">CMatrix</a> CPSZoneSphere::getMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
00478 <span class="keyword"></span>{
00479 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a566">index</a> < _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>());
00480 <a class="code" href="a02851.html">CMatrix</a> m;
00481 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_0">identity</a>();
00482 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1965_7">translate</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]);
00483 <span class="keywordflow">return</span> m;
00484 }
00485
<a name="l00486"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea58">00486</a> <span class="keywordtype">void</span> CPSZoneSphere::setScale(<a class="code" href="a04558.html#a11">uint32</a> k, <span class="keywordtype">float</span> scale)
00487 {
00488 _Radius[k].R = scale;
00489 _Radius[k].R2 = scale * scale;
00490 }
<a name="l00491"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea31">00491</a> <a class="code" href="a03128.html">CVector</a> CPSZoneSphere::getScale(<a class="code" href="a04558.html#a11">uint32</a> k)<span class="keyword"> const</span>
00492 <span class="keyword"></span>{
00493 <span class="keywordflow">return</span> <a class="code" href="a03128.html">CVector</a>(_Radius[k].R, _Radius[k].R, _Radius[k].R);
00494 }
00495
00496
<a name="l00497"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSpherea48">00497</a> <span class="keywordtype">void</span> CPSZoneSphere::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
00498 {
00499 f.serialVersion(1);
00500 CPSZone::serial(f);
00501 f.serial(_Radius);
00502 }
00503
00504
00505
00506
00507
00508
<a name="l00509"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSphereb6">00509</a> <span class="keywordtype">void</span> CPSZoneSphere::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
00510 {
00511 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> < (1 << 16));
00512 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
00513 }
00514
<a name="l00515"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSphereb4">00515</a> <span class="keywordtype">void</span> CPSZoneSphere::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
00516 {
00517 <a class="code" href="a03299.html">CRadiusPair</a> rp;
00518 rp.<a class="code" href="a03299.html#NL3D_1_1CRadiusPairo0">R</a> = rp.<a class="code" href="a03299.html#NL3D_1_1CRadiusPairo1">R2</a> = 1.f;
00519 <a class="code" href="a04199.html#a6">nlassert</a>(_Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>() != _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_0">getMaxSize</a>());
00520 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(rp);
00521 }
00522
<a name="l00523"></a><a class="code" href="a03260.html#NL3D_1_1CPSZoneSphereb2">00523</a> <span class="keywordtype">void</span> CPSZoneSphere::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
00524 {
00525 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
00526 }
00527
00528
00530 <span class="comment">// CPSZoneDisc implementation //</span>
00532 <span class="comment"></span>
<a name="l00533"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca44">00533</a> <span class="keywordtype">void</span> CPSZoneDisc::performMotion(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00534 {
00535 <a class="code" href="a04726.html#a0">MINI_TIMER</a>(<a class="code" href="a05363.html#a202">PSStatsZoneDisc</a>)
00536 <span class="comment">// for each target, we must check wether they are going through the disc</span>
00537 <span class="comment">// if so they must bounce</span>
00538 TPSAttribVector::const_iterator discPosIt, discPosEnd, normalIt, targetPosIt, targetPosEnd;
00539 TPSAttribRadiusPair::const_iterator radiusIt;
00540 <a class="code" href="a03128.html">CVector</a> dest;
00541 <a class="code" href="a03151.html">CPSCollisionInfo</a> ci;
00542 <a class="code" href="a03128.html">CVector</a> startEnd;
00543 <a class="code" href="a04558.html#a11">uint32</a> k;
00544 <span class="keyword">const</span> <a class="code" href="a03135.html">TPSAttribVector</a> *speedAttr;
00545 <span class="keywordtype">float</span> posSide, negSide;
00546
00547 <span class="comment">// the square of radius at the hit point</span>
00548 <span class="keywordtype">float</span> hitRadius2;
00549
00550 <span class="comment">// alpha is the ratio that gives the percent of endPos - startPos that hit the disc</span>
00551 <span class="keywordtype">float</span> <a class="code" href="a04223.html#a663">alpha</a>;
00552
00553 <a class="code" href="a03128.html">CVector</a> center;
00554
00555 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
00556 {
00557
00558 speedAttr = &((*it)->getSpeed());
00559 <span class="comment">// cycle through the disc</span>
00560
00561 discPosEnd = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
00562 <span class="keywordflow">for</span> (discPosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), radiusIt = _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), normalIt = _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(); discPosIt != discPosEnd
00563 ; ++discPosIt, ++normalIt, ++radiusIt)
00564 {
00565
00566 <span class="comment">// we must setup the disc in the good basis</span>
00567
00568 <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00569
00570
00571
00572 <a class="code" href="a03082.html">NLMISC::CPlane</a> p;
00573 center = m * (*discPosIt);
00574 p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_2">make</a>(m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(*normalIt), center);
00575
00576 <span class="comment">// deals with each particle</span>
00577
00578 <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 0.5f * <a class="code" href="a05363.html#a273">PSCollideEpsilon</a>;
00579
00580 targetPosEnd = (*it)->getPos().end();
00581 TPSAttribCollisionInfo::const_iterator ciIt = (*it)->getCollisionInfo().begin();
00582 <span class="keywordflow">for</span> (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k, ++ciIt)
00583 {
00584 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &speed = (*speedAttr)[k];
00585 <span class="comment">// check whether the located is going through the disc</span>
00586 dest = *targetPosIt + ellapsedTime * speed * ciIt->TimeSliceRatio;
00587
00588
00589 posSide = p * *targetPosIt;
00590 negSide = p * dest;
00591
00592 <span class="keywordflow">if</span> (posSide >= - epsilon && negSide <= epsilon)
00593 {
00594 <span class="keywordflow">if</span> (fabsf(posSide - negSide) > <a class="code" href="a04061.html#a0">std::numeric_limits<float>::min</a>())
00595 {
00596 <a class="code" href="a04223.html#a663">alpha</a> = posSide / (posSide - negSide);
00597 }
00598 <span class="keywordflow">else</span>
00599 {
00600 <a class="code" href="a04223.html#a663">alpha</a> = 0.f;
00601 }
00602 startEnd = <a class="code" href="a04223.html#a663">alpha</a> * (dest - *targetPosIt);
00603 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
00604 <span class="comment">// we translate the particle from an epsilon so that it won't get hooked to the disc</span>
00605 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = *targetPosIt + startEnd + <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>();
