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<hr><h1>ps_force.cpp</h1><a href="ps__force_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="ps__force_8h.html">3d/ps_force.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="3d_2primitive__block_8h.html">3d/primitive_block.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="material_8h.html">3d/material.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="vertex__buffer_8h.html">3d/vertex_buffer.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="computed__string_8h.html">3d/computed_string.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="font__manager_8h.html">3d/font_manager.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="particle__system_8h.html">3d/particle_system.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="ps__util_8h.html">3d/ps_util.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="ps__misc_8h.html">3d/ps_misc.h</a>"</font>
00039
00040 <font class="keyword">namespace </font>NL3D {
00041
00042
00043 <font class="comment">/*</font>
00044 <font class="comment"> * Constructor</font>
00045 <font class="comment"> */</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CPSForce.html#a0">00046</a> CPSForce::CPSForce()
00047 {
00048 }
00049
00050
00051
<a name="l00052"></a><a class="code" href="classNL3D_1_1CPSForce.html#a7">00052</a> <font class="keywordtype">void</font> CPSForce::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00053 {
00054
00055 f.serialVersion(1);
00056 CPSTargetLocatedBindable::serial(f);
00057 CPSLocatedBindable::serial(f);
00058
00059 }
00060
00061
<a name="l00062"></a><a class="code" href="classNL3D_1_1CPSForce.html#b0">00062</a> <font class="keywordtype">void</font> CPSForce::registerToTargets(<font class="keywordtype">void</font>)
00063 {
00064 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00065 {
00066 <font class="keywordflow">if</font> (this-><a class="code" href="classNL3D_1_1CPSForce.html#a8">isIntegrable</a>())
00067 {
00068 (*it)->registerIntegrableForce(<font class="keyword">this</font>);
00069 }
00070 <font class="keywordflow">else</font>
00071 {
00072 (*it)->addNonIntegrableForceRef();
00073 }
00074 }
00075 }
00076
00077
<a name="l00078"></a><a class="code" href="classNL3D_1_1CPSForce.html#a4">00078</a> <font class="keywordtype">void</font> CPSForce::step(<a class="code" href="namespaceNL3D.html#a484">TPSProcessPass</a> pass, <a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime, <a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> realEllapsedTime)
00079 {
00080 <font class="keywordflow">switch</font>(pass)
00081 {
00082 <font class="keywordflow">case</font> <a class="code" href="namespaceNL3D.html#a484a168">PSMotion</a>:
00083 <a class="code" href="classNL3D_1_1CPSForce.html#a5">performDynamic</a>(ellapsedTime);
00084 <font class="keywordflow">break</font>;
00085 <font class="keywordflow">case</font> <a class="code" href="namespaceNL3D.html#a484a171">PSToolRender</a>:
00086 <a class="code" href="classNL3D_1_1CPSForce.html#a6">show</a>(ellapsedTime);
00087 <font class="keywordflow">break</font>;
00088 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00089 }
00090 }
00091
00092
00093
<a name="l00094"></a><a class="code" href="classNL3D_1_1CPSForce.html#a9">00094</a> <font class="keywordtype">void</font> CPSForce::attachTarget(CPSLocated *ptr)
00095 {
00096 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00097 CPSTargetLocatedBindable::attachTarget(ptr);
00098 <font class="comment">// check wether we are integrable, and if so, add us to the list</font>
00099 <font class="keywordflow">if</font> (this-><a class="code" href="classNL3D_1_1CPSForce.html#a8">isIntegrable</a>())
00100 {
00101 ptr->registerIntegrableForce(<font class="keyword">this</font>);
00102 }
00103 <font class="keywordflow">else</font>
00104 {
00105 ptr->addNonIntegrableForceRef();
00106 }
00107 }
00108
<a name="l00109"></a><a class="code" href="classNL3D_1_1CPSForce.html#a10">00109</a> <font class="keywordtype">void</font> CPSForce::releaseTargetRsc(CPSLocated *target)
00110 {
00111 <font class="keywordflow">if</font> (this-><a class="code" href="classNL3D_1_1CPSForce.html#a8">isIntegrable</a>())
00112 {
00113 target->unregisterIntegrableForce(<font class="keyword">this</font>);
00114 }
00115 <font class="keywordflow">else</font>
00116 {
00117 target->releaseNonIntegrableForceRef();
00118 }
00119 }
00120
00121
00122
<a name="l00123"></a><a class="code" href="classNL3D_1_1CPSForce.html#b3">00123</a> <font class="keywordtype">void</font> CPSForce::basisChanged(<font class="keywordtype">bool</font> systemBasis)
00124 {
00125 <font class="keywordflow">if</font> (!this-><a class="code" href="classNL3D_1_1CPSForce.html#a8">isIntegrable</a>()) <font class="keywordflow">return</font>;
00126 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00127 {
00128 (*it)->integrableForceBasisChanged(systemBasis);
00129 }
00130 }
00131
00132
<a name="l00133"></a><a class="code" href="classNL3D_1_1CPSForce.html#b1">00133</a> <font class="keywordtype">void</font> CPSForce::cancelIntegrable(<font class="keywordtype">void</font>)
00134 {
00135 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00136 <font class="keywordtype">bool</font> useSystemBasis = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->isInSystemBasis();
00137 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00138 {
00139 <font class="keywordflow">if</font> ((*it)->isInSystemBasis() == useSystemBasis)
00140 {
00141 (*it)->unregisterIntegrableForce(<font class="keyword">this</font>);
00142 (*it)->addNonIntegrableForceRef();
00143 }
00144 }
00145 }
00146
00147
<a name="l00148"></a><a class="code" href="classNL3D_1_1CPSForce.html#b2">00148</a> <font class="keywordtype">void</font> CPSForce::renewIntegrable(<font class="keywordtype">void</font>)
00149 {
00150 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00151 <font class="keywordtype">bool</font> useSystemBasis = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->isInSystemBasis();
00152 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00153 {
00154 <font class="keywordflow">if</font> ((*it)->isInSystemBasis() == useSystemBasis)
00155 {
00156 (*it)->registerIntegrableForce(<font class="keyword">this</font>);
00157 (*it)->releaseNonIntegrableForceRef();
00158 }
00159 }
00160 }
00161
00162
00163
00165 <font class="comment">// CPSForceIntensity implementation //</font>
00167 <font class="comment"></font>
<a name="l00168"></a><a class="code" href="classNL3D_1_1CPSForceIntensity.html#a3">00168</a> <font class="keywordtype">void</font> CPSForceIntensity::setIntensity(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)
00169 {
00170 <font class="keywordflow">if</font> (_IntensityScheme)
00171 {
00172 <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>;
00173 <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> = NULL;
00174 }
00175 <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
00176
00177 }
00178
<a name="l00179"></a><a class="code" href="classNL3D_1_1CPSForceIntensity.html#a1">00179</a> CPSForceIntensity::~CPSForceIntensity()
00180 {
00181 <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>;
00182 }
00183
<a name="l00184"></a><a class="code" href="classNL3D_1_1CPSForceIntensity.html#a4">00184</a> <font class="keywordtype">void</font> CPSForceIntensity::setIntensityScheme(CPSAttribMaker<float> *scheme)
00185 {
00186 <a class="code" href="debug_8h.html#a6">nlassert</a>(scheme);
00187 <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>;
00188 <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> = scheme;
00189 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#b0">getForceIntensityOwner</a>() && scheme->hasMemory()) scheme->resize(<a class="code" href="classNL3D_1_1CPSForceIntensity.html#b0">getForceIntensityOwner</a>()->getMaxSize(), <a class="code" href="classNL3D_1_1CPSForceIntensity.html#b0">getForceIntensityOwner</a>()->getSize());
00190 }
00191
<a name="l00192"></a><a class="code" href="classNL3D_1_1CPSForceIntensity.html#a8">00192</a> <font class="keywordtype">void</font> CPSForceIntensity::serialForceIntensity(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00193 {
00194 f.serialVersion(1);
00195 <font class="keywordflow">if</font> (!f.isReading())
00196 {
00197 <font class="keywordflow">if</font> (_IntensityScheme)
00198 {
00199 <font class="keywordtype">bool</font> bFalse = <font class="keyword">false</font>;
00200 f.serial(bFalse);
00201 f.serialPolyPtr(_IntensityScheme);
00202 }
00203 <font class="keywordflow">else</font>
00204 {
00205 <font class="keywordtype">bool</font> bTrue = <font class="keyword">true</font>;
00206 f.serial(bTrue);
00207 f.serial(_K);
00208 }
00209 }
00210 <font class="keywordflow">else</font>
00211 {
00212 <font class="keywordtype">bool</font> constantIntensity;
00213 f.serial(constantIntensity);
