Class: Rubytracer::Camera

Inherits:
Object
  • Object
show all
Defined in:
lib/rubytracer/camera.rb

Instance Method Summary collapse

Constructor Details

#initialize(view, scene) ⇒ Camera

Returns a new instance of Camera.



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# File 'lib/rubytracer/camera.rb', line 3

def initialize(view, scene)
  @view = view
  @scene = scene
end

Instance Method Details

#colour_of_pixel(row, col) ⇒ Object 



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# File 'lib/rubytracer/camera.rb', line 8

def colour_of_pixel(row, col)
  ray = @view.eye_ray(row, col)
  obj, t = @scene.intersect(ray)
  if t == Float::INFINITY
    Colour.new(0.6,0.6,0.6)
  else
    pos = ray.pos(t)
    normal = obj.normal(pos)
    obj.material.lit_colour(@scene, normal, -ray.dir, pos)
  end
end