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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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+<title>NeL: ps_ribbon_base.cpp Source File</title>
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+<h1>ps_ribbon_base.cpp</h1><a href="a04852.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
+00007 <span class="comment">/* Copyright, 2001 Nevrax Ltd.</span>
+00008 <span class="comment"> *</span>
+00009 <span class="comment"> * This file is part of NEVRAX NEL.</span>
+00010 <span class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</span>
+00011 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
+00012 <span class="comment"> * the Free Software Foundation; either version 2, or (at your option)</span>
+00013 <span class="comment"> * any later version.</span>
+00014 <span class="comment"></span>
+00015 <span class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</span>
+00016 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
+00017 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
+00018 <span class="comment"> * General Public License for more details.</span>
+00019 <span class="comment"></span>
+00020 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
+00021 <span class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</span>
+00022 <span class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</span>
+00023 <span class="comment"> * MA 02111-1307, USA.</span>
+00024 <span class="comment"> */</span>
+00025
+00026 <span class="preprocessor">#include "<a class="code" href="a05015.html">std3d.h</a>"</span>
+00027
+00028 <span class="preprocessor">#include "<a class="code" href="a04853.html">3d/ps_ribbon_base.h</a>"</span>
+00029 <span class="preprocessor">#include "<a class="code" href="a04720.html">3d/particle_system.h</a>"</span>
+00030
+00031 <span class="keyword">namespace </span>NL3D
+00032 {
+00033
+00035 <span class="comment">// CPSRibbonBase implementation //</span>
+00037 <span class="comment"></span>
+00038
+<a name="l00040"></a><a class="code" href="a05363.html#a514">00040</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a05363.html#a514">BuildHermiteVector</a>(<span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;P0,
+00041 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;P1,
+00042 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;T0,
+00043 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;T1,
+00044 <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;dest,
+00045 <span class="keywordtype">float</span> lambda
+00046 )
+00047 {
+00048 <span class="keyword">const</span> <span class="keywordtype">float</span> lambda2 = lambda * lambda;
+00049 <span class="keyword">const</span> <span class="keywordtype">float</span> lambda3 = lambda2 * lambda;
+00050 <span class="keyword">const</span> <span class="keywordtype">float</span> h1 = 2 * lambda3 - 3 * lambda2 + 1;
+00051 <span class="keyword">const</span> <span class="keywordtype">float</span> h2 = - 2 * lambda3 + 3 * lambda2;
+00052 <span class="keyword">const</span> <span class="keywordtype">float</span> h3 = lambda3 - 2 * lambda2 + lambda;
+00053 <span class="keyword">const</span> <span class="keywordtype">float</span> h4 = lambda3 - lambda2;
+00055 dest.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2051_8">set</a> (h1 * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a> + h2 * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a> + h3 * T0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a> + h4 * T1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a>,
+00056 h1 * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a> + h2 * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a> + h3 * T0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a> + h4 * T1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a>,
+00057 h1 * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a> + h2 * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a> + h3 * T0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a> + h4 * T1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a>);
+00058
+00059 }
+00060
+<a name="l00062"></a><a class="code" href="a05363.html#a515">00062</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a05363.html#a515">BuildLinearVector</a>(<span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;P0,
+00063 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;P1,
+00064 <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;dest,
+00065 <span class="keywordtype">float</span> lambda,
+00066 <span class="keywordtype">float</span> oneMinusLambda
+00067 )
+00068 {
+00069 dest.<a class="code" href="a03128.html#NLMISC_1_1CVectorz2051_8">set</a> (lambda * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a> + oneMinusLambda * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro0">x</a>,
+00070 lambda * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a> + oneMinusLambda * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro1">y</a>,
+00071 lambda * P1.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a> + oneMinusLambda * P0.<a class="code" href="a03128.html#NLMISC_1_1CVectoro2">z</a>);
