asteroid.rb

class Asteroid
  attr_reader :x, :y

  def initialize(game)
    @sprite = Gosu::Image.load_tiles(game, "images/asteroids.png", 320/5, 384/6, true)
    @x, @y = 100, 100
  end
  
  def update
  end

  def draw
    @sprite[Gosu::milliseconds / 50 % @sprite.size].draw_rot(@x, @y, 3, 0)
  end
end