this post was submitted on 23 Jun 2025
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It's not a trick, it's just lighting done the way it should be done without all the tricks we need now like Subsurface scattering or Screen space reflections.
The added benefit is that materials reflect more of their natural reflection making all the materials look more true to life.
Its main drawback is that it's GPU costly, but more and more AAA games are now moving toward RT as standard by being more clever in how it handles its calculations.
Subsurface scattering is not one of the things you get automatically with ray tracing. If you just bounce the rays off objects as would be the usual first step in implementing ray tracing you don't get any light penetration into the object, so none of that depth.
Maybe you meant ambient occlusion?
This. Personally I think you can't really expect gamers to know all of that. The only reason I know this particular fact is cause I'm using Blender. It's a bit paradox, but really just pointless to talk about the technical details of games with gamers.