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Welcome to the OTO wiki!

Code architecture:

1. init rays
2. init objects
3. run ray-tracing
4. display objects
5. display ray paths

Pseudo-code for Ray-tracing

function ray_tracing()

  for each #ray in #ray_bundle
    [#reflect_ray,#refract_ray,#terminated] = find_next_ray(#ray)
    unless (#terminated)
      add_rays(#reflect_ray)
      add_rays(#refract_ray)
    end_of_unless
  end_of_for

whitepapers for the basic knowledge on geometry and optics.

• Calculating a surface normal https://en.wikipedia.org/wiki/Normal_(geometry)
• Optics Book - https://users.physics.ox.ac.uk/~ewart/Optics%20Lectures%202007.pdf