The creator of the raycaster engine for SmileBASIC is Calc84maniac (I believe). He released a game with a 3d raycasting library, in the library, there are instructions on how to use it. I, personally, did not assemble a raycaster from the library, but recieved one assembled from a person on Miiverse. I have done all the work of placing enemies, gun, music, dark fog (from raycast lib), and other...