void AddTriangleToRegion(Point[] triangle, int index)
{
bitRegions = 0;
if (TriangleQuadTree.IsPointInTriangle(pivot, triangle[0], triangle[1], triangle[2]))
{
AddToRegion(index, SW);
AddToRegion(index, SE);
AddToRegion(index, NW);
AddToRegion(index, NE);
return;
}
FindTriangleIntersections(triangle, index);
if (bitRegions == 0)
{
// we didn't find any intersection so we add this triangle to a point's region
int region = FindRegion(triangle[0]);
regions[region].triangles.Add(index);
}
}