00606
00607
00608 <span class="comment">// now, check the collision pos against radius</span>
00609
00610 hitRadius2 = (ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> - center) * (ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> - center);
00611
00612 <span class="keywordflow">if</span> (hitRadius2 < radiusIt->R2) <span class="comment">// check collision against disc</span>
00613 {
00614 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = _BounceFactor * (speed - 2.0f * (speed * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>()) * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>());
00615 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
00616 (*it)->collisionUpdate(ci, k);
00617 }
00618
00619 }
00620 }
00621 }
00622 }
00623 }
00624
<a name="l00625"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca61">00625</a> <span class="keywordtype">void</span> CPSZoneDisc::show(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00626 {
00627 TPSAttribRadiusPair::const_iterator radiusIt = _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
00628 TPSAttribVector::const_iterator posIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), endPosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>()
00629 , normalIt = _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
00630 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00631 <a class="code" href="a02851.html">CMatrix</a> mat;
00632
00633
00634
00635 <a class="code" href="a03214.html">CPSLocated</a> *loc;
00636 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>;
00637 <a class="code" href="a02691.html">CPSLocatedBindable</a> *lb;
00638 _Owner-><a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-><a class="code" href="a03041.html#NL3D_1_1CParticleSystemz588_0">getCurrentEditedElement</a>(loc, <a class="code" href="a04223.html#a566">index</a>, lb);
00639
00640
00641
00642 <span class="keywordflow">for</span> (<a class="code" href="a04558.html#a15">uint</a> k = 0; posIt != endPosIt; ++posIt, ++radiusIt, ++normalIt, ++k)
00643 {
00644 <span class="keyword">const</span> <a class="code" href="a03337.html">CRGBA</a> col = ((lb == NULL || <span class="keyword">this</span> == lb) && loc == _Owner && <a class="code" href="a04223.html#a566">index</a> == k ? CRGBA::Red : <a class="code" href="a03337.html">CRGBA</a>(127, 127, 127));
00645 CPSUtil::buildSchmidtBasis(*normalIt, mat);
00646 CPSUtil::displayDisc(*<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), radiusIt->R, *posIt, mat, 32, col);
00647
00648 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(*posIt);
00649 CPSUtil::displayBasis(<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>() ,<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea22">getLocalToWorldMatrix</a>(), mat, 1.f, *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea17">getFontGenerator</a>(), *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea19">getFontManager</a>());
00650 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
00651 }
00652 }
00653
00654
00655
00656
00657
00658
<a name="l00659"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca54">00659</a> <span class="keywordtype">void</span> CPSZoneDisc::setMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m)
00660 {
00661 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a566">index</a> < _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>());
00662 <span class="comment">// compute new pos</span>
00663 _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>();
00664 <span class="comment">// compute new normal</span>
00665 _Normal[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_4">getK</a>();
00666 }
00667
<a name="l00668"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca24">00668</a> <a class="code" href="a02851.html">CMatrix</a> CPSZoneDisc::getMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
00669 <span class="keyword"></span>{
00670 <a class="code" href="a02851.html">CMatrix</a> m, b;
00671 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1965_7">translate</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]);
00672 CPSUtil::buildSchmidtBasis(_Normal[<a class="code" href="a04223.html#a566">index</a>], b);
00673 m = m * b;
00674 <span class="keywordflow">return</span> m;
00675 }
00676
<a name="l00677"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca27">00677</a> <a class="code" href="a03128.html">CVector</a> CPSZoneDisc::getNormal(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
00678 {
00679 <span class="keywordflow">return</span> _Normal[<a class="code" href="a04223.html#a566">index</a>];
00680 }
<a name="l00681"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca56">00681</a> <span class="keywordtype">void</span> CPSZoneDisc::setNormal(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">CVector</a> n)
00682 {
00683 _Normal[<a class="code" href="a04223.html#a566">index</a>] = n;
00684 }
00685
<a name="l00686"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca58">00686</a> <span class="keywordtype">void</span> CPSZoneDisc::setScale(<a class="code" href="a04558.html#a11">uint32</a> k, <span class="keywordtype">float</span> scale)
00687 {
00688 _Radius[k].R = scale;
00689 _Radius[k].R2 = scale * scale;
00690 }
00691
<a name="l00692"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca31">00692</a> <a class="code" href="a03128.html">CVector</a> CPSZoneDisc::getScale(<a class="code" href="a04558.html#a11">uint32</a> k)<span class="keyword"> const</span>
00693 <span class="keyword"></span>{
00694 <span class="keywordflow">return</span> <a class="code" href="a03128.html">CVector</a>(_Radius[k].R, _Radius[k].R, _Radius[k].R);
00695 }
00696
00697
<a name="l00698"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDisca48">00698</a> <span class="keywordtype">void</span> CPSZoneDisc::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
00699 {
00700 f.serialVersion(1);
00701 CPSZone::serial(f);
00702 f.serial(_Normal);
00703 f.serial(_Radius);
00704 }
00705
<a name="l00706"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDiscb6">00706</a> <span class="keywordtype">void</span> CPSZoneDisc::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
00707 {
00708 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> < (1 << 16));
00709 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
00710 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
00711 }
00712
<a name="l00713"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDiscb4">00713</a> <span class="keywordtype">void</span> CPSZoneDisc::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
00714 {
00715 <a class="code" href="a03299.html">CRadiusPair</a> rp;
00716 rp.<a class="code" href="a03299.html#NL3D_1_1CRadiusPairo0">R</a> = rp.<a class="code" href="a03299.html#NL3D_1_1CRadiusPairo1">R2</a> = 1.f;
00717 <a class="code" href="a04199.html#a6">nlassert</a>(_Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_1">getSize</a>() != _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_0">getMaxSize</a>());
00718 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(rp);
00719 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(CVector::K);
