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Added also a NormalizedTriangleNormal. Too much practical...

This commit is contained in:
Paolo Cignoni 2014-11-14 23:00:36 +00:00
parent 828dc5f404
commit 40aedda6b0
1 changed files with 7 additions and 1 deletions
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8
vcg/space/triangle3.h
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@ -83,6 +83,12 @@ Point3<typename TriangleType::ScalarType> TriangleNormal(const TriangleType &t)
{ {
return (( t.cP(1) - t.cP(0)) ^ (t.cP(2) - t.cP(0))); return (( t.cP(1) - t.cP(0)) ^ (t.cP(2) - t.cP(0)));
} }
/// Returns the normal to the plane passing through p0,p1,p2
template<class TriangleType>
Point3<typename TriangleType::ScalarType> NormalizedTriangleNormal(const TriangleType &t)
{
return (( t.cP(1) - t.cP(0)) ^ (t.cP(2) - t.cP(0))).Normalize();
}
template<class Point3Type> template<class Point3Type>
Point3Type Normal( Point3Type const &p0, Point3Type const & p1, Point3Type const & p2) Point3Type Normal( Point3Type const &p0, Point3Type const & p1, Point3Type const & p2)
{ {
@ -147,7 +153,7 @@ bool InterpolationParameters2(const Point2<ScalarType> &V1,
template<class TriangleType, class ScalarType> template<class TriangleType, class ScalarType>
bool InterpolationParameters(const TriangleType t, const Point3<ScalarType> & P, Point3<ScalarType> & L) bool InterpolationParameters(const TriangleType t, const Point3<ScalarType> & P, Point3<ScalarType> & L)
{ {
vcg::Point3<ScalarType> N=vcg::Normal<TriangleType>(t); vcg::Point3<ScalarType> N=vcg::TriangleNormal<TriangleType>(t);
return (InterpolationParameters<TriangleType,ScalarType>(t,N,P,L)); return (InterpolationParameters<TriangleType,ScalarType>(t,N,P,L));
} }