00214 <font class="keywordflow">if</font> (constantIntensity)
00215 {
00216 f.serial(_K);
00217 }
00218 <font class="keywordflow">else</font>
00219 {
00220 f.serialPolyPtr(_IntensityScheme);
00221 }
00222 }
00223 }
00224
00225
00227 <font class="comment">// CPSForceIntensityHelper //</font>
00229 <font class="comment"></font>
00230
<a name="l00231"></a><a class="code" href="classNL3D_1_1CPSForceIntensityHelper.html#a0">00231</a> <font class="keywordtype">void</font> CPSForceIntensityHelper::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00232 {
00233 f.serialVersion(1);
00234 CPSForce::serial(f);
00235 serialForceIntensity(f);
00236 <font class="keywordflow">if</font> (f.isReading())
00237 {
00238 registerToTargets();
00239 }
00240 }
00241
00242
00243
00245 <font class="comment">// CPSDirectionalForce implementation //</font>
00247 <font class="comment"></font>
00248
<a name="l00249"></a><a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#a0">00249</a> <font class="keywordtype">void</font> CPSDirectionnalForce::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00250 {
00251 <font class="comment">// perform the operation on each target</font>
00252 CVector toAdd;
00253 <font class="keywordflow">for</font> (uint32 k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
00254 {
00255 CVector toAddLocal;
00256 CVector dir;
00257
00258 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.isValid()) <font class="comment">// is direction a global variable ?</font>
00259 {
00260 dir = <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.get(); <font class="comment">// takes direction from global variable instead </font>
00261 }
00262 <font class="keywordflow">else</font>
00263 {
00264 dir = <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n0">_Dir</a>;
00265 }
00266
00267 toAddLocal = ellapsedTime * (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> ) * dir;
00268 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00269 {
00270
00271 toAdd = CPSLocated::getConversionMatrix(*it, this->_Owner).mulVector(toAddLocal); <font class="comment">// express this in the target basis</font>
00272 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2end = (*it)->getSpeed().end();
00273 <font class="comment">// 1st case : non-constant mass</font>
00274 <font class="keywordflow">if</font> ((*it)->getMassScheme())
00275 {
00276 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
00277 <font class="keywordflow">for</font> (; it2 != it2end; ++it2, ++invMassIt)
00278 {
00279 (*it2) += *invMassIt * toAdd;
00280
00281 }
00282 }
00283 <font class="keywordflow">else</font>
00284 {
00285 <font class="comment">// the mass is constant</font>
00286 toAdd /= (*it)->getInitialMass();
00287 <font class="keywordflow">for</font> (; it2 != it2end; ++it2)
00288 {
00289 (*it2) += toAdd;
00290 }
00291 }
00292 }
00293 }
00294 }
00295
00296
<a name="l00297"></a><a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#a1">00297</a> <font class="keywordtype">void</font> CPSDirectionnalForce::show(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00298 {
00299 <a class="code" href="classNL3D_1_1CPSForce.html#l0">CPSLocated</a> *loc;
00300 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00301 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#z720_0">CPSLocatedBindable</a> *lb;
00302 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getOwner()->getCurrentEditedElement(loc, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, lb);
00303
00304 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a21">setupDriverModelMatrix</a>();
00305
00306 CVector dir;
00307 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.isValid()) <font class="comment">// is direction a global variable ?</font>
00308 {
00309 dir = <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.get(); <font class="comment">// takes direction from global variable instead </font>
00310 }
00311 <font class="keywordflow">else</font>
00312 {
00313 dir = <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n0">_Dir</a>;
00314 }
00315
00316 <font class="comment">// for each element, see if it is the selected element, and if yes, display in red</font>
00317 <font class="keywordflow">for</font> (uint k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
00318 {
00319 <font class="keyword">const</font> CRGBA col = (((lb == NULL || <font class="keyword">this</font> == lb) && loc == <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a> && <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> == k) ? CRGBA::Red : CRGBA(127, 127, 127));
00320 CPSUtil::displayArrow(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>(), <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k], dir, 1.f, col, CRGBA(80, 80, 0));
00321 }
00322 }
00323
<a name="l00324"></a><a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#a3">00324</a> <font class="keywordtype">void</font> CPSDirectionnalForce::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00325 {
00326 <font class="comment">// Version 2 : added link to a global vector value</font>
00327 <font class="comment">//</font>
00328 sint ver = f.serialVersion(2);
00329 CPSForceIntensityHelper::serial(f);
00330 <font class="keywordflow">if</font> (ver == 1)
00331 {
00332 f.serial(_Dir);
00333 _GlobalValueHandle.reset();
00334 }
00335 <font class="keywordflow">else</font>
00336 {
00337 <font class="keywordtype">bool</font> useHandle = _GlobalValueHandle.isValid();
00338 f.serial(useHandle);
00339 <font class="keywordflow">if</font> (useHandle)
00340 {
00341 <font class="comment">// a global value is used</font>
00342 <font class="keywordflow">if</font> (f.isReading())
00343 {
00344 std::string handleName;
00345 f.serial(handleName);
00346 <font class="comment">// retrieve a handle to the global value from the particle system</font>
00347 _GlobalValueHandle = CParticleSystem::getGlobalVectorValueHandle(handleName);
00348 }
00349 <font class="keywordflow">else</font>
00350 {
00351 std::string handleName = _GlobalValueHandle.getName();
00352 f.serial(handleName);
00353 }
00354 }
00355 <font class="keywordflow">else</font>
00356 {
00357 f.serial(_Dir);
00358 }
00359 }
00360 }
00361
<a name="l00362"></a><a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#z719_3">00362</a> <font class="keywordtype">void</font> CPSDirectionnalForce::enableGlobalVectorValue(<font class="keyword">const</font> std::string &name)
00363 {
00364 <font class="keywordflow">if</font> (name.empty())
00365 {
00366 <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.reset();
00367 <font class="keywordflow">return</font>;
00368 }
00369 <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a> = CParticleSystem::getGlobalVectorValueHandle(name);
00370 }
00371
<a name="l00372"></a><a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#z719_4">00372</a> std::string CPSDirectionnalForce::getGlobalVectorValueName()<font class="keyword"> const</font>
00373 <font class="keyword"></font>{
00374 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.isValid() ? <a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n1">_GlobalValueHandle</a>.getName() : <font class="stringliteral">""</font>;
00375 }
00376
00378 <font class="comment">// gravity implementation //</font>
00380 <font class="comment"></font>
00381
<a name="l00382"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a0">00382</a> <font class="keywordtype">void</font> CPSGravity::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00383 {
00384
00385 <font class="comment">// perform the operation on each target</font>
00386 CVector toAdd;
00387 <font class="keywordflow">for</font> (uint32 k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
00388 {
00389 CVector toAddLocal = ellapsedTime * CVector(0, 0, <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? - <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : - <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>);
00390 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00391 {
00392 toAdd = CPSLocated::getConversionMatrix(*it, this->_Owner).mulVector(toAddLocal); <font class="comment">// express this in the target basis</font>
00393 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2end = (*it)->getSpeed().end();
00394
00395 <font class="keywordflow">if</font> (toAdd.x && toAdd.y)
00396 {
00397 <font class="keywordflow">for</font> (; it2 != it2end; ++it2)
00398 {
00399 (*it2) += toAdd;
00400
00401 }
00402 }
00403 <font class="keywordflow">else</font> <font class="comment">// only the z component is not null, which should be the majority of cases ...</font>
00404 {
00405 <font class="keywordflow">for</font> (; it2 != it2end; ++it2)
00406 {
00407 it2->z += toAdd.z;
00408
00409 }
00410 }
00411 }
00412 }
00413 }
00414
<a name="l00415"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a1">00415</a> <font class="keywordtype">void</font> CPSGravity::show(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00416 {
