BoundingFrustum f = new BoundingFrustum(new Matrix(1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 2));
            Vector3[] array = f.GetCorners();
            Vector3 testVector;
            for (int i = 0; i < array.Length; i++)
                Console.WriteLine(array[i].ToString());