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added HasConsistentPerWedgeTexCoord

This commit is contained in:
Paolo Cignoni 2008-03-06 08:37:16 +00:00
parent 8feedff976
commit 378008bc5e
1 changed files with 37 additions and 0 deletions
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37
vcg/complex/trimesh/clean.h
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.56 2008/01/24 11:52:05 cignoni
corrected small bug in RemoveDuplicateVertex
Revision 1.55 2007/10/29 11:32:46 cignoni Revision 1.55 2007/10/29 11:32:46 cignoni
Added a missing IsD() test Added a missing IsD() test
@ -1099,6 +1102,40 @@ private:
return true; return true;
} }
/**
This function simply test that a mesh has some reasonable tex coord.
*/
static bool HasConsistentPerWedgeTexCoord(MeshType &m)
{
if(!HasPerWedgeTexCoord(m)) return false;
for (FaceIterator fi = m.face.begin(); fi != m.face.end(); ++fi)
if(!(*fi).IsD())
{ FaceType &f=(*fi);
if( ! ( (f.WT(0).N() == f.WT(1).N()) && (f.WT(0).N() == (*fi).WT(2).N()) ) )
return false; // all the vertices must have the same index.
if((*fi).WT(0).N() <0) return false; // no undefined texture should be allowed
}
return true;
}
/**
Simple check that there are no face with all collapsed tex coords.
*/
static bool HasZeroTexCoordFace(MeshType &m)
{
if(!HasPerWedgeTexCoord(m)) return false;
for (FaceIterator fi = m.face.begin(); fi != m.face.end(); ++fi)
if(!(*fi).IsD())
{
if( (*fi).WT(0).P() == (*fi).WT(1).P() && (*fi).WT(0).P() == (*fi).WT(2).P() ) return false;
}
return true;
}
//test real intersection between faces //test real intersection between faces
static bool TestIntersection(FaceType *f0,FaceType *f1) static bool TestIntersection(FaceType *f0,FaceType *f1)
{ {