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Added functor RayTriangleIntersectionFunctor.

This commit is contained in:
Marco Di Benedetto 2005-09-29 11:48:00 +00:00
parent 44e86f5a9b
commit 342c06717b
1 changed files with 23 additions and 0 deletions
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23
vcg/space/intersection3.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.16 2005/09/28 19:40:55 m_di_benedetto
Added intersection for ray-triangle (with Ray3 type).
Revision 1.15 2005/06/29 15:28:31 callieri
changed intersection names to more specific to avoid ambiguity
@ -479,6 +482,26 @@ bool Intersection (const Plane3<T> & plane0, const Plane3<T> & plane1,
}
// Ray-Triangle Functor
template <bool BACKFACETEST = true>
class RayTriangleIntersectionFunctor {
public:
template <class TRIANGLETYPE, class SCALARTYPE>
inline bool operator () (const TRIANGLETYPE & f, const Ray3<SCALARTYPE> & ray, SCALARTYPE & t) {
typedef SCALARTYPE ScalarType;
ScalarType a;
ScalarType b;
bool bret = Intersection(ray, Point3<SCALARTYPE>::Construct(f.P(0)), Point3<SCALARTYPE>::Construct(f.P(1)), Point3<SCALARTYPE>::Construct(f.P(2)), a, b, t);
if (BACKFACETEST) {
if (!bret) {
bret = Intersection(ray, Point3<SCALARTYPE>::Construct(f.P(0)), Point3<SCALARTYPE>::Construct(f.P(2)), Point3<SCALARTYPE>::Construct(f.P(1)), a, b, t);
}
}
return (bret);
}
};
/*@}*/