alt Hacker NewsI just watched the associated dev video And if I understand it, what the author is doing is kind of interesting.
The sensor to see a 3d scene is 2d(eye or camera). What is being done here is simulating a 3d sensor(for a 4d world) then we are looking at this 3d sensor using our 2d sensors (eyes). I don't know if this is the common way of rendering these 4d physics simulations. But it is the first I have heard it described this way. It is also why the narrative of the game focuses on eyes, because that is what it is doing.
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Reminds me a bit of a guy who created a functional virtual camera in Blender with lenses and film layers.
I don't want to be the guy who has to use this level editor (although, in a similar way, doom was 2.5d, and so the level editor could essentially be 2d, so maybe it's not so bad?)
If this is 4d doom, i wonder what 4d quake could be
Nitpick - your eyes are, in combination, a 3d sensor. Individually they're 2d sensors, but together they can detect three dimensional information.