Live Demo: https://lelserslasers.itch.io/3d-raycaster

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

• Digital differential analyser (DDA) raycaster
  • Like Wolfenstein 3D
• Textured walls
  • With multiple textures
• Minimap
• 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

• WASD to move
• Arrow keys to turn/look around
• R to replay "loading" animation
• Mouse to movement to look around (must click inside window to grab mouse)
• Tab to release mouse grab

• Textures are from ID Software's Wolfenstein 3D

• Speed
  • Only CPU bound?
• Mouse grab on Windows??
• Mouse grab on web?