Returns a position in the bounding box for parameterized values u and v between 0.0 and 1.0 where (0.5, 0.5) is the center of the bounding box.
Returns a position in the bounding box for a parameterized uv value between (0.0, 0.0) and (1.0, 1.0) where (0.5, 0.5) is the center of the bounding box.