+00072 }
+00073
+00074
+<a name="l00075"></a><a class="code" href="a05363.html#a267">00075</a> <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a05363.html#a267">EndRibbonStorage</a> = 1;
+00076
+00077
+00078 <span class="comment">//=======================================================</span>
+<a name="l00079"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBasez753_0">00079</a> CPSRibbonBase::CPSRibbonBase() : _NbSegs(8),
+00080 _SegDuration(0.02f),
+00081 _Parametric(false),
+00082 _RibbonIndex(0),
+00083 _LastUpdateDate(0),
+00084 _RibbonMode(VariableSize),
+00085 _InterpolationMode(Hermitte),
+00086 _RibbonLength(1),
+00087 _SegLength(_RibbonLength / _NbSegs),
+00088 _LODDegradation(1)
+00089
+00090 {
+00091 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotb10">initDateVect</a>();
+00092 }
+00093
+00094 <span class="comment">//=======================================================</span>
+<a name="l00095"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotz755_3">00095</a> <span class="keywordtype">void</span> CPSRibbonBase::setRibbonLength(<span class="keywordtype">float</span> length)
+00096 {
+00097 <a class="code" href="a04199.html#a6">nlassert</a>(length &gt; 0.f);
+00098 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser4">_RibbonLength</a> = length;
+00099 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser8">_SegLength</a> = length / <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a>;
+00100 }
+00101
+00102 <span class="comment">//=======================================================</span>
+<a name="l00103"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotz754_3">00103</a> <span class="keywordtype">void</span> CPSRibbonBase::setRibbonMode(TRibbonMode mode)
+00104 {
+00105 <a class="code" href="a04199.html#a6">nlassert</a>(mode &lt; <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw11NL3D_1_1CPSTailDotw8">RibbonModeLast</a>);
+00106 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser5">_RibbonMode</a> = mode;
+00107 }
+00108
+00109
+00110 <span class="comment">//=======================================================</span>
+<a name="l00111"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotz754_2">00111</a> <span class="keywordtype">void</span> CPSRibbonBase::setInterpolationMode(TInterpolationMode mode)
+00112 {
+00113 <a class="code" href="a04199.html#a6">nlassert</a>(mode &lt; <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw10NL3D_1_1CPSTailDotw5">InterpModeLast</a>);
+00114 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser0">_InterpolationMode</a> = mode;
+00115 }
+00116
+00117 <span class="comment">//=======================================================</span>
+<a name="l00118"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotz755_5">00118</a> <span class="keywordtype">void</span> CPSRibbonBase::setTailNbSeg(<a class="code" href="a04558.html#a11">uint32</a> nbSegs)
+00119 {
+00120 <a class="code" href="a04199.html#a6">nlassert</a>(nbSegs &gt;= 1);
+00121 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> = nbSegs;
+00122 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a> = 0;
+00123 <span class="keywordflow">if</span> (_Owner)
+00124 {
+00125 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaseb12">resize</a>(_Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda34">getMaxSize</a>());
+00126 }
+00127 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotb10">initDateVect</a>();
+00128 }
+00129
+00130
+00131 <span class="comment">//======================================================= </span>
+<a name="l00132"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotz755_4">00132</a> <span class="keywordtype">void</span> CPSRibbonBase::setSegDuration(<a class="code" href="a05363.html#a366">TAnimationTime</a> ellapsedTime)
+00133 {
+00134 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp10">_SegDuration</a> = ellapsedTime;
+00135
+00136 }
+00137
+00138 <span class="comment">//======================================================= </span>
+<a name="l00139"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb19">00139</a> <span class="keywordtype">void</span> CPSRibbonBase::updateGlobals(<span class="keywordtype">float</span> realET)
+00140 {
+00141 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00142 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
+00143 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a587">size</a> = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda44">getSize</a>();
+00144 <span class="keywordflow">if</span> (!<a class="code" href="a04223.html#a587">size</a>) <span class="keywordflow">return</span>;
+00145 <span class="keyword">const</span> <a class="code" href="a05363.html#a366">TAnimationTime</a> currDate = _Owner-&gt;<a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-&gt;<a class="code" href="a03041.html#NL3D_1_1CParticleSystemz584_1">getSystemDate</a>() + realET;
+00146 <span class="keywordflow">if</span> (currDate - _LastUpdateDate &gt;= <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp10">_SegDuration</a>)
+00147 {
