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"Bald Eagle" <cre### [at] netscape net> wrote:
>...
> Obviously there have been many requests for vector functions, and that leads me
> to bring this up:
> #macro eval_pigment(pigm, vec)
> #local fn = function { pigment { pigm } }
> #local result = (fn(vec.x, vec.y, vec.z));
> result
> #end
>
> Somehow this magically returns a vector quantity, rather than a scalar. :O
Bill,
Have you seen these sections in the documentation ?
Declaring User-Defined Vector Functions
https://www.povray.org/documentation/3.7.0/r3_3.html#r3_3_1_8_4
Declaring User-Defined Color Functions
https://www.povray.org/documentation/3.7.0/r3_3.html#r3_3_1_8_5
--
Tor Olav
http://subcube.com
https://github.com/t-o-k
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