Path tracer

$ time ruby cover.rb
writing cover.ppm
[====================] 100%

real	10m12.298s
user	39m22.258s
sys	0m8.533s

Features

• BVH acceleration
• OBJ triangle mesh loading
• Depth of field
• Texture mapping
• Antialiasing
• Parallel processing
• Primitives
  • Sphere
  • Triangle
  • Ground
• Materials
  • Lambertian
  • Metal
  • Dielectric
  • Diffuse light

Installation

rake install

Credits

• Ray tracing book series by Peter Shirley [Book]
• Ray tracing from ground up [Book]