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 scalar. Default is 4.0. This controls the frequency of the feathers. Larger number generate a rippling pattern. OCT (input): This must be an integer. Default is 4. 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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