Raycasting Textures

Posted by ALB42 on 1. November 2020No Comments

A little bit improvement of the raycaster engine, now with simple texture mapping included. I had to invent some fixed point mathematics to make it fast enough on real m68k Amiga but still it works nicely and just a bit slower. I found a little bug in FreePascal when using functions Trunc() or Frac(), but Charlie thankfully saved the day and made a super quick fix of it.

Again a little video on my Amiga 1200 (68030/50Mhz, 68882/50Mhz, 32 color AGA Screen) and it’s still a single source code file of less than 20kb size (many of them are comments 😉 ). and the executable is less than 100k, not bad especially because I did not optimize for size, just for speed

Again the source to download: raycaster with Texture executable for m68k Amiga and FPU with source code.

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