public bool SharesCorner(VEdge lastEdge, out Corner sharedCorner)
{
if (lastEdge == this)
{
throw new System.Exception("Trying to find shared corner with self");
}
sharedCorner = null;
if (lastEdge.Contains(start))
{
sharedCorner = start;
}
else if (lastEdge.Contains(end))
{
sharedCorner = end;
}
return(sharedCorner != null);
}
public List <Polygon> GetSharedPolygons(VEdge edge)
{
List <Polygon> shared = new List <Polygon>();
foreach (Polygon poly in polygons)
{
if (edge.Contains(poly))
{
shared.Add(poly);
}
}
return(shared);
}