Warp <war### [at] tagpovrayorg> wrote in message news:3a66d364@news.povray.org...
> J-Print News <vir### [at] iconcoza> wrote:
> : I'd like to know the mathematical functions to do all of the above.
>
>   You are asking for much. Both, raytracing and tesselating of isosurfaces
> is a quite complicated process, quite impossible to explain briefly.
>
> --
> char*i="b[7FK@`3NB6>B:b3O6>:B:b3O6><`3:;8:6f733:>::b?7B>:>^B>C73;S1";
> main(_,c,m){for(m=32;c=*i++-49;c&m?puts(""):m)for(_=(
> c/4)&7;putchar(m),_--?m:(_=(1<<(c&3))-1,(m^=3)&3););}    /*- Warp -*/ -
Yup this looks quite complicated  :)


Not raytracing. I just need the mathematical functions to work out if a
point is on the surface.

Sorry for the misunderstanding.

Thanks

Nekar

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