public void ReplaceEdge(ECEdge from, ECEdge to)
{
for (int i = 0; i < 3; i++)
{
if (AdjEdges[i] == from)
{
AdjEdges[i] = to;
to.LinkFace(this);
}
else if (AdjEdges[i] == from.Twin())
{
AdjEdges[i] = to.Twin();
to.Twin().LinkFace(this);
}
}
MarkPlaneInvalid();
}
public ECEdge CreateEdge(ECVertex v1, ECVertex v2)
{
ECEdge e = new ECEdge(v1, v2);
Edges.Add(e);
e.UId = Edges.Count - 1;
e.Twin().UId = e.UId;
ValidEdgesCount++;
return(e);
}
public void MayFixFace(ECFace face)
{
ECVertex v0 = face.GetVertex(0);
ECVertex v1 = face.GetVertex(1);
ECVertex v2 = face.GetVertex(2);
ECEdge e0 = face.GetEdge(0);
ECEdge e1 = face.GetEdge(1);
ECEdge e2 = face.GetEdge(2);
bool a = (v0 == v1);
bool b = (v0 == v2);
bool c = (v1 == v2);
if (a && c)
{
KillEdge(e0);
KillEdge(e1);
KillEdge(e2);
KillFace(face);
}
else if (a)
{
KillEdge(e0);
e1.ReplaceBy(e2.Twin());
KillFace(face);
}
else if (b)
{
KillEdge(e2);
e0.ReplaceBy(e1.Twin());
KillFace(face);
}
else if (c)
{
KillEdge(e1);
e0.ReplaceBy(e2.Twin());
KillFace(face);
}
}