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added FaceFauxCrease and other small helper for managing faux edges

This commit is contained in:
Paolo Cignoni 2010-03-23 07:23:32 +00:00
parent d55a1069de
commit b4857331f6
1 changed files with 28 additions and 1 deletions
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29
vcg/complex/trimesh/update/flag.h
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@ -157,7 +157,7 @@ static void VertexSet(MeshType &m, unsigned int FlagMask)
static void FaceSet(MeshType &m, unsigned int FlagMask)
{
FaceIterator fi;
for(fi=m.vert.begin(); fi!=m.vert.end(); ++fi)
for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
if(!(*fi).IsD()) (*fi).Flags() |= FlagMask ;
}
@ -167,11 +167,13 @@ static void VertexClearV(MeshType &m) { VertexClear(m,VertexType::VISITED);}
static void VertexClearB(MeshType &m) { VertexClear(m,VertexType::BORDER);}
static void FaceClearV(MeshType &m) { FaceClear(m,FaceType::VISITED);}
static void FaceClearB(MeshType &m) { FaceClear(m,FaceType::BORDER012);}
static void FaceClearF(MeshType &m) { FaceClear(m,FaceType::FAUX012);}
static void VertexSetV(MeshType &m) { VertexSet(m,VertexType::VISITED);}
static void VertexSetB(MeshType &m) { VertexSet(m,VertexType::BORDER);}
static void FaceSetV(MeshType &m) { FaceSet(m,FaceType::VISITED);}
static void FaceSetB(MeshType &m) { FaceSet(m,FaceType::BORDER);}
static void FaceSetF(MeshType &m) { FaceSet(m,FaceType::FAUX012);}
/// \brief Compute the border flags for the faces using the Face-Face Topology.
@ -415,7 +417,32 @@ static void VertexBorderFromFace(MeshType &m)
}
}
}
//
static void FaceFauxCrease(MeshType &m,float AngleRad)
{
assert(HasPerFaceFlags(m));
assert(HasFFAdjacency(m));
typename MeshType::FaceIterator f;
//initially everything is faux (e.g all internal)
FaceSetF(m);
for(f=m.face.begin();f!=m.face.end();++f)
{
if(!(*f).IsD())
{
for(int z=0;z<(*f).VN();++z)
{
if( face::IsBorder(*f,z) ) (*f).ClearF(z);
else
{
if(Angle((*f).N(), (*f).FFp(z)->N()) > AngleRad)
(*f).ClearF(z);
}
}
}
}
}
}; // end class