00417 CVector I = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a22">computeI</a>();
00418 CVector K = CVector(0,0,1);
00419
00420 <font class="comment">// this is not designed for efficiency (target : edition code)</font>
00421 CPrimitiveBlock pb;
00422 CVertexBuffer vb;
00423 CMaterial material;
00424 IDriver *driver = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>();
00425 <font class="keyword">const</font> <font class="keywordtype">float</font> toolSize = 0.2f;
00426
00427 vb.setVertexFormat(CVertexBuffer::PositionFlag);
00428 vb.setNumVertices(6);
00429 vb.setVertexCoord(0, -toolSize * I);
00430 vb.setVertexCoord(1, toolSize * I);
00431 vb.setVertexCoord(2, CVector(0, 0, 0));
00432 vb.setVertexCoord(3, -6.0f * toolSize * K);
00433 vb.setVertexCoord(4, -toolSize * I - 5.0f * toolSize * K);
00434 vb.setVertexCoord(5, toolSize * I - 5.0f * toolSize * K);
00435
00436 pb.reserveLine(4);
00437 pb.addLine(0, 1);
00438 pb.addLine(2, 3);
00439 pb.addLine(4, 3);
00440 pb.addLine(3, 5);
00441
00442 material.setColor(CRGBA(127, 127, 127));
00443 material.setLighting(<font class="keyword">false</font>);
00444 material.setBlendFunc(CMaterial::one, CMaterial::one);
00445 material.setZWrite(<font class="keyword">false</font>);
00446 material.setBlend(<font class="keyword">true</font>);
00447
00448
00449 CMatrix mat;
00450
00451 <font class="keywordflow">for</font> (TPSAttribVector::const_iterator it = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos().begin(); it != <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos().end(); ++it)
00452 {
00453 mat.identity();
00454 mat.translate(*it);
00455 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->isInSystemBasis())
00456 {
00457 mat = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a15">getSysMat</a>() * mat;
00458 }
00459
00460 driver->setupModelMatrix(mat);
00461 driver->activeVertexBuffer(vb);
00462 driver->render(pb, material);
00463
00464
00465
00466 <font class="comment">// affiche un g a cote de la force</font>
00467
00468 CVector pos = *it + CVector(1.5f * toolSize, 0, -1.2f * toolSize);
00469
00470 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->isInSystemBasis())
00471 {
00472 pos = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a15">getSysMat</a>() * pos;
00473 }
00474
00475 <font class="comment">// must have set this</font>
00476 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>() && <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>());
00477
00478 CPSUtil::print(driver, std::string(<font class="stringliteral">"G"</font>)
00479 , *<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>()
00480 , *<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a13">getFontManager</a>()
00481 , pos
00482 , 80.0f * toolSize );
00483 }
00484
00485
00486 }
00487
<a name="l00488"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a3">00488</a> <font class="keywordtype">void</font> CPSGravity::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00489 {
00490 f.serialVersion(1);
00491 CPSForceIntensityHelper::serial(f);
00492 }
00493
00494
<a name="l00495"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a5">00495</a> <font class="keywordtype">bool</font> CPSGravity::isIntegrable(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00496 <font class="keyword"></font>{
00497 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> == NULL;
00498 }
00499
<a name="l00500"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a6">00500</a> <font class="keywordtype">void</font> CPSGravity::integrate(<font class="keywordtype">float</font> date, CPSLocated *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, uint32 startIndex, uint32 numObjects, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destPos, <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destSpeed,
00501 <font class="keywordtype">bool</font> accumulate,
00502 uint posStride, uint speedStride
00503 )
00504 {
00505 <font class="preprocessor"> #define NEXT_SPEED destSpeed = (NLMISC::CVector *) ((uint8 *) destSpeed + speedStride);</font>
00506 <font class="preprocessor"></font><font class="preprocessor"> #define NEXT_POS destPos = (NLMISC::CVector *) ((uint8 *) destPos + posStride);</font>
00507 <font class="preprocessor"></font>
00508 <font class="keywordtype">float</font> deltaT;
00509
00510 <font class="keywordflow">if</font> (!destPos && !destSpeed) <font class="keywordflow">return</font>;
00511
00512 CPSLocated::TPSAttribParametricInfo::const_iterator it = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo.begin() + startIndex,
00513 endIt = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo.begin() + startIndex + numObjects;
00514 <font class="keywordflow">if</font> (!accumulate) <font class="comment">// compute coords from initial condition, and applying this force</font>
00515 {
00516 <font class="keywordflow">if</font> (destPos && !destSpeed) <font class="comment">// fills dest pos only</font>
00517 {
00518 <font class="keywordflow">while</font> (it != endIt)
00519 {
00520 deltaT = date - it->Date;
00521 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Pos.x + deltaT * it->Speed.x;
00522 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Pos.y + deltaT * it->Speed.y;
00523 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Pos.z + deltaT * it->Speed.z - 0.5f * deltaT * deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00524 ++it;
00525 NEXT_POS;
00526 }
00527 }
00528 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!destPos && destSpeed) <font class="comment">// fills dest speed only</font>
00529 {
00530 <font class="keywordflow">while</font> (it != endIt)
00531 {
00532 deltaT = date - it->Date;
00533 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Speed.x;
00534 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Speed.y;
00535 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Speed.z - deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00536 ++it;
00537 NEXT_SPEED;
00538 }
00539 }
00540 <font class="keywordflow">else</font> <font class="comment">// fills both speed and pos</font>
00541 {
00542 <font class="keywordflow">while</font> (it != endIt)
00543 {
00544 deltaT = date - it->Date;
00545 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Pos.x + deltaT * it->Speed.x;
00546 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Pos.y + deltaT * it->Speed.y;
00547 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Pos.z + deltaT * it->Speed.z - 0.5f * deltaT * deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00548
00549 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Speed.x;
00550 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Speed.y;
00551 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Speed.z - deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00552
00553 ++it;
00554 NEXT_POS;
00555 NEXT_SPEED;
00556 }
00557 }
00558 }
00559 <font class="keywordflow">else</font> <font class="comment">// accumulate datas</font>
00560 {
00561 <font class="keywordflow">if</font> (destPos && !destSpeed) <font class="comment">// fills dest pos only</font>
00562 {
00563 <font class="keywordflow">while</font> (it != endIt)
00564 {
00565 deltaT = date - it->Date;
00566 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> -= 0.5f * deltaT * deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00567 ++it;
00568 NEXT_POS;
00569 }
00570 }
00571 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!destPos && destSpeed) <font class="comment">// fills dest speed only</font>
00572 {
00573 <font class="keywordflow">while</font> (it != endIt)
00574 {
00575 deltaT = date - it->Date;
00576 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> -= deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00577 ++it;
00578 NEXT_SPEED;
00579 }
00580 }
00581 <font class="keywordflow">else</font> <font class="comment">// fills both speed and pos</font>
00582 {
00583 <font class="keywordflow">while</font> (it != endIt)
00584 {
00585 deltaT = date - it->Date;
00586 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> -= 0.5f * deltaT * deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00587 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> -= deltaT * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
00588 ++it;
00589 NEXT_POS;
00590 NEXT_SPEED;
00591 }
00592 }
00593 }
00594
00595 }
00596
00597
00598
<a name="l00599"></a><a class="code" href="classNL3D_1_1CPSGravity.html#a7">00599</a> <font class="keywordtype">void</font> CPSGravity::integrateSingle(<font class="keywordtype">float</font> startDate, <font class="keywordtype">float</font> deltaT, uint numStep,
00600 CPSLocated *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, uint32 indexInLocated,
00601 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destPos,