+00148 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a> == 0) <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a> = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>;
+00149 <span class="keywordflow">else</span> --<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>;
+00150
+00152 ::memmove(&amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>[1], &amp;_SamplingDate[0], <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>) * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>));
+00153 _LastUpdateDate = currDate;
+00154 }
+00155
+00157 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>[0] = currDate;
+00158
+00160 TPSAttribVector::iterator posIt = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
+00161 <a class="code" href="a03128.html">NLMISC::CVector</a> *currIt = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>];
+00162 <a class="code" href="a04558.html#a15">uint</a> k = <a class="code" href="a04223.html#a587">size</a>;
+00163 <span class="keywordflow">for</span> (;;)
+00164 {
+00165 *currIt = *posIt;
+00166 --k;
+00167 <span class="keywordflow">if</span> (!k) <span class="keywordflow">break</span>;
+00168 ++posIt;
+00169 currIt += (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00170 }
+00171 }
+00172
+00173
+00174 <span class="comment">//======================================================= </span>
+<a name="l00175"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased1">00175</a> <span class="keywordtype">void</span> CPSRibbonBase::computeHermitteRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">NLMISC::CVector</a> *dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a582">stride</a> <span class="comment">/* = sizeof(NLMISC::CVector)*/</span>)
+00176 {
+00177 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00178 <a class="code" href="a03128.html">NLMISC::CVector</a> *startIt = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[(<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>) * <a class="code" href="a04223.html#a566">index</a>];
+00179 <a class="code" href="a03128.html">NLMISC::CVector</a> *endIt = startIt + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00180 <a class="code" href="a03128.html">NLMISC::CVector</a> *currIt = startIt + <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>;
+00181 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> *firstIt = currIt;
+00182 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextIt = currIt + 1;
+00183 <span class="keywordflow">if</span> (nextIt == endIt) nextIt = startIt;
+00184 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextNextIt = nextIt + 1;
+00185 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00186 <span class="keywordtype">float</span> *date = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>[0];
+00187
+00188 <a class="code" href="a03128.html">NLMISC::CVector</a> t0 = (*nextIt - *currIt);
+00189 <a class="code" href="a03128.html">NLMISC::CVector</a> t1 = 0.5f * (*nextNextIt - *currIt);
+00190
+00191 <a class="code" href="a04558.html#a15">uint</a> leftToDo = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a> + 1;
+00192
+00193 <span class="keywordtype">float</span> lambda = 0.f;
+00194 <span class="keywordtype">float</span> lambdaStep = 1.f;
+00195
+00196
+00197 <span class="keywordflow">for</span> (;;)
+00198 {
+00199 <span class="keywordtype">float</span> dt = date[0] - date[1];
+00200
+00201 <span class="keywordflow">if</span> (dt &lt; 10E-6f) <span class="comment">// we reached the start of ribbon</span>
+00202 {
+00203
+00204 <span class="keywordflow">do</span>
+00205 {
+00206 *dest = *currIt;
+00207 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00208 }
+00209 <span class="keywordflow">while</span> (--leftToDo);
+00210 <span class="keywordflow">return</span>;
+00211 }
+00212
+00213 <span class="keywordtype">float</span> newLambdaStep = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp12">_UsedSegDuration</a> / dt;
+00214 <span class="comment">// readapt lambda</span>
+00215 lambda *= newLambdaStep / lambdaStep;
+00216 lambdaStep = newLambdaStep;
+00217 <span class="keywordflow">for</span>(;;)
+00218 {
+00219 <span class="keywordflow">if</span> (lambda &gt;= 1.f) <span class="keywordflow">break</span>;
+00221 <a class="code" href="a05363.html#a514">BuildHermiteVector</a>(*currIt, *nextIt, t0, t1, *dest, lambda);
+00222 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00223 -- leftToDo;
+00224 <span class="keywordflow">if</span> (!leftToDo) <span class="keywordflow">return</span>;
+00225 lambda += lambdaStep;
+00226 }
+00227
+00228 ++date;
+00229 lambda -= 1.f;
+00230
+00231 <span class="comment">// Start new segment and compute new tangents</span>
+00232 t0 = t1;
+00233 currIt = nextIt;
+00234 nextIt = nextNextIt;
+00235 ++nextNextIt;
+00236 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00237 <span class="keywordflow">if</span> (nextNextIt == firstIt)
+00238 {
+00239 t1 = *nextIt - *currIt;
+00240 }
+00241 <span class="keywordflow">else</span>
+00242 {
+00243 t1 = 0.5f * (*nextNextIt - *currIt);
+00244 }
+00245 }
+00246 }
+00247
