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This commit is contained in:
mtarini 2009-09-09 12:26:04 +00:00
parent 0ccb9e8992
commit beb12f0b7c
1 changed files with 34 additions and 9 deletions
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43
vcg/complex/trimesh/bitquad_support.h
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@ -607,8 +607,8 @@ static bool CollapseEdge(FaceType &f, int w0, MeshType& m, Pos *affected=NULL){
FaceTypeP f0 = &f;
assert(!f0->IsF(w0)); // don't use this method to collapse diag.
if (IsDoubletOrSinglet(f,w0)) { RemoveDoubletOrSinglet(f,w0,m, affected); return true;}
if (IsDoubletOrSinglet(f,(w0+1)%3)) { RemoveDoubletOrSinglet(f,(w0+1)%3,m, affected); return true;}
if (IsDoubletOrSinglet(f,w0)) return false; //{ RemoveDoubletOrSinglet(f,w0,m, affected); return true;}
if (IsDoubletOrSinglet(f,(w0+1)%3)) return false; //{ RemoveDoubletOrSinglet(f,(w0+1)%3,m, affected); return true;}
if (affected) {
int w1 = 3-w0-FauxIndex(f0); // the edge whihc is not the collapsed one nor the faux
@ -654,6 +654,7 @@ public:
Iterator(Pos& pos){
if (pos.mode==Pos::NOTHING) {over = true; return; }
start = pos; //FPos(pos.F(), pos.E());
if (start.F()->IsD()) { over = true; return;}
assert(!start.F()->IsD());
if (pos.mode==Pos::AROUND) {
if (start.F()->IsF((start.E()+2)%3))
@ -965,15 +966,39 @@ static int TestEdgeRotation(const FaceType &f, int w0, ScalarType *gain=NULL)
q0 = (v0 - v3).SquaredNorm();
q1 = (v1 - v4).SquaredNorm();
q2 = (v5 - v2).SquaredNorm();
if (q0<=q1 && q0<=q2)
return 0;
if (q0<=q1 && q0<=q2) return 0; // there's no rotation shortening this edge
//static int stop=0;
//static int go=0;
//if ((stop+go)%100==99) printf("Stop: %4.1f%%\n",(stop*100.0/(stop+go)) );
if (q1<=q2) {
if (gain) *gain = q0-q1;
if (gain) *gain = sqrt(q1)-sqrt(q0);
// test: two diagonals should become shorter (the other two reamin the same)
if (
(v0-v2).SquaredNorm() < (v4-v2).SquaredNorm() ||
(v3-v5).SquaredNorm() < (v1-v5).SquaredNorm()
) {
//stop++;
return 0;
}
//go++;
return 1;
} else {
if (gain) *gain = q0-q2;
return -1;
}
{
if (gain) *gain = sqrt(q2)-sqrt(q0);
// diagonal test, as above:
if (
(v0-v4).SquaredNorm() < (v2-v4).SquaredNorm() ||
(v3-v1).SquaredNorm() < (v5-v1).SquaredNorm()
) {
//stop++;
return 0;
}
//go++;
return -1;
}
}