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On 02/12/2022 21:48, Bald Eagle wrote:
> kurtz le pirate <kur### [at] gmail com> wrote:
>
>> This kind of code is a very big mystery to me :(
>> T-O-K also uses it a lot in his code about complex functions.
>
> It doesn't need to be, and once you understand the basics of how it works, it's
> a very powerful technique that you can use a wide variety of purposes.
>
> You can get a simple idea of how it all works by defining a simple distance
> function to any pixel. vlength (x, y, z) is the Euclidian distance to any
> pixel from the origin.
>
> So just do:
>
> #declare Distance = function {vlength (x, y, z)}
> and then do
>
> plane {z, 0 pigment {function {Distance (x, y, z}}
>
LOL !
2.2.1.6 User-Defined Functions
...Excluded are for example strlen or vlength...
and thank you for this little example that sheds a little
light on my lantern
--
Kurtz le pirate
Compagnie de la Banquise
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