
It's pretty hard to achieve with dynamic light when you have multiple angled walls.
Moderator: GZDoom Developers
Spoiler:And here it is with a subtractive filter:
Spoiler:Which of these look better? Notice with the multiplicative you don't lose the details, just the brilliance. The subtractive one, however, looks like the amateur fading algorithms that used to be present back in the DOS days before people actually discovered how to do them more accurately.