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#309 – John Carmack: Doom, Quake, VR, AGI, Programming, Video Games, and Rockets
Lex Fridman Podcast
Ray Casting
It works pretty well but it's not the fastest way of doing it can you describe what ray casting is. So that means that in like the early Wolfenstein levels you're in a small jail cell going out into a small hallway. It's super efficient for that because you're only stepping across three or four blocks. But then if somebody makes a room that covers our maps were limited to 64 by 64 blocks, it would go pretty slow. And then the physics of our universe seems to be competing this very thing so this maps nicely to the actual physics of our world. Yeah you get like I follow a little bit of something like Stephen Wolfram's work on I've interconnected network information states
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