Messing with bindings in ruby

mess_with_bindings.rb

# Coding hazard.

class CoOrdinate
  attr_reader :x, :y

  def initialize(x, y)
    @x = x
    @y = y
  end
end

class InverseCoOrdinate < CoOrdinate
  def initialize(x, y)
    @x = y
    @y = x
  end
end

class JediCoOrdinate < InverseCoOrdinate
  def initialize(x, y, invert = true)
    invert ? super(x, y) : draw_light_saber(x, y)
  end

  def self.grandparent
    self.superclass.superclass
  end

  private

  def draw_light_saber(x, y)
    super_init = self.class.grandparent.instance_method(:initialize).send(:bind, self)
    super_init.call(x,y)
  end
end