Christian Froeschlin <chr### [at] chrfrde> wrote:
> that sounds like the correct solution. Although by default,
> ambient probably needs to remain emissive as well for backward
> compatibility. Radiosity scenes using "emission" can then set
> ambient_light to 0 without losing their light sources.

I didn't think of that, but yes - of course. That's the solution to maintaining
backward compatibility.

Add a deprecation warning if ambient_light is set to anything other than 0 in a
radiosity scene, to encourage people shifting to the "emission" mechanism.


BTW, I also suggest adding an "emission" statement to the sky_sphere, so the
brightness of e.g. a HDR light probe can be tweaked without resorting to a
"real" sphere.

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