TRACE_EYE |
THE BOX'S MAIN HELP: This function returns a color. It casts an eye ray from point org in direction dir. ORG (input): This must be a point. This is the origin of the cast ray. The default is state->point, the surface point being shaded. DIR (input): Must be a vector. This is the direction of the cast ray. The default is state->dir, the cast ray. OUT (output): This function returns the color of the cast ray. |
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