private static void MakeMonotone(Face face, IDictionary <int, VertexType> vertTypes)
{
var vertices = new List <Vertex>(_geometry.GetFaceVertices(face.Handle));
var sortedVertices = GetSortedVertices(_geometry, face, vertices.ToList());
var faceHalfEdges = _geometry.GetFaceHalfEdges(face.Handle).ToList();
var newFaces = new List <Face>();
_triSweepLineStatus = new TriSweepLineStatus();
while (sortedVertices.Count != 0)
{
var current = sortedVertices[0];
_triSweepLineStatus.UpdateNodes(current);
switch (vertTypes[current.Handle])
{
case VertexType.StartVertex:
HandleStartVertex(face, current, faceHalfEdges);
break;
case VertexType.EndVertex:
HandleEndVertex(current, faceHalfEdges, newFaces);
break;
case VertexType.SplitVertex:
HandleSplitVertex(face, current, faceHalfEdges, newFaces);
break;
case VertexType.MergeVertex:
HandleMergeVertex(face, current, faceHalfEdges, newFaces);
break;
case VertexType.RegularVertex:
HandleRegularVertex(face, current, faceHalfEdges, newFaces);
break;
default:
throw new ArgumentOutOfRangeException();
}
sortedVertices.RemoveAt(0);
}
}