sunverwerth / ray

Toy path tracer in c++

Ray

Ray is a CPU path tracer written in c++

Used libraries

• SDL2
• stb_image
• tiny_obj_loader

Features

• Multithreaded rendering
• Explicit area light sampling
• Depth of field
• Cosine weighted hemisphere sampling
• Russian roulette path termination
• Interactive controls
• Objects
  • Cubes
  • Spheres
  • Planes
  • Quads
  • Triangle meshes (.obj and Quake2 BSP)
  • RGBE Environment maps
• Material system
  • base color
  • emissive color
  • roughness
  • opacity
  • metallicity
  • index of refraction

Controls

• Click and drag to pan camera
• Arrow keys to move camera
• Scroll wheel to adjust aperture size
• Click to set focal plane
• +/- to adjust exposure

More examples