Working On A Raycasting Engine

So you spent three weeks learning trigonometry, diving into DDA algorithms, and debugging why your walls look like a Salvador Dalí painting, only to realize John Carmack did this in 1992 on hardware that had less computing power than your smart toaster. And he did it while probably eating pizza and writing assembly like it was a casual Tuesday.

The "box of triangles" bit hits different when you realize modern game engines abstract all this pain away with their fancy rendering pipelines, but back then? Carmack was literally casting rays and doing trigonometric calculations per pixel to fake 3D in Wolfenstein 3D. No GPU acceleration, no Unity, no "just import Three.js"—just raw math and the will to make demons shootable.

Meanwhile, you're here in 2024 with Stack Overflow, ChatGPT, and 64GB of RAM, still struggling to get your raycaster to not crash when you look at a corner. Humbling stuff.