/Raytracer

Primary LanguageC++

Raytracer

A WIP toy path tracer for learning.

Samples

Diffuse material:

Glass material:

Multiple importance sampling in a slightly more complicated scene:

Features

  • A monte-carlo pathtracer
  • Diffuse, Specular, Mirror materials
  • OBJ loading
  • GUI to watch in progress render
  • Multithreaded rendering using openMP

TODO

Features

  • Import .obj files
  • Import cubemaps
  • Interactive and movable camera
  • Spectral rendering
  • Scene editing

Bugs

  • Specular refractive index fix

Variance reduction

  • Russian roulette
    • Brightness based russian roulette
  • Hemisphere sampling
  • Multiple importance sampling
  • Low discrepancy sequences

CUDA

  • Use small kernels over a singular megakernel (see jacco blog)
  • Data oriented design (DOD) such that all the attributes of a certain types are arrays

Misc. Optimization

  • Test Vec4