I guess you are storing the light_source location in a variable, and
calculate the flare point from that in relation to the object.

The idea has potential. I'd like to see, for example, the ocean light up in
pretty flares on a sunny day. In real life, THAT is so beautiful!

Will you calculate the ior values as well? And I expect it's restricted to
light_sources; no global illumination.

A kind of postprocessing would be great, too.

Regards,
Hugo

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