twist.html
You can manipulate the tangent vectors, the twist vector, and the coordinates of one of the four corner vertices of the patch. The vertices of the patch are:
- 0, 0, 0; U Tangent = 6, 0, 6; W Tangent = 0, 3, 3; Twist Vector = 0, 0, 0
- 10, 0, 0; U Tangent = 3, 0, -3; W Tangent = 0, 3, 0; Twist Vector = 0, 0, 0
- 0, 6, 0; U Tangent = 1, 0, 0; W Tangent = 0, 1, 0; Twist Vector = 0, 0, 0
- 10, 0, 0; U Tangent = 3, 0, 0; W Tangent = 0, 1, 0; Twist Vector = 0, 0, 0