00602 <font class="keywordtype">bool</font> accumulate <font class="comment">/*= false*/</font>,
00603 uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a><font class="comment">/* = sizeof(NLMISC::CVector)*/</font>)
00604 {
00605 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->isParametricMotionEnabled());
00606 <a class="code" href="debug_8h.html#a6">nlassert</a>(deltaT > 0);
00607 <a class="code" href="debug_8h.html#a6">nlassert</a>(numStep > 0);
00608 <font class="preprocessor"> #ifdef NL_DEBUG</font>
00609 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *endPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> * numStep);
00610 <font class="preprocessor"> #endif</font>
00611 <font class="preprocessor"></font> <font class="keyword">const</font> CPSLocated::CParametricInfo &pi = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo[indexInLocated];
00612 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &startPos = pi.Pos;
00613 <font class="keywordflow">if</font> (numStep != 0)
00614 {
00615 <font class="keywordflow">if</font> (!accumulate)
00616 {
00617 destPos = <a class="code" href="namespaceNL3D.html#a436">FillBufUsingSubdiv</a>(startPos, pi.Date, startDate, deltaT, numStep, destPos, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00618 <font class="keywordflow">if</font> (numStep != 0)
00619 {
00620 <font class="keywordtype">float</font> currDate = startDate - pi.Date;
00621 <a class="code" href="debug_8h.html#a6">nlassert</a>(currDate >= 0);
00622 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &startSpeed = pi.Speed;
00623 <font class="keywordflow">do</font>
00624 {
00625 <font class="preprocessor"> #ifdef NL_DEBUG</font>
00626 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(destPos < endPos);
00627 <font class="preprocessor"> #endif</font>
00628 <font class="preprocessor"></font> <font class="keywordtype">float</font> halfTimeSquare = 0.5f * currDate * currDate;
00629 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>;
00630 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00631 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> - <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * halfTimeSquare;
00632 currDate += deltaT;
00633 destPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00634 }
00635 <font class="keywordflow">while</font> (--numStep);
00636 }
00637 }
00638 <font class="keywordflow">else</font>
00639 {
00640 uint numToSkip = <a class="code" href="namespaceNL3D.html#a435">ScaleFloatGE</a>(startDate, deltaT, pi.Date, numStep);
00641 <font class="keywordflow">if</font> (numToSkip < numStep)
00642 {
00643 numStep -= numToSkip;
00644 <font class="keywordtype">float</font> currDate = startDate + deltaT * numToSkip - pi.Date;
00645 <font class="keywordflow">do</font>
00646 {
00647 <font class="preprocessor"> #ifdef NL_DEBUG</font>
00648 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(destPos < endPos);
00649 <font class="preprocessor"> #endif</font>
00650 <font class="preprocessor"></font> <font class="keywordtype">float</font> halfTimeSquare = 0.5f * currDate * currDate;
00651 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> -= <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * halfTimeSquare;
00652 currDate += deltaT;
00653 destPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00654 }
00655 <font class="keywordflow">while</font> (--numStep);
00656 }
00657 }
00658 }
00659 }
00660
00661
<a name="l00662"></a><a class="code" href="classNL3D_1_1CPSGravity.html#b0">00662</a> <font class="keywordtype">void</font> CPSGravity::setIntensity(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)
00663 {
00664 <font class="keywordflow">if</font> (_IntensityScheme)
00665 {
00666 CPSForceIntensityHelper::setIntensity(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
00667 <a class="code" href="classNL3D_1_1CPSForce.html#b2">renewIntegrable</a>(); <font class="comment">// integrable again</font>
00668 }
00669 <font class="keywordflow">else</font>
00670 {
00671 CPSForceIntensityHelper::setIntensity(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
00672 }
00673 }
00674
<a name="l00675"></a><a class="code" href="classNL3D_1_1CPSGravity.html#b1">00675</a> <font class="keywordtype">void</font> CPSGravity::setIntensityScheme(CPSAttribMaker<float> *scheme)
00676 {
00677 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>)
00678 {
00679 <a class="code" href="classNL3D_1_1CPSForce.html#b1">cancelIntegrable</a>(); <font class="comment">// not integrable anymore</font>
00680 }
00681 CPSForceIntensityHelper::setIntensityScheme(scheme);
00682 }
00683
00684
00686 <font class="comment">// CPSCentralGravity implementation //</font>
00688 <font class="comment"></font>
00689
<a name="l00690"></a><a class="code" href="classNL3D_1_1CPSCentralGravity.html#a0">00690</a> <font class="keywordtype">void</font> CPSCentralGravity::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00691 {
00692 <font class="comment">// for each central gravity, and each target, we check if they are in the same basis</font>
00693 <font class="comment">// if not, we need to transform the central gravity attachment pos into the target basis</font>
00694
00695
00696 uint32 size = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize();
00697
00698 <font class="comment">// a vector that goes from the gravity to the object</font>
00699 CVector centerToObj;
00700 <font class="keywordtype">float</font> dist;
00701
00702 <font class="keywordflow">for</font> (uint32 k = 0; k < size; ++k)
00703 {
00704 <font class="keyword">const</font> <font class="keywordtype">float</font> ellapsedTimexK = ellapsedTime * (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>);
00705
00706 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00707 {
00708 <font class="keyword">const</font> CMatrix &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00709 <font class="keyword">const</font> CVector center = m * (<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k]);
00710
00711 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2End = (*it)->getSpeed().end();
00712 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
00713 TPSAttribVector::const_iterator posIt = (*it)->getPos().begin();
00714
00715 <font class="keywordflow">for</font> (; it2 != it2End; ++it2, ++invMassIt, ++posIt)
00716 {
00717 <font class="comment">// our equation does 1 / r attenuation, which is not realistic, but fast ...</font>
00718 centerToObj = center - *posIt;
00719
00720 dist = centerToObj * centerToObj;
00721 <font class="keywordflow">if</font> (dist > 10E-6f)
00722 {
00723 (*it2) += (*invMassIt) * ellapsedTimexK * (1.f / dist) * centerToObj;
00724 }
00725 }
00726 }
00727 }
00728
00729 }
00730
<a name="l00731"></a><a class="code" href="classNL3D_1_1CPSCentralGravity.html#a1">00731</a> <font class="keywordtype">void</font> CPSCentralGravity::show(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00732 {
00733 CVector I = CVector::I;
00734 CVector J = CVector::J;
00735
00736 <font class="keyword">const</font> CVector tab[] = { -I - J, I - J
00737 ,-I + J, I + J
00738 , I - J, I + J
00739 , -I - J, -I + J
00740 , I + J, -I - J
00741 , I - J, J - I
00742 };
00743 <font class="keyword">const</font> uint tabSize = <font class="keyword">sizeof</font>(tab) / (2 * <font class="keyword">sizeof</font>(CVector));
00744
00745 <font class="keyword">const</font> <font class="keywordtype">float</font> sSize = 0.08f;
00746 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#b4">displayIcon2d</a>(tab, tabSize, sSize);
00747 }
00748
<a name="l00749"></a><a class="code" href="classNL3D_1_1CPSCentralGravity.html#a3">00749</a> <font class="keywordtype">void</font> CPSCentralGravity::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00750 {
00751 f.serialVersion(1);
00752 CPSForceIntensityHelper::serial(f);
00753 }
00754
00755
00757 <font class="comment">// CPSSpring implementation //</font>
00759 <font class="comment"></font>
00760
00761
<a name="l00762"></a><a class="code" href="classNL3D_1_1CPSSpring.html#a2">00762</a> <font class="keywordtype">void</font> CPSSpring::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00763 {
00764 <font class="comment">// for each spring, and each target, we check if they are in the same basis</font>
00765 <font class="comment">// if not, we need to transform the spring attachment pos into the target basis</font>
00766
00767
00768 uint32 size = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize();
00769
00770
00771 <font class="keywordflow">for</font> (uint32 k = 0; k < size; ++k)
00772 {
00773 <font class="keyword">const</font> <font class="keywordtype">float</font> ellapsedTimexK = ellapsedTime * (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>);
00774
00775 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00776 {
