- Whitted style ray tracer
- Monte Carlo path tracer
- Next Event Estimation
- Russian roulette
- Surface lights (spheres, quads)
- Anti-aliasing (multiple samples per pixel)
- Structures
- Plane, sphere, triangle primitives
- Bounding volume hierarchy data structure (automatic construction and traversal)
- Shading
- Diffuse, specular, dielectric material properties
- Predefined materials: air, glass, water, metal, light source
- Bitmap textures
- Pixel accumulator
- Skybox
- Mesh loader (OBJ)
- Scene switcher
- Moveable first-person camera
- Parallelized ray calculation
- Improve render time per frame
- Add realistic camera (e.g. lens simulation for depth of field)
- Add more materials (e.g. micro-faceted)
- Etc
