public ECEdge(ECVertex v1, ECVertex v2)
{
this.v1 = v1;
v1.LinkEdge(this);
AdjFace = new List <ECFace>(2);
twin = new ECEdge(this, v2);
}
public void ReplacePoint(ECVertex from, ECVertex to)
{
if (OrgV() == from)
{
v1 = to;
to.LinkEdge(this);
}
else if (DestV() == from)
{
twin.v1 = to;
to.LinkEdge(twin);
}
else
{
throw new Exception();
}
for (int i = 0; i < AdjFace.Count; i++)
{
AdjFace[i].MarkPlaneInvalid();
}
}