00777 <font class="keyword">const</font> CMatrix &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00778 <font class="keyword">const</font> CVector center = m * (<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k]);
00779
00780 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2End = (*it)->getSpeed().end();
00781 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
00782 TPSAttribVector::const_iterator posIt = (*it)->getPos().begin();
00783
00784 <font class="keywordflow">for</font> (; it2 != it2End; ++it2, ++invMassIt, ++posIt)
00785 {
00786 <font class="comment">// apply the spring equation</font>
00787 (*it2) += (*invMassIt) * ellapsedTimexK * (center - *posIt);
00788 }
00789 }
00790 }
00791 }
00792
00793
<a name="l00794"></a><a class="code" href="classNL3D_1_1CPSSpring.html#a1">00794</a> <font class="keywordtype">void</font> CPSSpring::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00795 {
00796 f.serialVersion(1);
00797 CPSForceIntensityHelper::serial(f);
00798 }
00799
00800
00801
<a name="l00802"></a><a class="code" href="classNL3D_1_1CPSSpring.html#a3">00802</a> <font class="keywordtype">void</font> CPSSpring::show(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00803 {
00804 CVector I = CVector::I;
00805 CVector J = CVector::J;
00806 <font class="keyword">static</font> <font class="keyword">const</font> CVector tab[] =
00807 {
00808 -I + 2 * J,
00809 I + 2 * J,
00810 I + 2 * J, -I + J,
00811 -I + J, I + J,
00812 I + J, -I,
00813 -I, I,
00814 I, -I - J,
00815 -I - J, I - J,
00816 I - J,
00817 - I - 2 * J,
00818 - I - 2 * J,
00819 I - 2 * J
00820 };
00821 <font class="keyword">const</font> uint tabSize = <font class="keyword">sizeof</font>(tab) / (2 * <font class="keyword">sizeof</font>(CVector));
00822 <font class="keyword">const</font> <font class="keywordtype">float</font> sSize = 0.08f;
00823 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#b4">displayIcon2d</a>(tab, tabSize, sSize);
00824 }
00825
00826
00828 <font class="comment">// CPSCylindricVortex implementation //</font>
00830 <font class="comment"></font>
<a name="l00831"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#a0">00831</a> <font class="keywordtype">void</font> CPSCylindricVortex::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00832 {
00833 uint32 size = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize();
00834
00835 <font class="keywordflow">for</font> (uint32 k = 0; k < size; ++k) <font class="comment">// for each vortex</font>
00836 {
00837
00838 <font class="keyword">const</font> <font class="keywordtype">float</font> invR = 1.f / <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>[k];
00839 <font class="keyword">const</font> <font class="keywordtype">float</font> radius2 = <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>[k] * <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>[k];
00840
00841 <font class="comment">// intensity for this vortex</font>
00842 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00843 <font class="keywordtype">float</font> intensity = (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>);
00844
00845 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00846 {
00847 <font class="comment">// express the vortex position and plane normal in the located basis</font>
00848 <font class="keyword">const</font> CMatrix &m = CPSLocated::getConversionMatrix(*it, this->_Owner);
00849 <font class="keyword">const</font> CVector center = m * (<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k]);
00850 <font class="keyword">const</font> CVector n = m.mulVector(<a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>[k]);
00851
00852 TPSAttribVector::iterator speedIt = (*it)->getSpeed().begin(), speedItEnd = (*it)->getSpeed().end();
00853 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
00854 TPSAttribVector::const_iterator posIt = (*it)->getPos().begin();
00855
00856
00857 <font class="comment">// projection of the current located pos on the vortex axis</font>
00858 CVector p;
00859 <font class="comment">// a vector that go from the vortex center to the point we're dealing with</font>
00860 CVector v2p;
00861
00862 <font class="comment">// the square of the dist of the projected pos</font>
00863 <font class="keywordtype">float</font> d2 , d;
00864
00865 CVector realTangentialSpeed;
00866 CVector tangentialSpeed;
00867
00868
00869 CVector radialSpeed;
00870
00871
00872 <font class="keywordflow">for</font> (; speedIt != speedItEnd; ++speedIt, ++invMassIt, ++posIt)
00873 {
00874 v2p = *posIt - center;
00875 p = v2p - (v2p * n) * n;
00876
00877 d2 = p * p;
00878
00879
00880
00881 <font class="keywordflow">if</font> (d2 < radius2) <font class="comment">// not out of range ?</font>
00882 {
00883 <font class="keywordflow">if</font> (d2 > 10E-6)
00884 {
00885 d = sqrtf(d2);
00886
00887 p *= 1.f / d;
00888 <font class="comment">// compute the speed vect that we should have (normalized) </font>
00889 realTangentialSpeed = n ^ p;
00890
00891 tangentialSpeed = (*speedIt * realTangentialSpeed) * realTangentialSpeed;
00892 radialSpeed = (p * *speedIt) * p;
00893
00894 <font class="comment">// update radial speed;</font>
00895 *speedIt -= <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n2">_RadialViscosity</a> * ellapsedTime * radialSpeed;
00896
00897 <font class="comment">// update tangential speed </font>
00898 *speedIt -= <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n3">_TangentialViscosity</a> * intensity * ellapsedTime * (tangentialSpeed - (1.f - d * invR) * realTangentialSpeed);
00899 }
00900 }
00901 }
00902 }
00903 }
00904 }
00905
00906
<a name="l00907"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#a1">00907</a> <font class="keywordtype">void</font> CPSCylindricVortex::show(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00908 {
00909
00910 <a class="code" href="classNL3D_1_1CPSForce.html#l0">CPSLocated</a> *loc;
00911 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00912 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#z720_0">CPSLocatedBindable</a> *lb;
00913 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getOwner()->getCurrentEditedElement(loc, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, lb);
00914
00915
00916 <font class="comment">// must have set this</font>
00917 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>() && <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>());
00918 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a21">setupDriverModelMatrix</a>();
00919
00920 <font class="keywordflow">for</font> (uint k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
00921 {
00922 <font class="keyword">const</font> CRGBA col = ((lb == NULL || <font class="keyword">this</font> == lb) && loc == <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a> && <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> == k ? CRGBA::Red : CRGBA(127, 127, 127));
00923 CMatrix m;
00924 CPSUtil::buildSchmidtBasis(<a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>[k], m);
00925 CPSUtil::displayDisc(*<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>(), <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>[k], <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k], m, 32, col);
00926 CPSUtil::displayArrow(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>(), <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k], <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>[k], 1.f, col, CRGBA(200, 0, 200));
00927 <font class="comment">// display a V letter at the center</font>
00928 CPSUtil::print(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>(), std::string(<font class="stringliteral">"v"</font>), *<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a11">getFontGenerator</a>(), *<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a13">getFontManager</a>(), <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[k], 80.f);
00929 }
00930
00931 }
00932
<a name="l00933"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#a10">00933</a> <font class="keywordtype">void</font> CPSCylindricVortex::setMatrix(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, <font class="keyword">const</font> CMatrix &m)
00934 {
00935 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> < <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>.getSize());
00936 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>] = m.getK();
00937 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>] = m.getPos();
00938 }
00939
<a name="l00940"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#a11">00940</a> CMatrix CPSCylindricVortex::getMatrix(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)<font class="keyword"> const</font>
00941 <font class="keyword"></font>{
00942 CMatrix m;
00943 CPSUtil::buildSchmidtBasis(<a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>], m);
