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added ray iterator of faces

This commit is contained in:
Nico Pietroni 2005-09-19 13:36:24 +00:00
parent 54c8562e3a
commit f569a25540
1 changed files with 69 additions and 9 deletions
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78
vcg/complex/trimesh/closest.h
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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.10 2005/09/16 11:53:51 cignoni
Small gcc compliling issues
Revision 1.9 2005/09/15 13:16:10 spinelli
fixed bugs
@ -68,7 +71,8 @@ header added
#include <vcg/space/point4.h>
#include <vcg/math/base.h>
#include <vcg/simplex/face/distance.h>
#include <vcg/space/index/grid_static_ptr.h>
//#include <vcg/space/index/grid_static_ptr.h>
#include <vcg/space/index/space_iterators.h>
namespace vcg {
namespace trimesh {
@ -76,15 +80,47 @@ namespace vcg {
template <class MESH_TYPE,class OBJ_TYPE>
class Tmark
{
MESH_TYPE &m;
MESH_TYPE *m;
public:
Tmark(MESH_TYPE &_m):m(_m){}
void UnMarkAll(){m.UnMarkAll();}
bool IsMarked(OBJ_TYPE* obj){return (m.IsMarked(obj));}
void Mark(OBJ_TYPE* obj){m.Mark(obj);}
Tmark(){}
void UnMarkAll(){m->UnMarkAll();}
bool IsMarked(OBJ_TYPE* obj){return (m->IsMarked(obj));}
void Mark(OBJ_TYPE* obj){m->Mark(obj);}
void SetMesh(MESH_TYPE *_m)
{m=_m;}
};
template <class MESH_TYPE>
class FaceTmark:public Tmark<MESH_TYPE,typename MESH_TYPE::FaceType>
{};
template <class MESH_TYPE>
class VertTmark:public Tmark<MESH_TYPE,typename MESH_TYPE::VertexType>
{};
///class of functor used to calculate the radius-triangle intersection
template <class FACE_TYPE>
class FaceIntersection {
typedef typename FACE_TYPE FaceType;
typedef typename FACE_TYPE::ScalarType ScalarType;
typedef typename vcg::Line3<ScalarType> RayType;
typedef typename FaceType::CoordType CoordType;
public:
inline bool operator () (const FaceType & f, RayType r,CoordType & Int) {
CoordType p0=f.V(0)->P();
CoordType p1=f.V(1)->P();
CoordType p2=f.V(2)->P();
///2 sides of normal test
if ((vcg::Intersection<ScalarType>(r,p0,p1,p2,Int))
||(vcg::Intersection<ScalarType>(r,p0,p2,p1,Int)))
return ((r.Direction()*(Int-r.Origin()))>0);///control side of intersection
return false;
}
};
/*
aka MetroCore
data una mesh m e una ug sulle sue facce trova il punto di m piu' vicino ad
un punto dato.
@ -212,9 +248,10 @@ void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
//}
scalar error = mdist;
typedef Tmark<MESH, typename MESH::FaceType> Marker;
Marker t=Marker(mesh);
typename MESH::FaceType* bestf= gr.GetClosest(p,error,bestq,t);
typedef FaceTmark<MESH> MarkerFace;
MarkerFace t;
t.SetMesh(&mesh);
typename MESH::FaceType* bestf= gr.GetClosest<MarkerFace>(p,error,bestq,t);
if(mdist > scalar(fabs(error)))
{
@ -239,6 +276,29 @@ void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
Point3<SCALAR> ip;
Closest(mesh,p,gr,mdist,normf,bestq,f,ip);
}
template <class GRID,class MESH>
class TriRayIterator:public vcg::RayIterator<GRID,FaceIntersection<typename MESH::FaceType>,typename FaceTmark<MESH> >
{
public:
typedef typename GRID GridType;
typedef typename MESH MeshType;
typedef typename FaceTmark<MESH> MarkerFace;
typedef typename FaceIntersection<typename MESH::FaceType> FintFunct;
typedef typename vcg::RayIterator<GRID,FaceIntersection<typename MESH::FaceType>,typename FaceTmark<MESH> > RayBaseType;
TriRayIterator(GridType &_Si):RayBaseType(_Si,FintFunct()){}
void SetMesh(MeshType *m)
{tm.SetMesh(m);}
/*void Init(RayType _r,MeshType &mesh)
{
__super::Init(_r);
}*/
};
} // end namespace trimesh
} // end namespace vcg