>   1. The photons are not supporting spotlights right now (spotlights are
> handled just like point lights). I suppose you will add that feature in
> the near future.

I think he mentioned a few days ago that he plans on adding that
eventually.
 
>   2. The photons do not interact with atmospheric (scattering) media. I
> suppose you will add that feature too (or is it possible at all?).

There's already some code to do this, but it's commented out in the
source.  I haven't worked up the nerve to try it out yet (maybe today).
It's not only possible to get it to interact with media - there is a way
to store photon IN media.  As has been mentioned before it apparently
very slow to do this though.
 
>   3. Are you going to add support for area lights and how?

I think I saw some code for diffuse interreflection that isn't used yet.
It's probably incomplete at this point.
 
>   4. What's the meaning of life?

To render and render often.

-Mike

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