Left and Right turn you left and right. Up moves you forward. This is an approximation of Raycaster Experiment (True Math). Fuzziness affects the quality and run time. Raycaster Experiment (True Math): https://scratch.mit.edu/projects/1116293266/ Even less glitchy (still glitchy): https://scratch.mit.edu/projects/1116334941/
I watched the first half of https://www.youtube.com/watch?v=Vihr-PVjWF4&list=PLy4zsTUHwGJKolO9Ko_j6IStFIJnTYBul&index=2 . Then, I wandered off into math, making the walls and floor the correct color mathematically.