A 2.5D Raycasting Game Engine

A brand-new, old-school game-engine inspired by the likes of Wolfenstein 3D (1992) and Ultima Underworld: The Stygian Abyss (1992). Uses simple raycasting techniques and a uniform cell grid to render 3D.

Currently in Phase 5:

Animated textures, floor/wall collisions based on surface manifest, walk through doors, and just for fun - sprites - fishing.

Future Goals

• Remake / Demake a Pokemon town in this "engine"
• Add 8bit audio, music blocks/textures that make a sounds on collision
• Procedurally generated worlds
• Texture transparency (ray pass-through to next texture, for things like windows etc)
• Sprites are all square/rectangular like minecraft and always face the player, but can "change direction" by changing the texture currently displayed
• Separate drawing/raycasting logic from window width and height

Previous phases

Phase 4

• Levels are represented in memory as Jagged Arrays (to save memory)
• Wall and Floor maps are just CSV's (So I can quickly make levels in Excel/LibreOffice)
• Wall and Floor textures are represented by strings so I can very quickly iterate
• Walls/Floors are separate CSV's (this needs runtime tests (todo) so memory access doesn't corrupt)
• Textures/Assets are declared via a manifest.json

Phase 3

• Fixed visual artifacts and pixel densities

Phase 2

• Wall collision detection
• Basic texture mapping for walls
• Very warped tetures with many artifacts

Phase 1

• Very basic ray-casting
• No collision detection