Pattern center X, in [0, 1].
Pattern center Y, in [0, 1].
Chromatic dispersion (per-channel refraction offset), in [0, 1].
Out-of-range edge sampling.
Frosted-glass jitter, in [0, 1].
Refraction pattern.
Smooth the displacement across pattern boundaries, in [0, 1].
Refraction amount.
Width of one strip/cell, as a fraction of the element, in (0, 1].
Pattern rotation, in degrees.