00944 m.setPos(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getPos()[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>] );
00945 <font class="keywordflow">return</font> m;
00946 }
00947
00948
<a name="l00949"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#a17">00949</a> <font class="keywordtype">void</font> CPSCylindricVortex::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00950 {
00951 f.serialVersion(1);
00952 CPSForceIntensityHelper::serial(f);
00953 f.serial(_Normal);
00954 f.serial(_Radius);
00955 f.serial(_RadialViscosity);
00956 f.serial(_TangentialViscosity);
00957 }
00958
<a name="l00959"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#b1">00959</a> <font class="keywordtype">void</font> CPSCylindricVortex::newElement(CPSLocated *emitterLocated, uint32 emitterIndex)
00960 {
00961 CPSForceIntensityHelper::newElement(emitterLocated, emitterIndex);
00962 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>.insert(CVector::K);
00963 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>.insert(1.f);
00964 }
<a name="l00965"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#b2">00965</a> <font class="keywordtype">void</font> CPSCylindricVortex::deleteElement(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
00966 {
00967 CPSForceIntensityHelper::deleteElement(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00968 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>.remove(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00969 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>.remove(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00970 }
<a name="l00971"></a><a class="code" href="classNL3D_1_1CPSCylindricVortex.html#b3">00971</a> <font class="keywordtype">void</font> CPSCylindricVortex::resize(uint32 size)
00972 {
00973 <a class="code" href="debug_8h.html#a6">nlassert</a>(size < (1 << 16));
00974 CPSForceIntensityHelper::resize(size);
00975 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n0">_Normal</a>.resize(size);
00976 <a class="code" href="classNL3D_1_1CPSCylindricVortex.html#n1">_Radius</a>.resize(size);
00977 }
00978
00979
<a name="l00984"></a><a class="code" href="classNL3D_1_1CPSMagneticForce.html#a2">00984</a> <font class="keywordtype">void</font> CPSMagneticForce::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00985 {
00986 f.serialVersion(1);
00987 CPSDirectionnalForce::serial(f);
00988 }
00989
<a name="l00990"></a><a class="code" href="classNL3D_1_1CPSMagneticForce.html#a1">00990</a> <font class="keywordtype">void</font> CPSMagneticForce::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
00991 {
00992 <font class="comment">// perform the operation on each target</font>
00993 <font class="keywordflow">for</font> (uint32 k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
00994 {
00995 <font class="keywordtype">float</font> intensity = ellapsedTime * (<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>);
00996 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
00997 {
00998
00999 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> toAdd = CPSLocated::getConversionMatrix(*it, this->_Owner).mulVector(<a class="code" href="classNL3D_1_1CPSDirectionnalForce.html#n0">_Dir</a>); <font class="comment">// express this in the target basis </font>
01000
01001 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2end = (*it)->getSpeed().end();
01002
01003 <font class="comment">// 1st case : non-constant mass</font>
01004 <font class="keywordflow">if</font> ((*it)->getMassScheme())
01005 {
01006 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
01007 <font class="keywordflow">for</font> (; it2 != it2end; ++it2, ++invMassIt)
01008 {
01009 (*it2) += intensity * *invMassIt * (*it2 ^ toAdd);
01010
01011 }
01012 }
01013 <font class="keywordflow">else</font>
01014 {
01015 <font class="keywordtype">float</font> i = intensity / (*it)->getInitialMass();
01016 <font class="keywordflow">for</font> (; it2 != it2end; ++it2)
01017 {
01018 (*it2) += i * (*it2 ^ toAdd);
01019 }
01020 }
01021 }
01022 }
01023 }
01024
01025
01030 <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> = 8192; <font class="comment">// should be a power of 2</font>
01031 <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a> = 256;
01035 <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a> = 1024;
01036
<a name="l01037"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">01037</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> CPSBrownianForce::PrecomputedPos[<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a>]; <font class="comment">// after the sequence we must be back to the start position</font>
<a name="l01038"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">01038</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> CPSBrownianForce::PrecomputedSpeed[<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a>];
<a name="l01039"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#q2">01039</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> CPSBrownianForce::PrecomputedImpulsions[<a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a>];
01040
<a name="l01042"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a0">01042</a> CPSBrownianForce::CPSBrownianForce(<font class="keywordtype">float</font> intensity <font class="comment">/* = 1.f*/</font>) : _ParametricFactor(1.f)
01043 {
01044 <a class="code" href="classNL3D_1_1CPSBrownianForce.html#a5">setIntensity</a>(intensity);
01045 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n3">_Name</a> = std::string(<font class="stringliteral">"BrownianForce"</font>);
01046
01047 }
01048
<a name="l01050"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a2">01050</a> <font class="keywordtype">bool</font> CPSBrownianForce::isIntegrable(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
01051 <font class="keyword"></font>{
01052 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> == NULL;
01053 }
01054
01055
<a name="l01057"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a3">01057</a> <font class="keywordtype">void</font> CPSBrownianForce::integrate(<font class="keywordtype">float</font> date, CPSLocated *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>,
01058 uint32 startIndex,
01059 uint32 numObjects,
01060 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destPos,
01061 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destSpeed,
01062 <font class="keywordtype">bool</font> accumulate,
01063 uint posStride, uint speedStride
01064 )
01065 {
01067 <font class="keywordtype">float</font> deltaT;
01068 <font class="keywordflow">if</font> (!destPos && !destSpeed) <font class="keywordflow">return</font>;
01069 CPSLocated::TPSAttribParametricInfo::const_iterator it = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo.begin() + startIndex,
01070 endIt = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo.begin() + startIndex + numObjects;
01071 <font class="keywordtype">float</font> lookUpFactor = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#n0">_ParametricFactor</a> * <a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a>;
01072 <font class="keywordtype">float</font> speedFactor = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#n0">_ParametricFactor</a> * <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
01073 <font class="keywordflow">if</font> (!accumulate) <font class="comment">// compute coords from initial condition, and applying this force</font>
01074 {
01075 <font class="keywordflow">if</font> (destPos && !destSpeed) <font class="comment">// fills dest pos only</font>
01076 {
01077 <font class="keywordflow">while</font> (it != endIt)
01078 {
01079 <font class="keywordtype">float</font> deltaT = date - it->Date;
01080 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01081 destPos-><a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(it->Pos.x + deltaT * it->Speed.x + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x,
01082 it->Pos.y + deltaT * it->Speed.y + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y,
01083 it->Pos.z + deltaT * it->Speed.z + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z );
01084 ++it;
01085 NEXT_POS;
01086 }
01087 }
01088 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!destPos && destSpeed) <font class="comment">// fills dest speed only</font>
01089 {
01090 <font class="keywordflow">while</font> (it != endIt)
01091 {
01092 deltaT = date - it->Date;
01093 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01094 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Speed.x + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x;
01095 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Speed.y + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y;
01096 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Speed.z + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z;
01097 ++it;
01098 NEXT_SPEED;
01099 }
01100 }