+00248 <span class="comment">//======================================================= </span>
+<a name="l00249"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased3">00249</a> <span class="keywordtype">void</span> CPSRibbonBase::computeLinearRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">NLMISC::CVector</a> *dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a582">stride</a> <span class="comment">/* = sizeof(NLMISC::CVector)*/</span>)
+00250 {
+00252 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00253 <a class="code" href="a03128.html">NLMISC::CVector</a> *startIt = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[(<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>) * <a class="code" href="a04223.html#a566">index</a>];
+00254 <a class="code" href="a03128.html">NLMISC::CVector</a> *endIt = startIt + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00255 <a class="code" href="a03128.html">NLMISC::CVector</a> *currIt = startIt + <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>;
+00256 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextIt = currIt + 1;
+00257 <span class="keywordflow">if</span> (nextIt == endIt) nextIt = startIt;
+00258 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextNextIt = nextIt + 1;
+00259 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00260 <span class="keywordtype">float</span> *date = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>[0];
+00261
+00262 <a class="code" href="a04558.html#a15">uint</a> leftToDo = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a> + 1;
+00263
+00264 <span class="keywordtype">float</span> lambda = 0.f;
+00265 <span class="keywordtype">float</span> lambdaStep = 1.f;
+00266
+00267 <span class="keywordflow">for</span> (;;)
+00268 {
+00269 <span class="keywordtype">float</span> dt = date[0] - date[1];
+00270
+00271 <span class="keywordflow">if</span> (dt &lt; 10E-6f) <span class="comment">// we reached the start of ribbon</span>
+00272 {
+00273 <span class="keywordflow">do</span>
+00274 {
+00275 *dest = *currIt;
+00276 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00277 }
+00278 <span class="keywordflow">while</span> (--leftToDo);
+00279 <span class="keywordflow">return</span>;
+00280 }
+00281
+00282
+00283 <span class="keywordtype">float</span> newLambdaStep = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp12">_UsedSegDuration</a> / dt;
+00284 <span class="comment">// readapt lambda</span>
+00285 lambda *= newLambdaStep / lambdaStep;
+00286 lambdaStep = newLambdaStep;
+00287
+00288 <span class="keywordtype">float</span> oneMinusLambda = 1.f - lambda;
+00289 <span class="keywordflow">for</span>(;;)
+00290 {
+00291 <span class="keywordflow">if</span> (lambda &gt;= 1.f) <span class="keywordflow">break</span>;
+00293 <a class="code" href="a05363.html#a515">BuildLinearVector</a>(*currIt, *nextIt, *dest, lambda, oneMinusLambda);
+00294 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00295 -- leftToDo;
+00296 <span class="keywordflow">if</span> (!leftToDo) <span class="keywordflow">return</span>;
+00297 lambda += lambdaStep;
+00298 oneMinusLambda -= lambdaStep;
+00299 }
+00300
+00301 ++date;
+00302 lambda -= 1.f;
+00303
+00304 currIt = nextIt;
+00305 nextIt = nextNextIt;
+00306 ++nextNextIt;
+00307 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00308
+00309 }
+00310 }
+00311
+00312
+00313
+00314 <span class="comment">//======================================================= </span>
+<a name="l00315"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased2">00315</a> <span class="keywordtype">void</span> CPSRibbonBase::computeLinearCstSizeRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">NLMISC::CVector</a> *dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a582">stride</a> <span class="comment">/* = sizeof(NLMISC::CVector)*/</span>)
+00316 {
+00317 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00318 <a class="code" href="a03128.html">CVector</a> *startIt = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[(<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>) * <a class="code" href="a04223.html#a566">index</a>];
+00319 <a class="code" href="a03128.html">NLMISC::CVector</a> *endIt = startIt + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00320 <a class="code" href="a03128.html">NLMISC::CVector</a> *currIt = startIt + <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>;
+00321 <a class="code" href="a03128.html">NLMISC::CVector</a> *firstIt = currIt;
+00322 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextIt = currIt + 1;
+00323 <span class="keywordflow">if</span> (nextIt == endIt) nextIt = startIt;
+00324 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextNextIt = nextIt + 1;
+00325 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00326
+00327 <a class="code" href="a04558.html#a15">uint</a> leftToDo = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a> + 1;
+00328
+00329 <span class="keywordtype">float</span> lambda = 0.f;
+00330 <span class="keywordtype">float</span> lambdaStep = 1.f;
+00331
+00332
+00334 <span class="keywordflow">for</span> (;;)
+00335 {