00720 }
00721
<a name="l00722"></a><a class="code" href="a03257.html#NL3D_1_1CPSZoneDiscb2">00722</a> <span class="keywordtype">void</span> CPSZoneDisc::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
00723 {
00724 _Radius.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
00725 _Normal.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
00726 }
00727
00728
00730 <span class="comment">// CPSZoneCylinder implementation //</span>
00732 <span class="comment"></span>
00733
00734 <span class="comment">/*</span>
00735 <span class="comment">void CPSZoneCylinder::performMotion(TAnimationTime ellapsedTime)</span>
00736 <span class="comment">{</span>
00737 <span class="comment"> TPSAttribVector::const_iterator dimIt = _Dim.begin();</span>
00738 <span class="comment"> CPSAttrib<CPlaneBasis>::const_iterator basisIt = _Basis.begin();</span>
00739 <span class="comment"> TPSAttribVector::const_iterator cylinderPosIt, cylinderPosEnd, targetPosIt, targetPosEnd;</span>
00740 <span class="comment"> CVector dest;</span>
00741 <span class="comment"> CPSCollisionInfo ci;</span>
00742 <span class="comment"> CVector startEnd;</span>
00743 <span class="comment"> uint32 k;</span>
00744 <span class="comment"> const TPSAttribVector *speedAttr;</span>
00745 <span class="comment"></span>
00746 <span class="comment"></span>
00747 <span class="comment"></span>
00748 <span class="comment"> for (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)</span>
00749 <span class="comment"> {</span>
00750 <span class="comment"></span>
00751 <span class="comment"> speedAttr = &((*it)->getSpeed());</span>
00752 <span class="comment"></span>
00753 <span class="comment"></span>
00754 <span class="comment"> // cycle through the cylinders</span>
00755 <span class="comment"></span>
00756 <span class="comment"> cylinderPosEnd = _Owner->getPos().end();</span>
00757 <span class="comment"> for (cylinderPosIt = _Owner->getPos().begin(); cylinderPosIt != cylinderPosEnd</span>
00758 <span class="comment"> ; ++cylinderPosIt, ++dimIt, ++basisIt)</span>
00759 <span class="comment"> {</span>
00760 <span class="comment"> </span>
00761 <span class="comment"> // we must setup the cylinder in the good basis</span>
00762 <span class="comment"></span>
00763 <span class="comment"> const CMatrix &m = CPSLocated::getConversionMatrix(*it, this->_Owner);</span>
00764 <span class="comment"></span>
00765 <span class="comment"> </span>
00766 <span class="comment"></span>
00767 <span class="comment"> // compute the new center pos</span>
00768 <span class="comment"> CVector center = m * *cylinderPosIt;</span>
00769 <span class="comment"></span>
00770 <span class="comment"> // compute a basis for the cylinder</span>
00771 <span class="comment"> CVector I = m.mulVector(basisIt->X);</span>
00772 <span class="comment"> CVector J = m.mulVector(basisIt->Y);</span>
00773 <span class="comment"> CVector K = m.mulVector(basisIt->X ^ basisIt->Y);</span>
00774 <span class="comment"></span>
00775 <span class="comment"> </span>
00776 <span class="comment"> // the pos projected (and scale) over the plane basis of the cylinder, the pos minus the center</span>
00777 <span class="comment"> CVector projectedPos, tPos;</span>
00778 <span class="comment"></span>
00779 <span class="comment"> // the same, but with the final position</span>
00780 <span class="comment"> CVector destProjectedPos, destTPos;</span>
00781 <span class="comment"></span>
00782 <span class="comment"></span>
00783 <span class="comment"> // deals with each particle</span>
00784 <span class="comment"> targetPosEnd = (*it)->getPos().end();</span>
00785 <span class="comment"> for (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k)</span>
00786 <span class="comment"> { </span>
00787 <span class="comment"> const CVector &speed = (*speedAttr)[k];</span>
00788 <span class="comment"> const CVector &pos = *targetPosIt;</span>
00789 <span class="comment"></span>
00790 <span class="comment"> </span>
00791 <span class="comment"> </span>
00792 <span class="comment"> // check wether current pos was outside the cylinder</span>
00793 <span class="comment"></span>
00794 <span class="comment"></span>
00795 <span class="comment"> tPos = pos - center;</span>
00796 <span class="comment"> projectedPos = (1 / dimIt->x) * (I * tPos) * I + (1 / dimIt->y) * (J * tPos) * J;</span>
00797 <span class="comment"> </span>
00798 <span class="comment"> if (!</span>
00799 <span class="comment"> (</span>
00800 <span class="comment"> ((tPos * K) < dimIt->z)</span>
00801 <span class="comment"> && ((tPos * K) > -dimIt->z)</span>
00802 <span class="comment"> && (projectedPos * projectedPos < 1.f) </span>
00803 <span class="comment"> )</span>
00804 <span class="comment"> )</span>
00805 <span class="comment"> {</span>
00806 <span class="comment"> dest = pos + ellapsedTime * speed;</span>
00807 <span class="comment"> destTPos = dest - center;</span>
00808 <span class="comment"> destProjectedPos = (1.f / dimIt->x) * (I * tPos) * I + (1.f / dimIt->y) * (J * tPos) * J;</span>
00809 <span class="comment"></span>
00810 <span class="comment"> // test wether the new position is inside the cylinder</span>
00811 <span class="comment"></span>
00812 <span class="comment"> </span>
00813 <span class="comment"> if (!</span>
00814 <span class="comment"> (</span>
00815 <span class="comment"> ((destTPos * K) < dimIt->z)</span>
00816 <span class="comment"> && ((destTPos * K) > -dimIt->z)</span>
00817 <span class="comment"> && (destProjectedPos * destProjectedPos < 1.f) </span>
00818 <span class="comment"> )</span>
00819 <span class="comment"> )</span>
00820 <span class="comment"> {</span>
00821 <span class="comment"> // now, detect the closest hit point (the smallest alpha, with alpha, the percent of the move vector</span>
00822 <span class="comment"> // to reach the hit point)</span>
00823 <span class="comment"></span>
00824 <span class="comment"> const float epsilon = 10E-6f;</span>
00825 <span class="comment"></span>
00826 <span class="comment"> float alphaTop, alphaBottom, alphaCyl;</span>
00827 <span class="comment"></span>
00828 <span class="comment"> const float denum = (dest - pos) * K;</span>
00829 <span class="comment"></span>
00830 <span class="comment"> // top plane</span>
00831 <span class="comment"></span>
00832 <span class="comment"> if (fabs(denum) < epsilon)</span>
00833 <span class="comment"> {</span>
00834 <span class="comment"> alphaTop = (dimIt->z - (tPos * K)) / denum;</span>
00835 <span class="comment"> if (alphaTop < 0.f) alphaTop = 1.f;</span>
00836 <span class="comment"> }</span>
00837 <span class="comment"> else</span>
00838 <span class="comment"> {</span>
00839 <span class="comment"> alphaTop = 1.f;</span>
00840 <span class="comment"> }</span>
00841 <span class="comment"></span>
00842 <span class="comment"> // bottom plane</span>
00843 <span class="comment"></span>
00844 <span class="comment"> if (fabs(denum) < epsilon)</span>
00845 <span class="comment"> {</span>
00846 <span class="comment"> alphaBottom = (- dimIt->z - (tPos * K)) / denum;</span>
00847 <span class="comment"> if (alphaBottom < 0.f) alphaBottom = 1.f;</span>
00848 <span class="comment"> }</span>
