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ANIM cook fix; OBB generation crash fix

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This commit is contained in:
Jack Andersen
2018-06-15 16:26:58 -10:00
parent 513d9c99cd
commit 079c343557
5 changed files with 18 additions and 6 deletions
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6
DataSpec/DNACommon/OBBTreeBuilder.cpp
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@@ -119,6 +119,10 @@ static FittedOBB FitOBB(const ColMesh& mesh, const std::vector<int>& index)
cyy += ( 9.0*mui.y*mui.y + p.y*p.y + q.y*q.y + r.y*r.y )*(Ai/12.0);
cyz += ( 9.0*mui.y*mui.z + p.y*p.z + q.y*q.z + r.y*r.z )*(Ai/12.0);
}
if (zeus::close_enough(Am, 0.f))
return {};
// divide out the Am fraction from the average position and
// covariance terms
mu = mu / Am;
@@ -131,7 +135,7 @@ static FittedOBB FitOBB(const ColMesh& mesh, const std::vector<int>& index)
// now build the covariance matrix
C(0,0)=cxx; C(0,1)=cxy; C(0,2)=cxz;
C(1,0)=cxy; C(1,1)=cyy; C(1,2)=cyz;
C(2,0)=cxz; C(1,2)=cyz; C(2,2)=czz;
C(2,0)=cxz; C(2,1)=cyz; C(2,2)=czz;
// set the obb parameters from the covariance matrix
return BuildFromCovarianceMatrix(C, mesh, index);