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Chris Huff wrote:
> > Doesn't it also bend light away from the center of the flame? IIRC
>
> The different densities will cause the ior to be different, refracting
> light...maybe not always away from the center. However, this is variable
> ior, a pretty difficult and processor-intensive effect.
give me a second to think about this...ok
Does a suspension refract? It's a suspension of smoke particles in air, and
the ior of the air is the same inside the flame.
Heat also refracts light, like the puddle-on-the-road mirage. So light would
bend away from the center of the flame, no?
--
David Fontaine <dav### [at] faricy net> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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