FEATHERY

THE BOX'S MAIN HELP:

This function returns a feathery pattern which range over [-1,1].
PP  is the seed to the turbulence function.
FQ  controls the frequency of the feathers.
OCT controls the amount of turbulence in the feathers.

PP (input):

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

FQ (input):

This must be a float.  Default is 4.0.
This controls the frequency of the feathers.
Larger number generate a rippling pattern.

OCT (input):

This must be a float.  Default is 4.0.
This controls the amount of turbulence in the feathers.
Larger number generate a rippling pattern.

OUT (output):

This function returns a feathery pattern which range over [-1,1].

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