Wolfenstein 3D like raycaster using Macroquad in Rust running on the web

Controls

• WASD to move
• Arrow keys to turn/look around (or mouse)
• Arrow keys to turn/look around
• Click inside window to enable mouse grab
• Tab to release mouse grab

Features

• Digital differential analyser (DDA) raycaster
  • Like Wolfenstein 3D
  • Only uses the CPU!
• Textured walls
  • Multiple textures supported
• Ability to look up and down
• Fog effect
• Wall collisions
• This was mostly a proof of concept
  • The math was actually pretty fun to figure out and I have used the reverse of it (screen positions to angles, distances, etc) for robotics 

Copyright stuff

Textures are from ID Software's Wolfenstein 3D