00849 <span class="comment"> else</span>
00850 <span class="comment"> {</span>
00851 <span class="comment"> alphaBottom = 1.f;</span>
00852 <span class="comment"> }</span>
00853 <span class="comment"></span>
00854 <span class="comment"> // cylinder</span>
00855 <span class="comment"></span>
00856 <span class="comment"> //expressed the src and dest positions in the cylinder basis</span>
00857 <span class="comment"></span>
00858 <span class="comment"> const float ox = tPos * I, oy = tPos * J, dx = (destTPos - tPos) * I, dy = (destTPos - tPos) * J;</span>
00859 <span class="comment"></span>
00860 <span class="comment"> // coefficients of the equation : a * alpha ^ 2 + b * alpha + c = 0</span>
00861 <span class="comment"> const float a = (dx * dx) / (dimIt->x * dimIt->x)</span>
00862 <span class="comment"> + (dy * dy) / (dimIt->y * dimIt->y);</span>
00863 <span class="comment"> const float b = 2.f * (ox * dx) / (dimIt->x * dimIt->x)</span>
00864 <span class="comment"> + (oy * dy) / (dimIt->y * dimIt->y);</span>
00865 <span class="comment"> const float c = ox * ox + oy * oy - 1;</span>
00866 <span class="comment"></span>
00867 <span class="comment"> // discriminant</span>
00868 <span class="comment"> const float delta = b * b - 4.f * a * c;</span>
00869 <span class="comment"></span>
00870 <span class="comment"> if (delta < epsilon)</span>
00871 <span class="comment"> {</span>
00872 <span class="comment"> alphaCyl = 1.f;</span>
00873 <span class="comment"> }</span>
00874 <span class="comment"> else</span>
00875 <span class="comment"> {</span>
00876 <span class="comment"> const float deltaRoot = sqrtf(delta);</span>
00877 <span class="comment"> const float r1 = (- b - deltaRoot) / (2.f / a);</span>
00878 <span class="comment"> const float r2 = (- b - deltaRoot) / (2.f / a);</span>
00879 <span class="comment"></span>
00880 <span class="comment"> if (r1 < 0.f) alphaCyl = r2;</span>
00881 <span class="comment"> else if (r2 < 0.f) alphaCyl = r1;</span>
00882 <span class="comment"> else alphaCyl = r1 < r2 ? r1 : r2;</span>
00883 <span class="comment"> }</span>
00884 <span class="comment"></span>
00885 <span class="comment"></span>
00886 <span class="comment"> // now, choose the minimum positive dist</span>
00887 <span class="comment"> </span>
00888 <span class="comment"> if (alphaTop < alphaBottom && alphaTop < alphaCyl)</span>
00889 <span class="comment"> {</span>
00890 <span class="comment"> // collision with the top plane</span>
00891 <span class="comment"> CVector startEnd = alphaTop * (dest - pos);</span>
00892 <span class="comment"> ci.newPos = pos + startEnd + PSCollideEpsilon * K;</span>
00893 <span class="comment"> ci.dist = startEnd.norm();</span>
00894 <span class="comment"> ci.newSpeed = (-2.f * (speed * K)) * K + speed;</span>
00895 <span class="comment"> ci.collisionZone = this;</span>
00896 <span class="comment"> </span>
00897 <span class="comment"> (*it)->collisionUpdate(ci, k);</span>
00898 <span class="comment"> }</span>
00899 <span class="comment"> else</span>
00900 <span class="comment"> if (alphaBottom < alphaCyl)</span>
00901 <span class="comment"> { </span>
00902 <span class="comment"> // collision with the bottom plane</span>
00903 <span class="comment"> CVector startEnd = alphaBottom * (dest - pos);</span>
00904 <span class="comment"> ci.newPos = pos + startEnd - PSCollideEpsilon * K;</span>
00905 <span class="comment"> ci.dist = startEnd.norm();</span>
00906 <span class="comment"> ci.newSpeed = (-2.f * (speed * K)) * K + speed;</span>
00907 <span class="comment"> ci.collisionZone = this;</span>
00908 <span class="comment"> </span>
00909 <span class="comment"> </span>
00910 <span class="comment"> (*it)->collisionUpdate(ci, k);</span>
00911 <span class="comment"> }</span>
00912 <span class="comment"> else</span>
00913 <span class="comment"> {</span>
00914 <span class="comment"> // collision with the cylinder</span>
00915 <span class="comment"></span>
00916 <span class="comment"> CVector startEnd = alphaCyl * (dest - pos);</span>
00917 <span class="comment"></span>
00918 <span class="comment"> // normal at the hit point. It is the gradient of the implicit equation x^2 / a^2 + y^2 / b^2 - R^ 2= 0</span>
00919 <span class="comment"> // so we got unormalized n = (2 x / a ^ 2, 2 y / b ^ 2, 0) in the basis of the cylinder</span>
00920 <span class="comment"> // As we'll normalize it, we don't need the 2 factor</span>
00921 <span class="comment"> </span>
00922 <span class="comment"> float px = ox + alphaCyl * dx;</span>
00923 <span class="comment"> float py = oy + alphaCyl * dy;</span>
00924 <span class="comment"></span>
00925 <span class="comment"> CVector normal = px / (dimIt->x * dimIt->x) * I + py / (dimIt->y * dimIt->y) * J;</span>
00926 <span class="comment"> normal.normalize();</span>
00927 <span class="comment"></span>
00928 <span class="comment"> ci.newPos = pos + startEnd - PSCollideEpsilon * normal;</span>
00929 <span class="comment"> ci.dist = startEnd.norm();</span>
00930 <span class="comment"> ci.newSpeed = (-2.f * (speed * normal)) * normal + speed;</span>
00931 <span class="comment"> ci.collisionZone = this;</span>
00932 <span class="comment"></span>
00933 <span class="comment"> (*it)->collisionUpdate(ci, k);</span>
00934 <span class="comment"> } </span>
00935 <span class="comment"></span>
00936 <span class="comment"> }</span>
00937 <span class="comment"> } </span>
00938 <span class="comment"> }</span>
00939 <span class="comment"> }</span>
00940 <span class="comment"> }</span>
00941 <span class="comment">}</span>
00942 <span class="comment">*/</span>
00943
00944
00945
<a name="l00946"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera44">00946</a> <span class="keywordtype">void</span> CPSZoneCylinder::performMotion(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
00947 {
00948 <a class="code" href="a04726.html#a0">MINI_TIMER</a>(<a class="code" href="a05363.html#a204">PSStatsZoneCylinder</a>)
00949 TPSAttribVector::const_iterator dimIt;
00950 <a class="code" href="a03135.html">CPSAttrib<CPlaneBasis></a>::const_iterator basisIt;
00951 TPSAttribVector::const_iterator cylinderPosIt, cylinderPosEnd, targetPosIt, targetPosEnd;
00952 <a class="code" href="a03128.html">CVector</a> dest;
00953 <a class="code" href="a03151.html">CPSCollisionInfo</a> ci;
00954 <a class="code" href="a04558.html#a11">uint32</a> k;
00955 <span class="keyword">const</span> <a class="code" href="a03135.html">TPSAttribVector</a> *speedAttr;
00956
00957
00958
00959 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
00960 {
00961
00962 speedAttr = &((*it)->getSpeed());
00963
00964
00965 <span class="comment">// cycle through the cylinders</span>
00966
00967 cylinderPosEnd = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
00968 <span class="keywordflow">for</span> (cylinderPosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), basisIt = _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(), dimIt = <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>()
00969 ; cylinderPosIt != cylinderPosEnd
00970 ; ++cylinderPosIt, ++dimIt, ++basisIt)
00971 {
00972
00973 <span class="comment">// we must setup the cylinder in the good basis</span>
00974
00975 <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00976
