"Bald Eagle" <cre### [at] netscapenet> wrote:

> Of course you could do it with spheres and CSG as well.
.....
> I'd say that you'd want that extended "blooping" of a forcibly extruded air
> bubble in water, though.

I'm at work, and my brain is slow ---

this would probably best be done using BLOBS, since that would give you
excellent bounding plus some of that "blooping" effect with spheres that were
semi-detached from the main mass.

Alternatively, you might consider using a cone or capped cylinder isosurface for
the bubbles and perturb the surface with a fractal noise function.

- BE

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