+00337 <span class="keyword">const</span> <span class="keywordtype">float</span> sampleLength = (*nextIt - *currIt).norm();
+00338 <span class="keywordflow">if</span> (sampleLength &gt; 10E-6f)
+00339 {
+00341 <span class="keywordtype">float</span> newLambdaStep = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp13">_UsedSegLength</a> / sampleLength;
+00342 <span class="comment">// readapt lambda</span>
+00343 lambda *= newLambdaStep / lambdaStep;
+00344 lambdaStep = newLambdaStep;
+00345
+00346 <span class="keywordtype">float</span> oneMinusLambda = 1.f - lambda;
+00347 <span class="keywordflow">for</span>(;;)
+00348 {
+00349 <span class="keywordflow">if</span> (lambda &gt;= 1.f) <span class="keywordflow">break</span>;
+00351 <a class="code" href="a05363.html#a515">BuildLinearVector</a>(*currIt, *nextIt, *dest, lambda, oneMinusLambda);
+00352 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00353 -- leftToDo;
+00354 <span class="keywordflow">if</span> (!leftToDo) <span class="keywordflow">return</span>;
+00355 lambda += lambdaStep;
+00356 oneMinusLambda -= lambdaStep;
+00357 }
+00358 lambda -= 1.f;
+00359 }
+00360
+00362 currIt = nextIt;
+00363 nextIt = nextNextIt;
+00364 ++nextNextIt;
+00365 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00366 <span class="keywordflow">if</span> (nextNextIt == firstIt)
+00367 {
+00368 <span class="comment">// The length of the sampling curve is too short</span>
+00369 <span class="comment">// must truncate the ribbon.</span>
+00370 <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;toDup = *nextIt;
+00371 <span class="keywordflow">while</span> (leftToDo --)
+00372 {
+00373 *dest = toDup;
+00374 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00375 }
+00376 <span class="keywordflow">return</span>;
+00377 }
+00378 }
+00379 }
+00380
+00381 <span class="comment">//======================================================= </span>
+<a name="l00382"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased0">00382</a> <span class="keywordtype">void</span> CPSRibbonBase::computeHermitteCstSizeRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">NLMISC::CVector</a> *dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a582">stride</a> <span class="comment">/* = sizeof(NLMISC::CVector)*/</span>)
+00383 {
+00384 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00385 <a class="code" href="a03128.html">NLMISC::CVector</a> *startIt = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[(<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>) * <a class="code" href="a04223.html#a566">index</a>];
+00386 <a class="code" href="a03128.html">NLMISC::CVector</a> *endIt = startIt + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00387 <a class="code" href="a03128.html">NLMISC::CVector</a> *currIt = startIt + <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser3">_RibbonIndex</a>;
+00388 <a class="code" href="a03128.html">NLMISC::CVector</a> *firstIt = currIt;
+00389 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextIt = currIt + 1;
+00390 <span class="keywordflow">if</span> (nextIt == endIt) nextIt = startIt;
+00391 <a class="code" href="a03128.html">NLMISC::CVector</a> *nextNextIt = nextIt + 1;
+00392 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00393
+00394 <a class="code" href="a03128.html">NLMISC::CVector</a> t0 = (*nextIt - *currIt);
+00395 <a class="code" href="a03128.html">NLMISC::CVector</a> t1 = 0.5f * (*nextNextIt - *currIt);
+00396
+00397 <a class="code" href="a04558.html#a15">uint</a> leftToDo = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a> + 1;
+00398
+00399 <span class="keywordtype">float</span> lambda = 0.f;
+00400 <span class="keywordtype">float</span> lambdaStep = 1.f;
+00401
+00402
+00405 <span class="keywordflow">for</span> (;;)
+00406 {
+00408 <span class="keyword">const</span> <span class="keywordtype">float</span> sampleLength = (*nextIt - *currIt).norm();
+00409 <span class="keywordflow">if</span> (sampleLength &gt; 10E-6f)
+00410 {
+00412 <span class="keywordtype">float</span> newLambdaStep = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp13">_UsedSegLength</a> / sampleLength;
+00413 <span class="comment">// readapt lambda</span>
+00414 lambda *= newLambdaStep / lambdaStep;
+00415 lambdaStep = newLambdaStep;
+00416
+00417 <span class="keywordflow">for</span>(;;)
+00418 {
+00419 <span class="keywordflow">if</span> (lambda &gt;= 1.f) <span class="keywordflow">break</span>;
+00421 <a class="code" href="a05363.html#a514">BuildHermiteVector</a>(*currIt, *nextIt, t0, t1, *dest, lambda);
+00422 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00423 -- leftToDo;
+00424 <span class="keywordflow">if</span> (!leftToDo) <span class="keywordflow">return</span>;
+00425 lambda += lambdaStep;
+00426 }
+00427 lambda -= 1.f;
+00428 }
+00429
+00431 currIt = nextIt;
+00432 nextIt = nextNextIt;
+00433 ++nextNextIt;
+00434 <span class="keywordflow">if</span> (nextNextIt == endIt) nextNextIt = startIt;
+00435 <span class="keywordflow">if</span> (nextNextIt == firstIt)
+00436 {
+00437 <span class="comment">// The length of the sampling curve is too short</span>
