MOTTLE

THE BOX'S MAIN HELP:

This function returns a mottled pattern.
PP is the seed for the turbulence function.
FQ controls the amount of mottling.

PP (input):

This must be a varying point. The default is the surface point, P.
This is the seed for the turbulence function.

FQ (input):

This must be a float. The default is 2.
This controls the amount of mottling.
Larger numbers generate a more turbulent pattern.

OUT (output):

This function returns a mottled pattern.