00977
00978
00979 <span class="comment">// compute the new center pos</span>
00980 <a class="code" href="a03128.html">CVector</a> center = m * *cylinderPosIt;
00981
00982 <span class="comment">// compute a basis for the cylinder</span>
00983 <a class="code" href="a03128.html">CVector</a> I = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(basisIt->X);
00984 <a class="code" href="a03128.html">CVector</a> J = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(basisIt->Y);
00985 <a class="code" href="a03128.html">CVector</a> K = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(basisIt->X ^ basisIt->Y);
00986
00987
00988 <span class="comment">// the pos projected (and scale) over the plane basis of the cylinder, the pos minus the center</span>
00989 <a class="code" href="a03128.html">CVector</a> projectedPos, tPos;
00990
00991 <span class="comment">// the same, but with the final position</span>
00992 <a class="code" href="a03128.html">CVector</a> destProjectedPos, destTPos;
00993
00994
00995 <span class="comment">// deals with each particle</span>
00996 targetPosEnd = (*it)->getPos().end();
00997 TPSAttribCollisionInfo::const_iterator ciIt = (*it)->getCollisionInfo().begin();
00998 <span class="keywordflow">for</span> (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k, ++ciIt)
00999 {
01000 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &speed = (*speedAttr)[k];
01001 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &pos = *targetPosIt;
01002
01003
01004
01005 <span class="comment">// check wether current pos was outside the cylinder</span>
01006
01007
01008 tPos = pos - center;
01009 projectedPos = (1 / dimIt->x) * (I * tPos) * I + (1 / dimIt->y) * (J * tPos) * J;
01010
01011 <span class="keywordflow">if</span> (!
01012 (
01013 ((tPos * K) < dimIt->z)
01014 && ((tPos * K) > -dimIt->z)
01015 && (projectedPos * projectedPos < 1.f)
01016 )
01017 )
01018 {
01019 dest = pos + ellapsedTime * speed * ciIt->TimeSliceRatio;
01020 destTPos = dest - center;
01021 destProjectedPos = (1.f / dimIt->x) * (I * destTPos) * I + (1.f / dimIt->y) * (J * destTPos) * J;
01022
01023 <span class="comment">// test wether the new position is inside the cylinder</span>
01024
01025
01026 <span class="keywordflow">if</span> (
01027 (
01028 ((destTPos * K) < dimIt->z)
01029 && ((destTPos * K) > -dimIt->z)
01030 && (destProjectedPos * destProjectedPos < 1.f)
01031 )
01032 )
01033 {
01034 <span class="comment">// now, detect the closest hit point (the smallest alpha, with alpha, the percent of the move vector</span>
01035 <span class="comment">// to reach the hit point)</span>
01036
01037 <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 10E-3f;
01038
01039 <span class="keywordtype">float</span> alphaTop, alphaBottom, alphaCyl;
01040
01041 <span class="keyword">const</span> <span class="keywordtype">float</span> denum = (dest - pos) * K;
01042
01043 <span class="comment">// top plane</span>
01044
01045 <span class="keywordflow">if</span> (fabs(denum) < epsilon)
01046 {
01047 alphaTop = (dimIt->z - (tPos * K)) / denum;
01048 <span class="keywordflow">if</span> (alphaTop < 0.f) alphaTop = 1.f;
01049 }
01050 <span class="keywordflow">else</span>
01051 {
01052 alphaTop = 1.f;
01053 }
01054
01055 <span class="comment">// bottom plane</span>
01056
01057 <span class="keywordflow">if</span> (fabs(denum) < epsilon)
01058 {
01059 alphaBottom = (- dimIt->z - (tPos * K)) / denum;
01060 <span class="keywordflow">if</span> (alphaBottom < 0.f) alphaBottom = 1.f;
01061 }
01062 <span class="keywordflow">else</span>
01063 {
01064 alphaBottom = 1.f;
01065 }
01066
01067 <span class="comment">// cylinder</span>
01068
01069 <span class="comment">//expressed the src and dest positions in the cylinder basis</span>
01070
01071 <span class="keyword">const</span> <span class="keywordtype">float</span> ox = tPos * I, oy = tPos * J, dx = (destTPos - tPos) * I, dy = (destTPos - tPos) * J;
01072
01073 <span class="comment">// coefficients of the equation : a * alpha ^ 2 + b * alpha + c = 0</span>
01074 <span class="keyword">const</span> <span class="keywordtype">float</span> a = (dx * dx) / (dimIt->x * dimIt->x)
01075 + (dy * dy) / (dimIt->y * dimIt->y);
01076 <span class="keyword">const</span> <span class="keywordtype">float</span> b = 2.f * ((ox * dx) / (dimIt->x * dimIt->x)
01077 + (oy * dy) / (dimIt->y * dimIt->y));
01078 <span class="keyword">const</span> <span class="keywordtype">float</span> c = (ox * ox) / (dimIt->x * dimIt->x) + (oy * oy) / (dimIt->y * dimIt->y) - 1;
01079
01080 <span class="comment">// discriminant</span>
01081 <span class="keyword">const</span> <span class="keywordtype">float</span> delta = b * b - 4.f * a * c;
01082
01083 <span class="keywordflow">if</span> (delta < epsilon)
01084 {
01085 alphaCyl = 1.f;
01086 }
01087 <span class="keywordflow">else</span>
01088 {
01089 <span class="keyword">const</span> <span class="keywordtype">float</span> deltaRoot = sqrtf(delta);
01090 <span class="keyword">const</span> <span class="keywordtype">float</span> r1 = (- b + 2.f * deltaRoot) / (2.f * a);
01091 <span class="keyword">const</span> <span class="keywordtype">float</span> r2 = (- b - 2.f * deltaRoot) / (2.f * a);
01092
01093 <span class="keywordflow">if</span> (r1 < 0.f) alphaCyl = r2;
01094 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r2 < 0.f) alphaCyl = r1;
01095 <span class="keywordflow">else</span> alphaCyl = r1 < r2 ? r1 : r2;
01096
01097 <span class="keywordflow">if</span> (alphaCyl < 0.f) alphaCyl = 1.f;
01098 }
01099
01100
01101 <span class="comment">// now, choose the minimum positive dist</span>
01102
01103
01104
01105 <span class="keywordflow">if</span> (alphaTop < alphaBottom && alphaTop < alphaCyl)
01106 {
01107 <span class="comment">// collision with the top plane</span>
01108 <a class="code" href="a03128.html">CVector</a> startEnd = alphaTop * (dest - pos);
01109 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = pos + startEnd + <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * K;
01110 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
01111 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = (-2.f * (speed * K)) * K + speed;
01112 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
01113
01114 (*it)->collisionUpdate(ci, k);
01115 }
01116 <span class="keywordflow">else</span>
01117 <span class="keywordflow">if</span> (alphaBottom < alphaCyl)
01118 {
01119 <span class="comment">// collision with the bottom plane</span>
01120 <a class="code" href="a03128.html">CVector</a> startEnd = alphaBottom * (dest - pos);
01121 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = pos + startEnd - <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * K;
01122 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
01123 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = (-2.f * (speed * K)) * K + speed;
01124 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
01125
01126
01127 (*it)->collisionUpdate(ci, k);
01128 }
01129 <span class="keywordflow">else</span>
01130 {
01131 <span class="comment">// collision with the cylinder</span>
01132
01133 <a class="code" href="a03128.html">CVector</a> startEnd = alphaCyl * (dest - pos);
