The fraction κ of the screen shift to keep: the stricter of the two axis factors, so the shaped shift points the same way as the unshaped one.
κ
Unshifted NDC position [x, y] (inside [-1, 1] for a visible fragment).
[x, y]
[-1, 1]
Unshaped NDC shift [x, y].
The fraction
κof the screen shift to keep: the stricter of the two axis factors, so the shaped shift points the same way as the unshaped one.