From 0ea5fc66924303d1bf73ba283a383e2aadee02f2 Mon Sep 17 00:00:00 2001 From: neodarz Date: Sat, 11 Aug 2018 20:21:34 +0200 Subject: Initial commit --- docs/doxygen/nel/a03358.html | 408 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 408 insertions(+) create mode 100644 docs/doxygen/nel/a03358.html (limited to 'docs/doxygen/nel/a03358.html') diff --git a/docs/doxygen/nel/a03358.html b/docs/doxygen/nel/a03358.html new file mode 100644 index 00000000..61fd94a1 --- /dev/null +++ b/docs/doxygen/nel/a03358.html @@ -0,0 +1,408 @@ + + +NeL: NL3D::CSegRemanence::CRibbon class Reference + + + +
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+

NL3D::CSegRemanence::CRibbon Class Reference

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Public Member Functions

 CRibbon ()
void duplicateFirstPos ()
void fillVB (uint8 *dest, uint stride, uint nbSegs, float sliceTime)
void samplePos (const NLMISC::CVector &pos, float date, float sliceDuration)
void setNumSlices (uint numSlices)

Private Types

typedef std::deque< CSampledPos > TSampledPosVect

Private Attributes

float _LastSamplingDate
TSampledPosVect _Ribbon
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Member Typedef Documentation

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typedef std::deque<CSampledPos> NL3D::CSegRemanence::CRibbon::TSampledPosVect [private] +
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+   + + +

+ +

+Definition at line 153 of file seg_remanence.h.

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Constructor & Destructor Documentation

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NL3D::CSegRemanence::CRibbon::CRibbon (   ) 
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+   + + +

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+Definition at line 210 of file seg_remanence.cpp. +

+

00210                               : _LastSamplingDate(0)
+00211 {
+00212 }
+
+

Member Function Documentation

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void NL3D::CSegRemanence::CRibbon::duplicateFirstPos (   ) 
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+Definition at line 274 of file seg_remanence.cpp. +

+References _Ribbon, and uint. +

+

00275 {
+00276         uint ribSize = _Ribbon.size();
+00277         for(uint k = 1; k < ribSize; ++k)
+00278         {
+00279                 _Ribbon[k] = _Ribbon[0];
+00280         }
+00281 }
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+

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void NL3D::CSegRemanence::CRibbon::fillVB ( uint8 *  dest,
uint  stride,
uint  nbSegs,
float  sliceTime
) 
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+ + + + + +
+   + + +

+compute a location +

+Definition at line 215 of file seg_remanence.cpp. +

+References _Ribbon, NL3D::BuildHermiteVector(), stride, uint, and uint8. +

+

00216 {               
+00217         TSampledPosVect::iterator currIt      = _Ribbon.begin();                        
+00218 
+00219         NLMISC::CVector t0 = (currIt + 1)->Pos - currIt->Pos;
+00220         NLMISC::CVector t1 = 0.5f * ((currIt + 2)->Pos - currIt->Pos);
+00221 
+00222         uint leftToDo = nbSegs + 1;
+00223 
+00224         float lambda = 0.f;
+00225         float lambdaStep = 1.f;
+00226 
+00227 /*      nlinfo("===============================");
+00228         for(uint k = 0; k < _Ribbon.size(); ++k)
+00229         {
+00230                 nlinfo("pos = (%.2f, %.2f, %.2f)", _Ribbon[k].Pos.x, _Ribbon[k].Pos.y, _Ribbon[k].Pos.z);
+00231         }*/
+00232 
+00233         for (;;)
+00234         {               
+00235                 float dt = currIt->SamplingDate - (currIt + 1)->SamplingDate;
+00236 
+00237                 if (dt < 10E-6f) // we reached the start of ribbon
+00238                 {
+00239 
+00240                         do
+00241                         {
+00242                                 (NLMISC::CVector &) *dest = currIt->Pos;
+00243                                 dest  += stride;
+00244                         }
+00245                         while (--leftToDo);                     
+00246                         return;
+00247                 }
+00248 
+00249                 float newLambdaStep = sliceTime / dt;
+00250                 // readapt lambda
+00251                 lambda *= newLambdaStep / lambdaStep;
+00252                 lambdaStep = newLambdaStep;
+00253                 for(;;)
+00254                 {
+00255                         if (lambda >= 1.f) break;
+00257                         BuildHermiteVector(currIt->Pos, (currIt + 1)->Pos, t0, t1, (NLMISC::CVector &) *dest, lambda);
+00258                         dest  += stride;
+00259                         -- leftToDo;
+00260                         if (!leftToDo) return;                                                                                          
+00261                         lambda += lambdaStep;                   
+00262                 }
+00263                 
+00264                 lambda -= 1.f;
+00265 
+00266                 // Start new segment and compute new tangents
+00267                 t0 = t1;
+00268                 ++currIt;               
+00269                 t1 = 0.5f * ((currIt + 2)->Pos - currIt->Pos);
+00270         }        
+00271 }
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void NL3D::CSegRemanence::CRibbon::samplePos ( const NLMISC::CVector &  pos,
float  date,
float  sliceDuration
) 
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+   + + +

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+Definition at line 308 of file seg_remanence.cpp. +

+References _LastSamplingDate, _Ribbon, and nlassert. +

+

00309 {
+00310         nlassert(_Ribbon.size() != 0);
+00311         if (date - _LastSamplingDate > sliceDuration)
+00312         {
+00313                 _Ribbon.pop_back();
+00314                 CSampledPos sp(pos, date);
+00315                 _Ribbon.push_front(sp);
+00316                 _LastSamplingDate = date;
+00317         }
+00318         else
+00319         {
+00320                 _Ribbon.front().Pos = pos;
+00321                 _Ribbon.front().SamplingDate = date;
+00322         }
+00323 }
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void NL3D::CSegRemanence::CRibbon::setNumSlices ( uint  numSlices  ) 
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+   + + +

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+Definition at line 302 of file seg_remanence.cpp. +

+References _Ribbon, and uint. +

+

00303 {       
+00304         _Ribbon.resize(numSegs + 3);
+00305 }
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+

Field Documentation

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float NL3D::CSegRemanence::CRibbon::_LastSamplingDate [private] +
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+Definition at line 155 of file seg_remanence.h. +

+Referenced by samplePos().

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TSampledPosVect NL3D::CSegRemanence::CRibbon::_Ribbon [private] +
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+Definition at line 154 of file seg_remanence.h. +

+Referenced by duplicateFirstPos(), fillVB(), samplePos(), and setNumSlices().

+

The documentation for this class was generated from the following files: +
Generated on Tue Mar 16 07:42:24 2004 for NeL by + +doxygen +1.3.6
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