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guard against a potential divide-by-zero with degenerate faces

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walbourn_cp 2014-11-21 17:43:36 -08:00
parent f489e12d7e
commit 0fbcfb3a99
1 changed files with 2 additions and 1 deletions
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3
UVAtlas/isochart/basemeshinfo.cpp
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@ -323,7 +323,8 @@ HRESULT CBaseMeshInfo::ComputeInputFaceAttributes(
pfFaceAreaArray[i] = area * 0.5f;
fMeshArea += pfFaceAreaArray[i];
vFaceNormal /= area;
if ( area > 0.f )
vFaceNormal /= area;
XMStoreFloat3(pFaceNormal, vFaceNormal);
if (pFaceCanonicalUVCoordinate)