/// <summary>
/// This will actually make the halfedge and its twin.
/// </summary>
public HalfEdge(Face incidentFace, Face opposingFace)
{
System.Diagnostics.Debug.Assert(incidentFace != null);
System.Diagnostics.Debug.Assert(opposingFace != null);
IncidentFace = incidentFace;
Twin = new HalfEdge(opposingFace);
Twin.Twin = this;
}
private static void CheckOffEdges(List<HalfEdge> checkoff, HalfEdge start)
{
var e = start;
do
{
Assert.IsTrue(checkoff.Remove(e), "tried to pop an edge more than once:" + e);
e = e.Next;
} while (e != start);
}