On Wed, 12 Dec 2001 13:29:15 +0100, "Marc-Hendrik Bremer"
<Mar### [at] t-onlinede> wrote:

>Tim Nikias schrieb in Nachricht <3C1745B9.66BB82A3@gmx.de>...
>
> > Now, when I
> > want to place the next object, it should also consider the new object I just
> > placed. And this goes on and on, perhaps inside a loop?
>
>
> I would say: Just union{} the new Object with the old union{}. This way you
> can always trace() against the same object. No arrays needed IMO.

Without arrays with previous parameters intersection testing is much more
complicated. But probably possible.

ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)&_((x+y)*.7,z,.1)&_((x+y+2)*.7,z,.1)&_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35

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