WASD to move Q to switch between tank and conventional controls M to toggle the map editor L to load map strings K to generate a map string Typing "clear" in the map string input will clear the map Typing in 1-4 to the map string input will take you to preset levels!
Found this raycaster, and decided to make a level editor for it. I hadn't really seen a DDA raycaster on scratch before, and I really like the barrel distortion. It runs lots better than most I've seen too!