+00438 <span class="comment">// must truncate the ribbon.</span>
+00439 <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;toDup = *nextIt;
+00440 <span class="keywordflow">while</span> (leftToDo --)
+00441 {
+00442 *dest = toDup;
+00443 dest = (<a class="code" href="a03128.html">NLMISC::CVector</a> *) ((<a class="code" href="a04558.html#a7">uint8</a> *) dest + <a class="code" href="a04223.html#a582">stride</a>);
+00444 }
+00445 <span class="keywordflow">return</span>;
+00446 }
+00448 t0 = t1;
+00449 t1 = 0.5f * (*nextNextIt - *currIt);
+00450 }
+00451 }
+00452
+00453
+00454 <span class="comment">//======================================================= </span>
+<a name="l00455"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb1">00455</a> <span class="keywordtype">void</span> CPSRibbonBase::computeRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a03128.html">NLMISC::CVector</a> *dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a582">stride</a> <span class="comment">/* = sizeof(NLMISC::CVector)*/</span>)
+00456 {
+00457 <span class="keywordflow">switch</span> (<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser0">_InterpolationMode</a>)
+00458 {
+00459 <span class="keywordflow">case</span> <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw10NL3D_1_1CPSTailDotw6">Linear</a>:
+00460 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser5">_RibbonMode</a> == <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw11NL3D_1_1CPSTailDotw12">VariableSize</a>)
+00461 {
+00462 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased3">computeLinearRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, dest, <a class="code" href="a04223.html#a582">stride</a>);
+00463 }
+00464 <span class="keywordflow">else</span>
+00465 {
+00466 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased2">computeLinearCstSizeRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, dest, <a class="code" href="a04223.html#a582">stride</a>);
+00467 }
+00468 <span class="keywordflow">break</span>;
+00469 <span class="keywordflow">case</span> <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw10NL3D_1_1CPSTailDotw4">Hermitte</a>:
+00470 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser5">_RibbonMode</a> == <a class="code" href="a03227.html#NL3D_1_1CPSTailDotw11NL3D_1_1CPSTailDotw12">VariableSize</a>)
+00471 {
+00472 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased1">computeHermitteRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, dest, <a class="code" href="a04223.html#a582">stride</a>);
+00473
+00474 }
+00475 <span class="keywordflow">else</span>
+00476 {
+00477 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased0">computeHermitteCstSizeRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, dest, <a class="code" href="a04223.html#a582">stride</a>);
+00478 }
+00479 <span class="keywordflow">break</span>;
+00480 <span class="keywordflow">default</span>:
+00481 <a class="code" href="a04199.html#a6">nlassert</a>(0);
+00482 <span class="keywordflow">break</span>;
+00483 }
+00484
+00485 }
+00486
+00487
+00488 <span class="comment">//======================================================= </span>
+<a name="l00489"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased4">00489</a> <span class="keywordtype">void</span> CPSRibbonBase::dupRibbon(<a class="code" href="a04558.html#a15">uint</a> dest, <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a652">src</a>)
+00490 {
+00491 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00492 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
+00493 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a587">size</a> = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda44">getSize</a>();
+00494 <a class="code" href="a04199.html#a6">nlassert</a>(dest &lt; <a class="code" href="a04223.html#a587">size</a> &amp;&amp; <a class="code" href="a04223.html#a652">src</a> &lt; <a class="code" href="a04223.html#a587">size</a>);
+00495 ::memcpy(&amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[dest * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + <a class="code" href="a05363.html#a267">EndRibbonStorage</a> + 1)], &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[<a class="code" href="a04223.html#a652">src</a> * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + <a class="code" href="a05363.html#a267">EndRibbonStorage</a> + 1)], <span class="keyword">sizeof</span>(<a class="code" href="a03128.html">NLMISC::CVector</a>) * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>));
+00496 }
+00497
+00498 <span class="comment">//======================================================= </span>
+<a name="l00499"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaseb9">00499</a> <span class="keywordtype">void</span> CPSRibbonBase::newElement(<a class="code" href="a03214.html">CPSLocated</a> *emitterLocated, <a class="code" href="a04558.html#a11">uint32</a> emitterIndex)
+00500 {
+00501 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>) <span class="keywordflow">return</span>;
+00503 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a> = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda37">getNewElementIndex</a>();
