Raycasting tech demo.
Controls:
- ARROWS to move
- 'm' to toggle map
- 'f' to toggle the 'fisheye' view
- 'w' and 's' to increase/decrease FOV
- 't' to toggle between textured and untextured raycasting
- 'g' to generate a maze with hunt and kill algorithm
TODO: sprites, directional sprites, doors, secrets, fog, enemies, ...
Sources:
- https://permadi.com/1996/05/ray-casting-tutorial-table-of-contents/
- https://lodev.org/cgtutor/raycasting.html
- https://github.com/wernsey/lodev-enhance