01134
01135 <span class="comment">// normal at the hit point. It is the gradient of the implicit equation x^2 / a^2 + y^2 / b^2 - R^ 2= 0</span>
01136 <span class="comment">// so we got unormalized n = (2 x / a ^ 2, 2 y / b ^ 2, 0) in the basis of the cylinder</span>
01137 <span class="comment">// As we'll normalize it, we don't need the 2 factor</span>
01138
01139 <span class="keywordtype">float</span> px = ox + alphaCyl * dx;
01140 <span class="keywordtype">float</span> py = oy + alphaCyl * dy;
01141
01142 <a class="code" href="a03128.html">CVector</a> normal = px / (dimIt->x * dimIt->x) * I + py / (dimIt->y * dimIt->y) * J;
01143 normal.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_1">normalize</a>();
01144
01145 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = pos + startEnd + <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * normal;
01146 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
01147 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = (-2.f * (speed * normal)) * normal + speed;
01148 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
01149
01150 (*it)->collisionUpdate(ci, k);
01151 }
01152
01153 }
01154 }
01155 }
01156 }
01157 }
01158 }
01159
<a name="l01160"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera61">01160</a> <span class="keywordtype">void</span> CPSZoneCylinder::show(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
01161 {
01162 TPSAttribVector::const_iterator dimIt = <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>()
01163 ,posIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>()
01164 , endPosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
01165
01166 <a class="code" href="a03135.html">CPSAttrib<CPlaneBasis></a>::const_iterator basisIt = _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
01167
01168 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
01169 <a class="code" href="a02851.html">CMatrix</a> mat;
01170
01171
01172
01173 <a class="code" href="a03214.html">CPSLocated</a> *loc;
01174 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>;
01175 <a class="code" href="a02691.html">CPSLocatedBindable</a> *lb;
01176 _Owner-><a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-><a class="code" href="a03041.html#NL3D_1_1CParticleSystemz588_0">getCurrentEditedElement</a>(loc, <a class="code" href="a04223.html#a566">index</a>, lb);
01177
01178
01179 <span class="keywordflow">for</span> (<a class="code" href="a04558.html#a11">uint32</a> k = 0; posIt != endPosIt; ++posIt, ++dimIt, ++basisIt, ++k)
01180 {
01181 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_10">setRot</a>(basisIt->X, basisIt->Y, basisIt->X ^ basisIt->Y);
01182 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(CVector::Null);
01183
01184 <span class="keyword">const</span> <a class="code" href="a03337.html">CRGBA</a> col = ((lb == NULL || <span class="keyword">this</span> == lb) && loc == _Owner && <a class="code" href="a04223.html#a566">index</a> == k ? CRGBA::Red : <a class="code" href="a03337.html">CRGBA</a>(127, 127, 127));
01185
01186
01187 CPSUtil::displayCylinder(*<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), *posIt, mat, *dimIt, 32, col);
01188
01189 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(*posIt);
01190 CPSUtil::displayBasis(<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>() ,<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea22">getLocalToWorldMatrix</a>(), mat, 1.f, *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea17">getFontGenerator</a>(), *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea19">getFontManager</a>());
01191 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
01192
01193 }
01194 }
01195
01196
01197
<a name="l01198"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera54">01198</a> <span class="keywordtype">void</span> CPSZoneCylinder::setMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m)
01199 {
01200 <span class="comment">// transform the basis </span>
01201 _Basis[<a class="code" href="a04223.html#a566">index</a>].X = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>();
01202 _Basis[<a class="code" href="a04223.html#a566">index</a>].Y = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>();
01203
01204 <span class="comment">// compute new pos</span>
01205 _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>();
01206
01207
01208 }
01209
01210
01211
<a name="l01212"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera24">01212</a> <a class="code" href="a02851.html">CMatrix</a> CPSZoneCylinder::getMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
01213 <span class="keyword"></span>{
01214 <a class="code" href="a02851.html">CMatrix</a> m;
01215 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_10">setRot</a>(_Basis[<a class="code" href="a04223.html#a566">index</a>].X, _Basis[<a class="code" href="a04223.html#a566">index</a>].Y, _Basis[<a class="code" href="a04223.html#a566">index</a>].X ^_Basis[<a class="code" href="a04223.html#a566">index</a>].Y);
01216 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]);
01217 <span class="keywordflow">return</span> m;
01218 }
01219
01220
<a name="l01221"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera58">01221</a> <span class="keywordtype">void</span> CPSZoneCylinder::setScale(<a class="code" href="a04558.html#a11">uint32</a> k, <span class="keywordtype">float</span> scale)
01222 {
01223 <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>[k] = <a class="code" href="a03128.html">CVector</a>(scale, scale, scale);
01224 }
01225
<a name="l01226"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera31">01226</a> <a class="code" href="a03128.html">CVector</a> CPSZoneCylinder::getScale(<a class="code" href="a04558.html#a11">uint32</a> k)<span class="keyword"> const</span>
01227 <span class="keyword"></span>{
01228 <span class="keywordflow">return</span> <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>[k];
01229 }
01230
<a name="l01231"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera57">01231</a> <span class="keywordtype">void</span> CPSZoneCylinder::setScale(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &<a class="code" href="a04223.html#a626">s</a>)
01232 {
01233 <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>[<a class="code" href="a04223.html#a566">index</a>] = <a class="code" href="a04223.html#a626">s</a>;
01234 }
01235
01236
<a name="l01237"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylindera48">01237</a> <span class="keywordtype">void</span> CPSZoneCylinder::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
01238 {
01239 f.serialVersion(1);
01240 CPSZone::serial(f);
01241 f.serial(_Basis);
01242 f.serial(_Dim);
01243 }
01244
01245
01246
<a name="l01247"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderb6">01247</a> <span class="keywordtype">void</span> CPSZoneCylinder::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
01248 {
01249 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> < (1 << 16));
01250 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
01251 <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
01252 }
01253