+00504 <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;pos = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>()[<a class="code" href="a04223.html#a566">index</a>]; <span class="comment">// get the pos of the new element;</span>
+00505 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased5">resetSingleRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, pos);
+00506 }
+00507
+00508 <span class="comment">//======================================================= </span>
+<a name="l00509"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaseb3">00509</a> <span class="keywordtype">void</span> CPSRibbonBase::deleteElement(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a566">index</a>)
+00510 {
+00511 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>) <span class="keywordflow">return</span>;
+00512 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a> = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda44">getSize</a>();
+00513 <span class="keywordflow">if</span>(<a class="code" href="a04223.html#a566">index</a> == (<a class="code" href="a04223.html#a587">size</a> - 1)) <span class="keywordflow">return</span>; <span class="comment">// was the last element, no permutation needed.</span>
+00514 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased4">dupRibbon</a>(<a class="code" href="a04223.html#a566">index</a>, <a class="code" href="a04223.html#a587">size</a> - 1);
+00515 }
+00516
+00517 <span class="comment">//======================================================= </span>
+<a name="l00518"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaseb12">00518</a> <span class="keywordtype">void</span> CPSRibbonBase::resize(<a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a587">size</a>)
+00519 {
+00520 <a class="code" href="a04199.html#a6">nlassert</a>(<a class="code" href="a04223.html#a587">size</a> &lt; (1 &lt;&lt; 16));
+00521 <span class="keywordflow">if</span> (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>) <span class="keywordflow">return</span>;
+00522 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>.resize(<a class="code" href="a04223.html#a587">size</a> * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>));
+00523 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotb15">resetFromOwner</a>();
+00524 }
+00525
+00526
+00527 <span class="comment">//======================================================= </span>
+<a name="l00528"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased5">00528</a> <span class="keywordtype">void</span> CPSRibbonBase::resetSingleRibbon(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a04223.html#a566">index</a>, <span class="keyword">const</span> <a class="code" href="a03128.html">NLMISC::CVector</a> &amp;pos)
+00529 {
+00530 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00531 <a class="code" href="a03128.html">NLMISC::CVector</a> *it = &amp;<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>[(<a class="code" href="a04223.html#a566">index</a> * (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>))];
+00532 std::fill(it, it + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>), pos);
+00533 }
+00534
+00535
+00536
+00537 <span class="comment">//======================================================= </span>
+<a name="l00538"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb15">00538</a> <span class="keywordtype">void</span> CPSRibbonBase::resetFromOwner()
+00539 {
+00540 <a class="code" href="a04199.html#a6">nlassert</a>(!<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a>);
+00541 TPSAttribVector::iterator posIt = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_1">begin</a>();
+00542 TPSAttribVector::iterator endPosIt = _Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda42">getPos</a>().<a class="code" href="a03135.html#NL3D_1_1CPSAttribz708_3">end</a>();
+00543 <span class="keywordflow">for</span> (<a class="code" href="a04558.html#a15">uint</a> k = 0; posIt != endPosIt; ++posIt, ++k)
+00544 {
+00545 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased5">resetSingleRibbon</a>(k, *posIt);
+00546 }
+00547 }
+00548
+00549 <span class="comment">//======================================================= </span>
+<a name="l00550"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb11">00550</a> <span class="keywordtype">void</span> CPSRibbonBase::motionTypeChanged(<span class="keywordtype">bool</span> parametric)
+00551 {
+00552 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp9">_Parametric</a> = parametric;
+00553 <span class="keywordflow">if</span> (parametric)
+00554 {
+00555 <a class="code" href="a05378.html#a381">NLMISC::contReset</a>(<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser6">_Ribbons</a>); <span class="comment">// kill the vector </span>
+00556 }
+00557 <span class="keywordflow">else</span>
+00558 {
+00559 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
+00560 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaseb12">resize</a>(_Owner-&gt;<a class="code" href="a03214.html#NL3D_1_1CPSLocateda34">getMaxSize</a>());
