public void FindCoincidentEdges(ProBuilderMesh mesh)
{
if (m_coincidentEdges.Count != 0)
{
return;
}
Dictionary <Vector3Tuple, HashSet <Edge> > coordinateToEdges = new Dictionary <Vector3Tuple, HashSet <Edge> >();
IList <Face> faces = mesh.faces;
IList <Vector3> positions = mesh.positions;
int faceCount = mesh.faceCount;
for (int i = 0; i < faceCount; i++)
{
ReadOnlyCollection <Edge> edges = faces[i].edges;
for (int n = 0; n < edges.Count; n++)
{
Edge edge = edges[n];
Vector3Tuple tuple = new Vector3Tuple(positions[edge.a], positions[edge.b]);
HashSet <Edge> hs;
if (!coordinateToEdges.TryGetValue(tuple, out hs))
{
hs = new HashSet <Edge>();
coordinateToEdges.Add(tuple, hs);
}
if (!hs.Contains(edge))
{
hs.Add(edge);
}
}
}
m_coincidentEdges.Clear();
foreach (HashSet <Edge> edges in coordinateToEdges.Values)
{
foreach (Edge edge in edges)
{
m_coincidentEdges.Add(edge, edges);
}
}
}
public bool Equals(Vector3Tuple other)
{
return((a == other.a && b == other.b) ||
(a == other.b && b == other.a));
}