<a name="l01254"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderb4">01254</a> <span class="keywordtype">void</span> CPSZoneCylinder::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
01255 {
01256 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(<a class="code" href="a03083.html">CPlaneBasis</a>(CVector::K));
01257 <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(<a class="code" href="a03128.html">CVector</a>(1, 1, 1));
01258 }
01259
<a name="l01260"></a><a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderb2">01260</a> <span class="keywordtype">void</span> CPSZoneCylinder::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
01261 {
01262 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
01263 <a class="code" href="a03256.html#NL3D_1_1CPSZoneCylinderp4">_Dim</a>.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
01264 }
01265
01266
01268 <span class="comment">// implementation of CPSZoneRectangle //</span>
01270 <span class="comment"></span>
01271
01272
01273
01274
<a name="l01275"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea44">01275</a> <span class="keywordtype">void</span> CPSZoneRectangle::performMotion(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
01276 {
01277 <a class="code" href="a04726.html#a0">MINI_TIMER</a>(<a class="code" href="a05363.html#a203">PSStatsZoneRectangle</a>)
01278 <span class="comment">// for each target, we must check wether they are going through the rectangle</span>
01279 <span class="comment">// if so they must bounce</span>
01280 TPSAttribVector::const_iterator rectanglePosIt, rectanglePosEnd, targetPosIt, targetPosEnd;
01281 <a class="code" href="a03135.html">CPSAttrib<CPlaneBasis></a>::const_iterator basisIt;
01282 TPSAttribFloat::const_iterator widthIt, heightIt;
01283
01284 <a class="code" href="a03128.html">CVector</a> dest;
01285 <a class="code" href="a03151.html">CPSCollisionInfo</a> ci;
01286 <a class="code" href="a03128.html">CVector</a> startEnd;
01287 <a class="code" href="a04558.html#a11">uint32</a> k;
01288 <span class="keyword">const</span> <a class="code" href="a03135.html">TPSAttribVector</a> *speedAttr;
01289 <span class="keywordtype">float</span> posSide, negSide;
01290
01291 <span class="comment">// alpha is the ratio that gives the percent of endPos - startPos that hit the rectangle</span>
01292 <span class="keywordtype">float</span> <a class="code" href="a04223.html#a663">alpha</a>;
01293
01294 <a class="code" href="a03128.html">CVector</a> center;
01295
01296 <span class="keywordflow">for</span> (TTargetCont::iterator it = _Targets.begin(); it != _Targets.end(); ++it)
01297 {
01298
01299 basisIt = _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
01300 heightIt = _Height.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
01301 widthIt = _Width.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
01302
01303 speedAttr = &((*it)->getSpeed());
01304 <span class="comment">// cycle through the rectangle</span>
01305
01306 rectanglePosEnd = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
01307 <span class="keywordflow">for</span> (rectanglePosIt = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>(); rectanglePosIt != rectanglePosEnd
01308 ; ++rectanglePosIt, ++basisIt, ++widthIt, ++heightIt)
01309 {
01310
01311 <span class="comment">// we must setup the rectangle in the good basis</span>
01312
01313 <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
01314
01315
01316
01317 <a class="code" href="a03082.html">NLMISC::CPlane</a> p;
01318 center = m * (*rectanglePosIt);
01319
01320 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> X = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(basisIt->X);
01321 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> Y = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1968_1">mulVector</a>(basisIt->Y);
01322
01323 p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_2">make</a>(X ^ Y, center);
01324
01325 <span class="comment">// deals with each particle</span>
01326
01327 <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 0.5f * <a class="code" href="a05363.html#a273">PSCollideEpsilon</a>;
01328
01329 targetPosEnd = (*it)->getPos().end();
01330 TPSAttribCollisionInfo::const_iterator ciIt = (*it)->getCollisionInfo().begin();
01331 <span class="keywordflow">for</span> (targetPosIt = (*it)->getPos().begin(), k = 0; targetPosIt != targetPosEnd; ++targetPosIt, ++k, ++ciIt)
01332 {
01333 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &pos = *targetPosIt;
01334 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &speed = (*speedAttr)[k];
01335 <span class="comment">// check whether the located is going through the rectangle</span>
01336 dest = pos + ellapsedTime * speed * ciIt->TimeSliceRatio;
01337
01338
01339 posSide = p * pos;
01340 negSide = p * dest;
01341
01342 <span class="keywordflow">if</span> (posSide >= - epsilon && negSide <= epsilon)
01343 {
01344 <span class="keywordflow">if</span> (fabsf(posSide - negSide) > <a class="code" href="a04061.html#a0">std::numeric_limits<float>::min</a>())
01345 {
01346 <a class="code" href="a04223.html#a663">alpha</a> = posSide / (posSide - negSide);
01347 }
01348 <span class="keywordflow">else</span>
01349 {
01350 <a class="code" href="a04223.html#a663">alpha</a> = 0.f;
01351 }
01352 startEnd = <a class="code" href="a04223.html#a663">alpha</a> * (dest - pos);
01353 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo1">dist</a> = startEnd.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2049_0">norm</a>();
01354 <span class="comment">// we translate the particle from an epsilon so that it won't get hooked to the rectangle</span>
01355 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> = pos + startEnd;
01356
01357
01358
01359
01360 <span class="keywordflow">if</span> ( fabs( (pos - center) * X ) < *widthIt && fabs( (pos - center) * Y ) < *heightIt) <span class="comment">// check collision against rectangle</span>
01361 {
01362 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo2">newPos</a> += <a class="code" href="a05363.html#a273">PSCollideEpsilon</a> * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>();
01363 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo3">newSpeed</a> = _BounceFactor * (speed - 2.0f * (speed * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>()) * p.<a class="code" href="a03082.html#NLMISC_1_1CPlanez1990_0">getNormal</a>());
01364 ci.<a class="code" href="a03151.html#NL3D_1_1CPSCollisionInfoo0">collisionZone</a> = <span class="keyword">this</span>;
01365 (*it)->collisionUpdate(ci, k);
01366 }
01367
01368 }
01369 }
01370 }
01371 }
01372 }
01373
01374
<a name="l01375"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea61">01375</a> <span class="keywordtype">void</span> CPSZoneRectangle::show(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
01376 {
01377 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
01378 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a587">size</a> = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda44">getSize</a>();
01379 <span class="keywordflow">if</span> (!<a class="code" href="a04223.html#a587">size</a>) <span class="keywordflow">return</span>;
01380 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
