Implementing a ray tracer inside the TIC-80.

Trying to implement a ray tracer on the TIC-80 fantasy computer following Ray Tracer in One Weekend.

TODOs

• [X] a function to reassign the entire palette
• [X] a function that renders a frame each pixel
• [X] a function to colour quantise a scanline worth of pixels
  • [X] implement median cut clustering
• [X] draw a frame of scanlines, each with their own palettes, to screen using BDR

Samples

A basic sphere:

A sphere with ground and normal vectors:

Antialiasing:

First diffuse sphere:

Diffuse sphere with shadow acne fix:

Lambertian reflexions:

Gamma correction:

Shiny metal spheres:

Fuzzed metals spheres: