Christoph Hormann <chr### [at] gmxde> wrote:
> ssssmemyself wrote:
> > [...]
> > #declare Fn_Vector = function(x,y,z) {
> >   Vector_Function(
> >     function{0}
> >     function{
> >       #if (y>RADIUS)
> >         0
> >       #else
> >         #if (y<-RADIUS)
> >           9.81*4/3
> >         #else
> >           9.81*pi*(((y-r)*r*r-1/3*pow(y-r,3))-(-r*r*r-1/3*pow(-r,3)))
> >         #end
> >       #end
> >     }
> >     function{0}
> >   )
> > }
>
> You have some basic misunderstanding of how use of #if in functions work
> - you can not do render time conditionals this way - use select() for this.
>
> --
> Christoph Hormann
> http://www.tu-bs.de/~y0013390/

Whoops! I guess the #if command works more like C precompilers then. Makes
sense, seeing how it starts with a #.

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