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fixed a minor sampling issue in roughglass.cpp

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Wenzel Jakob 2010-09-21 03:41:12 +02:00
parent b5903a1425
commit 6bedfb611e
1 changed files with 3 additions and 2 deletions
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3
src/bsdfs/roughglass.cpp
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@ -327,7 +327,8 @@ public:
Frame mFrame(sampleBeckmannD(bRec.sample)); Frame mFrame(sampleBeckmannD(bRec.sample));
/* Perfect specular reflection along the microsurface normal */ /* Perfect specular reflection along the microsurface normal */
refract(mFrame.toLocal(bRec.wi), bRec.wo, bRec.quantity); if (refract(mFrame.toLocal(bRec.wi), bRec.wo, bRec.quantity) == 0)
return Spectrum(0.0f);
bRec.wo = mFrame.toWorld(bRec.wo); bRec.wo = mFrame.toWorld(bRec.wo);
bRec.sampledComponent = 1; bRec.sampledComponent = 1;