Pseudo 3D Raycasting in GameMaker Studio

Описание: Other trial with old style pseudo 3D, I have just copied and translated the open source raycasting method to GML. Something still to be corrected but fun to watch.
It is the very simplified version of Wolfenstein 3D solution from 1992.

Raycasting tutorial (not GameMaker):
https://lodev.org/cgtutor/raycasting....