kraptor / beam

A toy raytracer written in Nim

      _______  _______  _______  __   __ 
     |  _    ||       ||   _   ||  |_|  |
     | |_|   ||    ___||  |_|  ||       |
     |       ||   |___ |       ||       |
     |  _   | |    ___||       ||       |
     | |_|   ||   |___ |   _   || ||_|| |
     |_______||_______||__| |__||_|   |_|

-- beam, a toy raytracer implemented in Nim --

---

beam is a raytracer implemented in Nim

The implementation follows closely the book The Ray Tracer Challenge by Jamis Buck.

Implementation:

• Math:
  • Tuples
  • Points
  • 2D and 3D vectors
  • Matrices
  • Transformations
    • Translation
    • Scaling
    • Rotation
    • Shearing
    • Transformation chaining
  • Intersections
    • Hits
• Scene:
  • World
  • Camera
  • Entities:
    • Spheres
    • Planes
• Lighting:
  • Phong Lighting
  • Shadows
  • Point lights
• Patterns:
  • Base patterns
  • Stripe
  • Gradient
  • Checker
  • Ring
  • Extra:
    • Radial
    • Nested
    • Blended
    • Perturbed
• Output formats:
  • PPM
• Tests:
  • Chapter 1
  • Chapter 2
  • Chapter 3
  • Chapter 4
  • Chapter 5
  • Chapter 6
  • Chapter 7
  • Chapter 8
  • Chapter 9
  • Chapter 10
  • Chapter 11
  • Chapter 12
  • Chapter 13
  • Chapter 14
  • Chapter 15
  • Chapter 16

Build

$ nimble build -d:danger -mm:arc

Run tests

$ nimble tests

Run the raytracer

$ nimble run -d:danger -mm:arc