Simple Rust CPU raytracer

A simple, homebrewed, CPU-powered path tracer. It's not meant to be good path tracer, It's meant to teach me Rust.

Controls

Movement: W A S D LShift Space

Orientation: Mouse

Zoom: Z X

Focus distance: J L

Aperture size: I M

Toggle autofocus: N

Toggle overlays: U

Toggle depth pass: Enter

Preview

Missing features / To do / Wishlist

Optimization:

• Bounding volume hierarchy
• Precomputed blue noise sample mask
• Cache optimization
• Micro optimizations

UI:

• Options menu
• Improved Bresenham implementation
• Possibly switch frame buffer implementation

Raytracing features:

• Spectral rendering
• Lens effects:
  • Logitudinal achromatic / chromatic aberration
  • Lateral chromatic aberration
  • Spherical aberration
  • Customizable bokeh shapes
• GPU post-processing effects:
  • Bloom
• Scrambled Sobol
• Multiple importance sampling
• Bidirectional path tracing
• Refraction

Stretch goals:

• Metropolis light transport
  • (Automatic parameter control)
• Customizable reflectance distribution functions
• Polygon support
• Translucency
• Subsurface Scattering
• Proper PBR implementation
• Textures
• Normal mapping