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Added useful face::WedgeAngleRad

This commit is contained in:
Paolo Cignoni 2017-04-02 01:26:12 +02:00
parent 235d03935e
commit 16369d6006
1 changed files with 10 additions and 0 deletions
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10
vcg/simplex/face/topology.h
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@ -109,6 +109,16 @@ inline typename FaceType::ScalarType DihedralAngleRad(FaceType & f, const int i
else return -angleRad; else return -angleRad;
} }
/// Return the internal angle (in radians) of the i-th wedge of the triangle.
template <class FaceType>
inline typename FaceType::ScalarType WedgeAngleRad(FaceType & f, const int i )
{
auto &P0=f.P(i);
auto &P1=f.P(f.Next(i));
auto &P2=f.P(f.Prev(i));
return vcg::Angle(P2 - P0,P1 - P0);
}
/// Count border edges of the face /// Count border edges of the face
template <class FaceType> template <class FaceType>
inline int BorderCount(FaceType const & f) inline int BorderCount(FaceType const & f)