01101 <font class="keywordflow">else</font> <font class="comment">// fills both speed and pos</font>
01102 {
01103 <font class="keywordflow">while</font> (it != endIt)
01104 {
01105 deltaT = date - it->Date;
01106 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01107 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Pos.x + deltaT * it->Speed.x + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x;
01108 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Pos.y + deltaT * it->Speed.y + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y;
01109 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Pos.z + deltaT * it->Speed.z + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z;
01110
01111 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = it->Speed.x + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x;
01112 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = it->Speed.y + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y;
01113 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = it->Speed.z + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z;
01114
01115 ++it;
01116 NEXT_POS;
01117 NEXT_SPEED;
01118 }
01119 }
01120 }
01121 <font class="keywordflow">else</font> <font class="comment">// accumulate datas</font>
01122 {
01123 <font class="keywordflow">if</font> (destPos && !destSpeed) <font class="comment">// fills dest pos only</font>
01124 {
01125 <font class="keywordflow">while</font> (it != endIt)
01126 {
01127 deltaT = date - it->Date;
01128 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01129 destPos-><a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x,
01130 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y,
01131 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z);
01132 ++it;
01133 NEXT_POS;
01134 }
01135 }
01136 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (!destPos && destSpeed) <font class="comment">// fills dest speed only</font>
01137 {
01138 <font class="keywordflow">while</font> (it != endIt)
01139 {
01140 deltaT = date - it->Date;
01141 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01142 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x,
01143 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y,
01144 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z);
01145 ++it;
01146 NEXT_SPEED;
01147 }
01148 }
01149 <font class="keywordflow">else</font> <font class="comment">// fills both speed and pos</font>
01150 {
01151 <font class="keywordflow">while</font> (it != endIt)
01152 {
01153 deltaT = date - it->Date;
01154 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * deltaT) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01155 destPos-><a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x,
01156 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y,
01157 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z);
01158 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x,
01159 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y,
01160 destSpeed-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + speedFactor * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z);
01161 ++it;
01162 NEXT_POS;
01163 NEXT_SPEED;
01164 }
01165 }
01166 }
01167 }
01168
01169
<a name="l01171"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a4">01171</a> <font class="keywordtype">void</font> CPSBrownianForce::integrateSingle(<font class="keywordtype">float</font> startDate, <font class="keywordtype">float</font> deltaT, uint numStep,
01172 CPSLocated *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, uint32 indexInLocated,
01173 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *destPos,
01174 <font class="keywordtype">bool</font> accumulate,
01175 uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
01176 {
01177 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->isParametricMotionEnabled());
01178 <a class="code" href="debug_8h.html#a6">nlassert</a>(deltaT > 0);
01179 <a class="code" href="debug_8h.html#a6">nlassert</a>(numStep > 0);
01180 <font class="preprocessor"> #ifdef NL_DEBUG</font>
01181 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *endPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> * numStep);
01182 <font class="preprocessor"> #endif</font>
01183 <font class="preprocessor"></font> <font class="keyword">const</font> CPSLocated::CParametricInfo &pi = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>->_PInfo[indexInLocated];
01184 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &startPos = pi.Pos;
01185 <font class="keywordflow">if</font> (numStep != 0)
01186 {
01187 <font class="keywordtype">float</font> lookUpFactor = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#n0">_ParametricFactor</a> * <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a>;
01188 <font class="keywordflow">if</font> (!accumulate)
01189 {
01191 destPos = <a class="code" href="namespaceNL3D.html#a436">FillBufUsingSubdiv</a>(startPos, pi.Date, startDate, deltaT, numStep, destPos, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
01192 <font class="keywordflow">if</font> (numStep != 0)
01193 {
01194 <font class="keywordtype">float</font> currDate = startDate - pi.Date;
01195 <a class="code" href="debug_8h.html#a6">nlassert</a>(currDate >= 0);
01196 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &startSpeed = pi.Speed;
01197 <font class="keywordflow">do</font>
01198 {
01199 <font class="preprocessor"> #ifdef NL_DEBUG</font>
01200 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(destPos < endPos);
01201 <font class="preprocessor"> #endif</font>
01202 <font class="preprocessor"></font> uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * currDate) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01203 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x;
01204 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y;
01205 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = startPos.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + currDate * startSpeed.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z;
01206 currDate += deltaT;
01207 destPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
01208 }
01209 <font class="keywordflow">while</font> (--numStep);
01210 }
01211 }
01212 <font class="keywordflow">else</font>
01213 {
01214 uint numToSkip = <a class="code" href="namespaceNL3D.html#a435">ScaleFloatGE</a>(startDate, deltaT, pi.Date, numStep);
01215 <font class="keywordflow">if</font> (numToSkip < numStep)
01216 {
01217 numStep -= numToSkip;
01218 <font class="keywordtype">float</font> currDate = startDate + deltaT * numToSkip - pi.Date;
01219 <font class="keywordflow">do</font>
01220 {
01221 <font class="preprocessor"> #ifdef NL_DEBUG</font>
01222 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(destPos < endPos);
01223 <font class="preprocessor"> #endif</font>
01224 <font class="preprocessor"></font> uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = (uint) (lookUpFactor * currDate) & (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1);
01225 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> += <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].x;
01226 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> += <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].y;
01227 destPos-><a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> += <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a> * <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].z;
01228 currDate += deltaT;
01229 destPos = (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) ( (uint8 *) destPos + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
01230 }
01231 <font class="keywordflow">while</font> (--numStep);
01232 }
01233 }
01234 }
01235 }
01236
01237
<a name="l01239"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#d0">01239</a> <font class="keywordtype">void</font> CPSBrownianForce::initPrecalc()
01240 {
01242 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> % <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a> == 0);
01243
01244 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> p0(0, 0, 0), p1;
01245 <font class="keyword">const</font> uint numStep = <a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> / <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a>;
01246 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *dest = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q0">PrecomputedPos</a>;
01247 uint k, <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>;
01248 <font class="keywordflow">for</font> (k = 0; k < numStep; ++k)
01249 {
01250 <font class="keywordflow">if</font> (k != numStep - 1)
01251 {
01252 p1.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(2.f * (NLMISC::frand(1.f) - 0.5f),
01253 2.f * (NLMISC::frand(1.f) - 0.5f),
01254 2.f * (NLMISC::frand(1.f) - 0.5f));
01255 }
01256 <font class="keywordflow">else</font>
01257 {
