Creates a triangular Bezier surface.
Creates a triangular Bezier surface using a user specified group of points as the control points of the Bezier. The order of the points is important for creating the surface. The number of points should be (order+1)*order/2. Order 4 requires 10 points, order 3 6 points, and order 2 (a triangle) 3 points. Extra points are ignored.
The order of the points should be as follows for an order 4 patch:
0 |\ 1-2 |\|\ 3-4-5 |\|\|\ 6-7-8-9
This is the points, in order, to be used.
This is the order of the resulting patch.