# Nathan Hinton
#
# When placed it will extract numbers at a specified rate and place them on any
# conveyer belts that are adjacent to it.

class Extractor
  attr_reader :draw_x, :draw_y, :size_x, :size_y
  def initialize(x, y, box_size)
    @size_x = @size_y = 3
    @x = x - @size_x / 2
    @y = y - @size_y / 2
    @box_size = box_size
    @image = Gosu.render((@size_x * @box_size) - (2 * BORDER), (@size_y * @box_size) - (2 * BORDER)) {
      Gosu::Image.new('assets/images/extractor.png').draw(0, 0, 0, @box_size / 32.0, @box_size / 32.0)
      Gosu::Image.from_text("#{@number}", 20, font: FONT_PATH).draw(10 / 32.0 * @box_size, (8 / 32.0 * @box_size), 1, 2, 2, 0xFFFA32C0)
    }
  end

  def update(delta_mult, camera_x, camera_y, camera_zoom)
    @draw_x = (((((WIDTH / @box_size.to_f) / 2.0) + (@x - camera_x) * camera_zoom) * @box_size) + BORDER * camera_zoom)
    @draw_y = (((((HEIGHT / @box_size.to_f) / 2.0) + (@y - camera_y) * camera_zoom) * @box_size) + BORDER * camera_zoom)
    @camera_zoom = camera_zoom
  end

  def draw()
    @image.draw(@draw_x, @draw_y, 0, @camera_zoom, @camera_zoom)
  end
end