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fix a NaN issue in envmap.cpp

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Wenzel Jakob 2011-07-28 12:09:56 +02:00
parent fcae6a3314
commit ff025d558f
1 changed files with 2 additions and 1 deletions
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src/luminaires/envmap.cpp
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@ -160,7 +160,8 @@ public:
Vector sampledDirection(sinTheta * sinPhi, Vector sampledDirection(sinTheta * sinPhi,
cosTheta, -sinTheta*cosPhi); cosTheta, -sinTheta*cosPhi);
pdf = pdf / (m_pdfPixelSize.x * m_pdfPixelSize.y * sinTheta); pdf = pdf / (m_pdfPixelSize.x * m_pdfPixelSize.y
* std::max(Epsilon, sinTheta));
return m_luminaireToWorld(-sampledDirection); return m_luminaireToWorld(-sampledDirection);
} }