01258 p1.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(0, 0, 0);
01259 }
01260 <font class="keywordtype">float</font> lambda = 0.f;
01261 <font class="keywordtype">float</font> lambdaStep = 1.f / <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a>;
01262 <font class="keywordflow">for</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 0; <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> < <a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a>; ++<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>)
01263 {
01264 *dest++ = lambda * p1 + (1.f - lambda) * p0;
01265 lambda += lambdaStep;
01266 }
01267 p0 = p1;
01268 }
01269
01270 <font class="comment">// now, filter the table several time to get something more smooth</font>
01271 <font class="keywordflow">for</font> (k = 0; k < (<a class="code" href="namespaceNL3D.html#a193">BFPredefinedNumInterp</a> << 2) ; ++k)
01272 {
01273 <font class="keywordflow">for</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 1; <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> < (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1); ++<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>)
01274 {
01275 PrecomputedPos[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>] = 0.5f * (PrecomputedPos[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> - 1] + PrecomputedPos[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> + 1]);
01276 }
01277 }
01278
01279
01280 <font class="comment">// compute the table of speeds, by using on a step of 1.s</font>
01281 <font class="keywordflow">for</font> (<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> = 1; <a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> < (<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1); ++<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>)
01282 {
01283 <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a>] = 0.5f * (PrecomputedPos[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> + 1] - PrecomputedPos[<a class="code" href="namespaceNLAISCRIPT.html#a20">l</a> - 1]);
01284 }
01285 <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q1">PrecomputedSpeed</a>[<a class="code" href="namespaceNL3D.html#a192">BFNumPredefinedPos</a> - 1] = <a class="code" href="classNLMISC_1_1CVector.html#p0">NLMISC::CVector::Null</a>;
01286
01287 <font class="comment">// compute the table of impulsion</font>
01288 <font class="keywordflow">for</font> (k = 0; k < <a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a>; ++k)
01289 {
01290 <font class="keyword">static</font> <font class="keywordtype">double</font> divRand = (2.f / RAND_MAX);
01291 <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q2">PrecomputedImpulsions</a>[k].<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>( (<font class="keywordtype">float</font>) (rand() * divRand - 1),
01292 (<font class="keywordtype">float</font>) (rand() * divRand - 1),
01293 (<font class="keywordtype">float</font>) (rand() * divRand - 1)
01294 );
01295 }
01296 }
01297
<a name="l01299"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a5">01299</a> <font class="keywordtype">void</font> CPSBrownianForce::setIntensity(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)
01300 {
01301 <font class="keywordflow">if</font> (_IntensityScheme)
01302 {
01303 CPSForceIntensity::setIntensity(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
01304 <a class="code" href="classNL3D_1_1CPSForce.html#b2">renewIntegrable</a>(); <font class="comment">// integrable again</font>
01305 }
01306 <font class="keywordflow">else</font>
01307 {
01308 CPSForceIntensity::setIntensity(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
01309 }
01310 }
01311
01312
<a name="l01314"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a6">01314</a> <font class="keywordtype">void</font> CPSBrownianForce::setIntensityScheme(CPSAttribMaker<float> *scheme)
01315 {
01316 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>)
01317 {
01318 <a class="code" href="classNL3D_1_1CPSForce.html#b1">cancelIntegrable</a>(); <font class="comment">// not integrable anymore</font>
01319 }
01320 CPSForceIntensity::setIntensityScheme(scheme);
01321 }
01322
<a name="l01324"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a7">01324</a> <font class="keywordtype">void</font> CPSBrownianForce::performDynamic(<a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime)
01325 {
01326 <font class="comment">// perform the operation on each target </font>
01327 <font class="keywordflow">for</font> (uint32 k = 0; k < <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->getSize(); ++k)
01328 {
01329 <font class="keywordtype">float</font> intensity = <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a> ? <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n1">_IntensityScheme</a>->get(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>, k) : <a class="code" href="classNL3D_1_1CPSForceIntensity.html#n0">_K</a>;
01330 <font class="keywordflow">for</font> (TTargetCont::iterator it = <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.begin(); it != <a class="code" href="classNL3D_1_1CPSTargetLocatedBindable.html#n0">_Targets</a>.end(); ++it)
01331 {
01332 uint32 size = (*it)->getSize();
01333
01334 <font class="keywordflow">if</font> (!size) <font class="keywordflow">continue</font>;
01335
01336 TPSAttribVector::iterator it2 = (*it)->getSpeed().begin(), it2End;
01338 uint startPos = (uint) ::rand() % <a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a>;
01339 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *imp = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q2">PrecomputedImpulsions</a> + startPos;
01340
01341 <font class="keywordflow">if</font> ((*it)->getMassScheme())
01342 {
01343 <font class="keywordtype">float</font> intensityXtime = intensity * ellapsedTime;
01344 TPSAttribFloat::const_iterator invMassIt = (*it)->getInvMass().begin();
01345 <font class="keywordflow">do</font>
01346 {
01347 uint toProcess = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>((uint) (<a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a> - startPos), (uint) size);
01348 it2End = it2 + toProcess;
01349 <font class="keywordflow">do</font>
01350 {
01351 <font class="keywordtype">float</font> factor = intensityXtime * *invMassIt;
01352 it2->set(it2->x + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>,
01353 it2->y + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>,
01354 it2->z + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>);
01355 ++invMassIt;
01356 ++imp;
01357 ++it2;
01358 }
01359 <font class="keywordflow">while</font> (it2 != it2End);
01360 startPos = 0;
01361 imp = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q2">PrecomputedImpulsions</a>;
01362 size -= toProcess;
01363 }
01364 <font class="keywordflow">while</font> (size != 0);
01365 }
01366 <font class="keywordflow">else</font>
01367 {
01368 <font class="keywordflow">do</font>
01369 {
01370 uint toProcess = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>((uint) (<a class="code" href="namespaceNL3D.html#a194">BFNumPrecomputedImpulsions</a> - startPos) , (uint) size);
01371 it2End = it2 + toProcess;
01372 <font class="keywordtype">float</font> factor = intensity * ellapsedTime / (*it)->getInitialMass();
01373 <font class="keywordflow">do</font>
01374 {
01375 it2->set(it2->x + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>,
01376 it2->y + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>,
01377 it2->z + factor * imp-><a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>);
01378 ++imp;
01379 ++it2;
01380 }
01381 <font class="keywordflow">while</font> (it2 != it2End);
01382 startPos = 0;
01383 imp = <a class="code" href="classNL3D_1_1CPSBrownianForce.html#q2">PrecomputedImpulsions</a>;
01384 size -= toProcess;
01385 }
01386 <font class="keywordflow">while</font> (size != 0);
01387 }
01388 }
01389 }
01390 }
01391
<a name="l01393"></a><a class="code" href="classNL3D_1_1CPSBrownianForce.html#a1">01393</a> <font class="keywordtype">void</font> CPSBrownianForce::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream)
01394 {
01395 sint ver = f.serialVersion(3);
01396 <font class="keywordflow">if</font> (ver <= 2)
01397 {
01398 uint8 dummy;
01399 f.serial(dummy); <font class="comment">// old data in version 2 not used anymore </font>
01400 CPSForce::serial(f);
01401 f.serial(dummy); <font class="comment">// old data in version 2 not used anymore </font>
01402 serialForceIntensity(f);
01403 <font class="keywordflow">if</font> (f.isReading())
01404 {
01405 registerToTargets();
01406 }
01407 }
01408
01409 <font class="keywordflow">if</font> (ver >= 2)
01410 {
01411 CPSForceIntensityHelper::serial(f);
01412 f.serial(_ParametricFactor);
01413 }
01414 }
01415
01416
01417 } <font class="comment">// NL3D</font>
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