arrows for camera and zqsd+eq to move https://turbowarp.org/710006374
DDA is a raycasting system that allows to calculate rays way faster with infinite precision, it is used in games like wolfenstein 3D or DOOM (edit: it is not) DDA routine by @peter1876 : https://scratch.mit.edu/projects/482810669/ My raycaster studio: https://scratch.mit.edu/studios/31755435/
