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Added UpdateColor::VertexFromFace and UpdateColor::FaceFromVertex

This commit is contained in:
Paolo Cignoni 2008-10-14 13:41:37 +00:00
parent dddce06a72
commit 6f1e8d0641
1 changed files with 55 additions and 0 deletions
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55
vcg/complex/trimesh/update/color.h
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@ -93,6 +93,61 @@ typedef typename UpdateMeshType::FaceType FaceType;
typedef typename UpdateMeshType::FacePointer FacePointer;
typedef typename UpdateMeshType::FaceIterator FaceIterator;
class ColorAvgInfo
{
public:
unsigned int r;
unsigned int g;
unsigned int b;
unsigned int a;
int cnt;
};
static void VertexFromFace( UpdateMeshType &m)
{
ColorAvgInfo csi;
csi.r=0; csi.g=0; csi.b=0; csi.cnt=0;
SimpleTempData<typename UpdateMeshType::VertContainer, ColorAvgInfo> TD(m.vert,csi);
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi)
if(!(*fi).IsD())
for(int j=0;j<3;++j)
{
TD[(*fi).V(j)].r+=(*fi).C()[0];
TD[(*fi).V(j)].g+=(*fi).C()[1];
TD[(*fi).V(j)].b+=(*fi).C()[2];
TD[(*fi).V(j)].a+=(*fi).C()[3];
++TD[(*fi).V(j)].cnt;
}
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD() && TD[*vi].cnt>0 )
{
(*vi).C()[0] = TD[*vi].r / TD[*vi].cnt;
(*vi).C()[1] = TD[*vi].g / TD[*vi].cnt;
(*vi).C()[2] = TD[*vi].b / TD[*vi].cnt;
(*vi).C()[3] = TD[*vi].a / TD[*vi].cnt;
}
}
static void FaceFromVertex( UpdateMeshType &m)
{
FaceIterator fi;
for(fi=m.face.begin();fi!=m.face.end();++fi) if(!(*fi).IsD())
{
Color4f avg = (Color4f::Construct((*fi).V(0)->C()) +
Color4f::Construct((*fi).V(1)->C()) +
Color4f::Construct((*fi).V(2)->C()) )/ 3.0;
(*fi).C().Import(avg);
}
}
/// \brief Color the vertexes of the mesh that are on the border
/**