Geoff Wedig wrote:
> Well, I've been considering a whirlpool. If I can work out an iso funtion,> I'll do it.
This should come close -
#declare Vortex = function{1/((x^2)+(z^2)+0.3)+sin(atan2(x,z)*7+y*10)*0.025}
#declare Vortex1 =
isosurface {
function {y+Vortex(x,-y,z)}
threshold 0
accuracy 0.00001
max_gradient 3.9
contained_by {box {<-5,-4.99,-5>, < 5, 0.01, 5>}}
}
--
Ken Tyler