BRUSHED

THE BOX'S MAIN HELP:

This function returns a pattern which resembles the brushstokes in paint.
PP is the seed to the turbulence function.
DIR is the axis the brushstrokes run along.
FQ controls the frequency of brushstokes.
LEN controls the length of the brushstokes.
OCT is the number of interations through the turbulence function.

PP (input):

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

DIR (input):

This must be a string.  The default is x.
The brushstrokes running along this axis.

FQ (input):

This must be a scalar. The default is 40.
This controls the density of the brushstokes.
Larger numbers generate a finer pattern.

LEN (input):

This must be a scalar. The default is 30.
This controls the length of the brushstokes.
Smaller numbers generate a speckled pattern.

OCT (input):

This must be an integer. The default is 4.
This is the number of interations through the turbulence function.

OUT (output):

This function returns a brushed pattern.

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