It doesn't have a name yet lmao

For what, exactly? Just asking for tuts is not super specific

I might make it run Wolf3D lmao! That's almost a DOOM game

Oh that's a good idea! I'll certainly try it

If only I could be so grossly incandescent!
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A lot of techniques are engine-specific, but there's also a lot of knowledge that applies to all engines! Shader code and logic, for example, doesn't care what the engine is. But might need to change the code syntax here and there.

Definitely! Thanks for the suggestion!

Ooh stealth enemies is a fun idea!

Not a noob question at all!

I don't think there are any tutorials out there on how to create this particular effect in Godot, but there are a lot of resources available for, say, Unity, as well as Godot's compositor effects! Just gotta put 2 and 2 together.

That's not a bad idea at all!