Severi Salminen wrote:
> Do you know if
> "normal" reflections happen (about) equally when going from less dense
> medium to denser medium when compared to opposite situation?

  Sorry, I'm not too acquainted with the specifics of the physics
involved...

> And my renderer
> still misses many important features that make the image look realistic.

  Speaking of which, does it handle total internal reflection properly?

  (OTOH, that would also be something which should be specified with a
physically accurate BRDF instead of being hard-coded into the renderer...)

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