<jer### [at] atosorigincom> wrote:

> Or for the strange people which wants to play with negative fog (what is it, 
> I do not know), protect only against 0.0 , if they are really to be pleased.

I never meet such strange people however if it is not forbiden within formula
then I think there should be gate for negative values. Perhaps in the future
some artistic results could be achived with this. Just like not bounding bouding
object is used sometimes.

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

Post a reply to this message