"syngola" <syn### [at] gmx de> wrote:
> some random placed bubbles in a sphere...
Looks nice.
Based on the reflections, I would guess you are using regular reflection as
opposed to variable. Glass especially looks nice with variable reflection (I
prefer fresnel reflection even). The reflection should be more evident around
the edge of the sphere where it would appear more reflective. Without
variable, glass tends to look kind of flat.
Another tip if you find subtracting a large number of spheres from another
sphere to be really slow to render (here you don't have a huge number, but it
may still be noticeable). The issue is with bounding box checking on each
individual sphere. Unioning the spheres doesn't help. Manual bounding boxes
will help a little. I find the best though is to subtract a group of blob
spheres rather than regular spheres. POV sees only one bounding box for the
group and will render much faster.
-tgq
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