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Added EdgeBarycentricToFaceBarycentric to convert an edge position into a face barycentric position

This commit is contained in:
Paolo Cignoni 2013-06-24 07:31:11 +00:00
parent 5049407069
commit 49d759af2a
1 changed files with 35 additions and 26 deletions
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11
vcg/complex/algorithms/update/topology.h
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@ -42,6 +42,7 @@ class UpdateTopology
public: public:
typedef UpdateMeshType MeshType; typedef UpdateMeshType MeshType;
typedef typename MeshType::ScalarType ScalarType;
typedef typename MeshType::VertexType VertexType; typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::VertexPointer VertexPointer; typedef typename MeshType::VertexPointer VertexPointer;
typedef typename MeshType::VertexIterator VertexIterator; typedef typename MeshType::VertexIterator VertexIterator;
@ -95,7 +96,15 @@ inline bool operator == ( const PEdge & pe ) const
{ {
return v[0]==pe.v[0] && v[1]==pe.v[1]; return v[0]==pe.v[0] && v[1]==pe.v[1];
} }
/// Convert from edge barycentric coord to the face baricentric coord a point on the current edge.
/// Face barycentric coordinates are relative to the edge face.
inline Point3<ScalarType> EdgeBarycentricToFaceBarycentric(ScalarType u) const
{
Point3<ScalarType> interp(0,0,0);
interp[ this->z ] = u;
interp[(this->z+1)%3] = 1.0f-u;
return interp;
}
}; };
// Fill a vector with all the edges of the mesh. // Fill a vector with all the edges of the mesh.