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Alain <ele### [at] netscape net> wrote:
> In the interior block, you need not only face_color but also fade_distance, and
> fade_power.
>
> fade_color control what color to fade to.
> fade_distance controls the distance, in units, over whitch the face_color
> contribute to half of the final coloration.
> fade_power controls the "shape" of the atenuation curve. This should normaly be
> set to 1 OR 1001. Both are correct. 1 is a linear atenuation 1001 is an
> exponential atenuation.
That's a nice summary of the documentation. I could've done that.
My problem is that I can't relate fade_color to the appearance of the object.
It obviously controls the color, but in what manner?
Say I want a muted green color. I try some numbers for fade_power,
fade_distance, and fade_color, and I get a smoky moss gray. I tweak the
numbers a bit and end up with an overpowering emerald green. I try to tone it
down a bit and end up with black with bright green fringes. And so on. It's
like throwing clay at a wall repeatedly, and hoping that a flower pot will come
out.
The root problem--at least for me--is that fade_color is not in either of the
attenuation formulas as documented. Because of this, I just can't figure out
how fade_color will affect the attenuation. That's what I'd like to know.
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