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> > Thus, better and better approximations would tend to a more and more
> > opaque object which take longer and longer to render. I'd say; skip
> > the transparency. :)
>
> Um, with better approximations, the volume the ray passes through will
> decrease, and the sponge will become more and more *transparent*. You
> will get a fainter and fainter image of the sponge, until it is
> invisible. But as I said above, I'm only interested in an approximation,
> maybe 3-5 levels...a real sponge would be impossible.
I'd have thought that would depend on the material being used to make
said sponge? With a transparent but reflective material, surely internal
reflections would build up to the point where they would overpower and
obscure any view through the sponge?
I could be wrong though...
Bye for now,
Jamie.
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