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 controlling the direction of the brushstrokes.
FQ controls the frequency of brushstokes.
LEN controls the length of the brushstokes.

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 string chooses the axis x, y or z for the direction
of the brushstrokes.  The default is the x axis.

FQ (input):

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

LEN (input):

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

OUT (output):

This function returns a brushed pattern.

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