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Added PerFace Normal sampling

This commit is contained in:
Paolo Cignoni 2015-10-28 12:52:25 +00:00
parent 4b9df9a889
commit 4efdccf204
1 changed files with 8 additions and 2 deletions
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10
vcg/complex/algorithms/point_sampling.h
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@ -165,8 +165,13 @@ public:
typedef typename MeshType::FaceType FaceType; typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::CoordType CoordType; typedef typename MeshType::CoordType CoordType;
MeshSampler(MeshType &_m):m(_m){} MeshSampler(MeshType &_m):m(_m){
perFaceNormal = false;
}
MeshType &m; MeshType &m;
bool perFaceNormal; // default false; if true the sample normal is the face normal, otherwise it is interpolated
void reset() void reset()
{ {
m.Clear(); m.Clear();
@ -182,7 +187,8 @@ public:
{ {
tri::Allocator<MeshType>::AddVertices(m,1); tri::Allocator<MeshType>::AddVertices(m,1);
m.vert.back().P() = f.cP(0)*p[0] + f.cP(1)*p[1] +f.cP(2)*p[2]; m.vert.back().P() = f.cP(0)*p[0] + f.cP(1)*p[1] +f.cP(2)*p[2];
m.vert.back().N() = f.cV(0)->N()*p[0] + f.cV(1)->N()*p[1] + f.cV(2)->N()*p[2]; if(perFaceNormal) m.vert.back().N() = f.cN();
else m.vert.back().N() = f.cV(0)->N()*p[0] + f.cV(1)->N()*p[1] + f.cV(2)->N()*p[2];
if(tri::HasPerVertexQuality(m) ) if(tri::HasPerVertexQuality(m) )
m.vert.back().Q() = f.cV(0)->Q()*p[0] + f.cV(1)->Q()*p[1] + f.cV(2)->Q()*p[2]; m.vert.back().Q() = f.cV(0)->Q()*p[0] + f.cV(1)->Q()*p[1] + f.cV(2)->Q()*p[2];
} }