AMBIENT

THE BOX'S MAIN HELP:

This function returns a color.  OUT = Ka * AMB.
The color is the co-efficient Ka multiplied by the surface color AMB.

Ka (input):

Must be a float.
This is the co-efficient for the ambient function.
It controls the intensity of the returned color.
For best results Ka should range from [0,1].  Defaults to 0.1.

AMB (input):

Must be a color.  This is the surface color.

OUT (output):

This function returns a color.  OUT = Ka * AMB.
The color is the co-efficient Ka multiplied by the surface color AMB.

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