01381 <a class="code" href="a02851.html">CMatrix</a> mat;
01382
01383 <a class="code" href="a03214.html">CPSLocated</a> *loc;
01384 <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>;
01385 <a class="code" href="a02691.html">CPSLocatedBindable</a> *lb;
01386 _Owner-><a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-><a class="code" href="a03041.html#NL3D_1_1CParticleSystemz588_0">getCurrentEditedElement</a>(loc, <a class="code" href="a04223.html#a566">index</a>, lb);
01387
01388 <span class="keywordflow">for</span> (<a class="code" href="a04558.html#a15">uint</a> k = 0; k < <a class="code" href="a04223.html#a587">size</a>; ++k)
01389 {
01390 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &I = _Basis[k].X;
01391 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &J = _Basis[k].Y;
01392 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_10">setRot</a>(I, J , I ^J);
01393 mat.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[k]);
01394 CPSUtil::displayBasis(<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea22">getLocalToWorldMatrix</a>(), mat, 1.f, *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea17">getFontGenerator</a>(), *<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea19">getFontManager</a>());
01395 <a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea59">setupDriverModelMatrix</a>();
01396
01397 <span class="keyword">const</span> <a class="code" href="a03337.html">CRGBA</a> col = ((lb == NULL || <span class="keyword">this</span> == lb) && loc == _Owner && <a class="code" href="a04223.html#a566">index</a> == k ? CRGBA::Red : <a class="code" href="a03337.html">CRGBA</a>(127, 127, 127));
01398
01399
01400
01401 <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &pos = _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[k];
01402 CPSUtil::display3DQuad(*<a class="code" href="a02691.html#NL3D_1_1CPSZoneSpherea14">getDriver</a>(), pos + I * _Width[k] + J * _Height[k]
01403 , pos + I * _Width[k] - J * _Height[k]
01404 , pos - I * _Width[k] - J * _Height[k]
01405 , pos - I * _Width[k] + J * _Height[k], col);
01406 }
01407 }
01408
<a name="l01409"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea54">01409</a> <span class="keywordtype">void</span> CPSZoneRectangle::setMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a02851.html">CMatrix</a> &m)
01410 {
01411 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
01412
01413 _Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>] = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_6">getPos</a>();
01414 _Basis[<a class="code" href="a04223.html#a566">index</a>].X = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_2">getI</a>();
01415 _Basis[<a class="code" href="a04223.html#a566">index</a>].Y = m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1963_3">getJ</a>();
01416 }
01417
01418
<a name="l01419"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea24">01419</a> <a class="code" href="a02851.html">CMatrix</a> CPSZoneRectangle::getMatrix(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
01420 <span class="keyword"></span>{
01421 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
01422 <a class="code" href="a02851.html">CMatrix</a> m;
01423 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_10">setRot</a>(_Basis[<a class="code" href="a04223.html#a566">index</a>].X, _Basis[<a class="code" href="a04223.html#a566">index</a>].Y, _Basis[<a class="code" href="a04223.html#a566">index</a>].X ^ _Basis[<a class="code" href="a04223.html#a566">index</a>].Y);
01424 m.<a class="code" href="a02851.html#NLMISC_1_1CMatrixz1961_4">setPos</a>(_Owner-><a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]);
01425 <span class="keywordflow">return</span> m;
01426 }
01427
<a name="l01428"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea58">01428</a> <span class="keywordtype">void</span> CPSZoneRectangle::setScale(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keywordtype">float</span> scale)
01429 {
01430 _Width[<a class="code" href="a04223.html#a566">index</a>] = scale;
01431 _Height[<a class="code" href="a04223.html#a566">index</a>] = scale;
01432 }
<a name="l01433"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea57">01433</a> <span class="keywordtype">void</span> CPSZoneRectangle::setScale(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a03128.html">CVector</a> &<a class="code" href="a04223.html#a626">s</a>)
01434 {
01435 _Width[<a class="code" href="a04223.html#a566">index</a>] = <a class="code" href="a04223.html#a626">s</a>.x;
01436 _Height[<a class="code" href="a04223.html#a566">index</a>] = <a class="code" href="a04223.html#a626">s</a>.y;
01437 }
<a name="l01438"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea31">01438</a> <a class="code" href="a03128.html">CVector</a> CPSZoneRectangle::getScale(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)<span class="keyword"> const</span>
01439 <span class="keyword"></span>{
01440 <span class="keywordflow">return</span> <a class="code" href="a03128.html">CVector</a>(_Width[<a class="code" href="a04223.html#a566">index</a>], _Height[<a class="code" href="a04223.html#a566">index</a>], 1.f);
01441 }
01442
01443
01444
<a name="l01445"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectanglea48">01445</a> <span class="keywordtype">void</span> CPSZoneRectangle::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
01446 {
01447 f.serialVersion(1);
01448 CPSZone::serial(f);
01449 f.serial(_Basis);
01450 f.serial(_Width);
01451 f.serial(_Height);
01452 }
01453
01454
<a name="l01455"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectangleb6">01455</a> <span class="keywordtype">void</span> CPSZoneRectangle::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
01456 {
01457 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> < (1 << 16));
01458 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
01459 _Width.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
01460 _Height.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz704_2">resize</a>(<a class="code" href="a04223.html#a587">size</a>);
01461 }
01462
<a name="l01463"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectangleb4">01463</a> <span class="keywordtype">void</span> CPSZoneRectangle::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
01464 {
01465 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(<a class="code" href="a03083.html">CPlaneBasis</a>(CVector::K));
01466 _Width.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(1.f);
01467 _Height.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_1">insert</a>(1.f);
01468 }
01469
<a name="l01470"></a><a class="code" href="a03259.html#NL3D_1_1CPSZoneRectangleb2">01470</a> <span class="keywordtype">void</span> CPSZoneRectangle::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
01471 {
01472 _Basis.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
01473 _Width.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
01474 _Height.<a class="code" href="a03135.html#NL3D_1_1CPSAttribz710_2">remove</a>(<a class="code" href="a04223.html#a566">index</a>);
01475 }
01476
01477
01478
01479 } <span class="comment">// NL3D</span>
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