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Added FFlip() and const VFlip() operators

This commit is contained in:
Paolo Cignoni 2006-12-04 16:06:12 +00:00
parent 9effd53926
commit c680da71f9
1 changed files with 21 additions and 0 deletions
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21
vcg/simplex/face/pos.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.24 2006/11/13 01:57:23 cignoni
Added a missing prototype to ismanifold
Revision 1.23 2006/11/09 17:22:56 cignoni
Added ismanifold
@ -276,6 +279,24 @@ public:
else return f->V((z+1)%3);
}
// return the vertex that it should have if we make FlipV;
const VertexType *VFlip() const
{
assert(f->cV((z+2)%3)!=v && (f->cV((z+1)%3)==v || f->cV((z+0)%3)==v));
if(f->cV((z+1)%3)==v) return f->cV((z+0)%3);
else return f->cV((z+1)%3);
}
// return the face that it should have if we make FlipF;
const FaceType *FFlip() const
{
assert( f->FFp(z)->FFp(f->FFi(z))==f );
assert(f->V((z+2)%3)!=v && (f->V((z+1)%3)==v || f->V((z+0)%3)==v));
FaceType *nf=f->FFp(z);
return nf;
}
// Trova il prossimo half-edge di bordo (nhe)
// tale che
// --nhe.f adiacente per vertice a he.f