+00561 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotb10">initDateVect</a>();
+00562 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotb15">resetFromOwner</a>();
+00563 }
+00564 }
+00565
+00566
+00567 <span class="comment">//======================================================= </span>
+<a name="l00568"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb10">00568</a> <span class="keywordtype">void</span> CPSRibbonBase::initDateVect()
+00569 {
+00570 <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>.resize( <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>);
+00571 std::fill(<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>.begin(), <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>.begin() + (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> + 1 + <a class="code" href="a05363.html#a267">EndRibbonStorage</a>), 0.f);
+00572 }
+00573
+00574
+00575 <span class="comment">//======================================================= </span>
+<a name="l00576"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBasez753_1">00576</a> <span class="keywordtype">void</span> CPSRibbonBase::serial(<a class="code" href="a02270.html">NLMISC::IStream</a> &amp;f) <span class="keywordflow">throw</span>(<a class="code" href="a03781.html">NLMISC::EStream</a>)
+00577 {
+00578 CPSParticle::serial(f);
+00579 <a class="code" href="a04558.html#a14">sint</a> ver = f.serialVersion(1);
+00580 f.serialEnum(_RibbonMode);
+00581 f.serialEnum(_InterpolationMode);
+00582 f.serial(_NbSegs, _SegDuration);
+00583 <span class="keywordflow">if</span> (_RibbonMode == FixedSize)
+00584 {
+00585 f.serial(_RibbonLength);
+00586 <span class="keywordflow">if</span> (f.isReading())
+00587 {
+00588 _SegLength = _RibbonLength / _NbSegs;
+00589 }
+00590 }
+00591
+00592 <span class="keywordflow">if</span> (f.isReading())
+00593 {
+00594 <span class="keywordflow">if</span> (_Owner)
+00595 {
+00596 resize(_Owner-&gt;getMaxSize());
+00597 initDateVect();
+00598 resetFromOwner();
+00599 }
+00600 }
+00601
+00602 <span class="keywordflow">if</span> (ver &gt;= 1)
+00603 {
+00604 f.serial(_LODDegradation);
+00605 }
+00606 }
+00607
+00608
+00609 <span class="comment">//======================================================= </span>
+<a name="l00610"></a><a class="code" href="a03227.html#NL3D_1_1CPSTailDotb20">00610</a> <span class="keywordtype">void</span> CPSRibbonBase::updateLOD()
+00611 {
+00612 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner);
+00613 <span class="keywordtype">float</span> ratio = _Owner-&gt;<a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-&gt;<a class="code" href="a03041.html#NL3D_1_1CParticleSystemz596_15">getOneMinusCurrentLODRatio</a>();
+00614 <span class="keywordtype">float</span> squaredRatio = ratio * ratio;
+00615 <span class="keywordtype">float</span> lodRatio = _LODDegradation + (1.f - _LODDegradation ) * squaredRatio * squaredRatio * squaredRatio;
+00616
+00617 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a> = (<a class="code" href="a04558.html#a15">uint</a>) (<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a> * lodRatio);
+00618 <a class="code" href="a05378.html#a374">NLMISC::clamp</a>(<a class="code" href="a03227.html#NL3D_1_1CPSTailDotp11">_UsedNbSegs</a>, 0u, <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp7">_NbSegs</a>);
+00619 <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 10E-4f;
+00620 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp12">_UsedSegDuration</a> = <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp10">_SegDuration</a> / std::max(epsilon, lodRatio);
+00621 <a class="code" href="a03227.html#NL3D_1_1CPSTailDotp13">_UsedSegLength</a> = <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser8">_SegLength</a> / std::max(epsilon, lodRatio);
+00622
+00623 }
+00624
+00625 <span class="comment">//======================================================= </span>
+<a name="l00626"></a><a class="code" href="a03227.html#NL3D_1_1CPSRibbonBased6">00626</a> <span class="keywordtype">void</span> CPSRibbonBase::systemDateChanged()
+00627 {
+00628 <a class="code" href="a04199.html#a6">nlassert</a>(_Owner-&gt;<a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>());
+00629 _Owner-&gt;<a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-&gt;<a class="code" href="a03041.html#NL3D_1_1CParticleSystemz584_1">getSystemDate</a>();
+00630 <span class="keywordtype">float</span> date = _Owner-&gt;<a class="code" href="a03054.html#NL3D_1_1CPSLocateda39">getOwner</a>()-&gt;<a class="code" href="a03041.html#NL3D_1_1CParticleSystemz584_1">getSystemDate</a>();
+00631 std::fill(<a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>.begin(), <a class="code" href="a03227.html#NL3D_1_1CPSRibbonBaser7">_SamplingDate</a>.end(), date);
+00632 _LastUpdateDate = date;
+00633 }
+00634
+00635
+00636
+00637 } <span class="comment">// NL3D</span>
+00638
+</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:34:40 2004 for NeL by
+<a href="http://www.doxygen.org/index.html">
+<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
+</a>1.3.6 </small></address>
+</body>
+</html>