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added DoRayFuntion that return interpolated normal

This commit is contained in:
Nico Pietroni 2006-11-10 11:41:49 +00:00
parent 43facb8954
commit fc770bdd96
1 changed files with 39 additions and 9 deletions
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46
vcg/complex/trimesh/closest.h
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@ -24,6 +24,10 @@
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$Log: not supported by cvs2svn $
Revision 1.22 2006/09/20 17:18:26 ponchio
VDistFunct() at line 292 was passed as a temporary.
Invalid under g++. Fixed.
Revision 1.21 2006/02/09 08:38:04 pietroni
sintax error corrected
@ -331,6 +335,32 @@ namespace vcg {
return(gr.DoRay(FintFunct(),mf,_ray,_maxDist,_t));
}
template <class MESH, class GRID>
typename GRID::ObjPtr DoRay(MESH & mesh,GRID & gr, const Ray3<typename GRID::ScalarType> & _ray,
const typename GRID::ScalarType & _maxDist,
typename GRID::ScalarType & _t,
typename GRID::CoordType & _normf)
{
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
typedef vcg::RayTriangleIntersectionFunctor<true> FintFunct;
FaceType *f=gr.DoRay(FintFunct(),mf,_ray,_maxDist,_t);
GRID::CoordType dir=_ray.Direction();
dir.Normalize();
GRID::CoordType int_point=_ray.Origin()+_ray.Direction()*_t;
GRID::ScalarType alfa,beta,gamma;
if (f!=NULL)
{
f->InterpolationParameters(int_point, alfa, beta, gamma);
_normf = (f->V(0)->cN())*alfa+
(f->V(1)->cN())*beta+
(f->V(2)->cN())*gamma ;
}
return f;
}
//**ITERATORS DEFINITION**//
@ -351,8 +381,8 @@ namespace vcg {
ClosestFaceIterator(GridType &_Si):ClosestBaseType(_Si,PDistFunct()){}
// Commented out: it seems unuseful and make gcc complain. p.
// void SetMesh(MeshType *m)
// {this->tm.SetMesh(m);}
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};
template <class GRID,class MESH>
@ -367,9 +397,9 @@ namespace vcg {
ClosestVertexIterator(GridType &_Si):ClosestBaseType(_Si,VDistFunct()){}
//// Commented out: it seems unuseful and make gcc complain. p.
// void SetMesh(MeshType *m)
// {this->tm.SetMesh(m);}
// Commented out: it seems unuseful and make gcc complain. p.
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};
template <class GRID,class MESH>
@ -386,9 +416,9 @@ namespace vcg {
TriRayIterator(GridType &_Si):RayBaseType(_Si,FintFunct()){}
//// Commented out: it seems unuseful and make gcc complain. p.
// void SetMesh(MeshType *m)
// {this->tm.SetMesh(m);}
// Commented out: it seems unuseful and make gcc complain. p.
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};