manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added extrude.h file for the creation of extruded meshes from profiles

This commit is contained in:
Paolo Cignoni 2012-06-06 06:25:56 +00:00
parent bff5f97fe6
commit 36905c5d93
1 changed files with 75 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
vcg/complex/algorithms/create/extrude.h Normal file
View File

@ -0,0 +1,75 @@
#ifndef EXTRUDE_H
#define EXTRUDE_H
namespace vcg {
namespace tri {
template <class MeshType> class Extrude
{
public:
typedef typename MeshType::FacePointer FacePointer;
typedef typename MeshType::EdgePointer EdgePointer;
typedef typename MeshType::VertexPointer VertexPointer;
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::EdgeType EdgeType;
typedef typename MeshType::VertexIterator VertexIterator;
typedef typename MeshType::EdgeIterator EdgeIterator;
typedef typename MeshType::FaceIterator FaceIterator;
static void ProfileWithCap(MeshType &profile, MeshType &surface, const vcg::Similarityf &sim )
{
surface.Clear();
for(VertexIterator vi=profile.vert.begin();vi!=profile.vert.end();++vi)
{
VertexIterator vp=tri::Allocator<MeshType>::AddVertices(surface,2);
vp->P()=vi->P();
++vp;
vp->P()= sim*vi->P() ;
}
for(EdgeIterator ei=profile.edge.begin();ei!=profile.edge.end();++ei)
{
int i0=tri::Index(profile,ei->V(0));
int i1=tri::Index(profile,ei->V(1));
FaceIterator fp= tri::Allocator<MeshType>::AddFaces(surface,2);
fp->V(0) = &surface.vert[i0*2];
fp->V(1) = &surface.vert[i1*2];
fp->V(2) = &surface.vert[i0*2+1];
++fp;
fp->V(0) = &surface.vert[i1*2+1];
fp->V(1) = &surface.vert[i0*2+1];
fp->V(2) = &surface.vert[i1*2];
}
MeshType cap1;
tri::CapEdgeMesh(profile,cap1);
if(cap1.fn==0) CapEdgeMesh(profile,cap1,true);
tri::Append<MeshType,MeshType>::Mesh(surface,cap1);
for(VertexIterator vi=cap1.vert.begin();vi!=cap1.vert.end();++vi)
vi->P() = sim*vi->P();
tri::Append<MeshType,MeshType>::Mesh(surface,cap1);
tri::Clean<MeshType>::RemoveDuplicateVertex(surface);
bool oriented,orientable;
tri::UpdateTopology<MeshType>::FaceFace(surface);
tri::Clean<MeshType>::OrientCoherentlyMesh(surface,oriented,orientable);
}
static void ProfileWithCap(MeshType &profile, MeshType &surface, const Point3f offset)
{
Similarityf tra;
tra.SetTranslate(offset);
ProfileWithCap(profile,surface,tra);
}
}; // end class
} // end namespace tri
} // end namespace vcg
#endif // EXTRUDE_H