class IMICFPS
  module CommonMethods

    def delta_time
      (Gosu.milliseconds-@delta_time)/1000.0
    end
    def button_down?(id); $window.button_down?(id); end

    def mouse_x; $window.mouse_x; end
    def mouse_y; $window.mouse_y; end
    def mouse_x=int; $window.mouse_x=int; end
    def mouse_y=int; $window.mouse_y=int; end

    def gl(&block)
      $window.gl do
        block.call
      end
    end

    def draw_rect(*args)
      $window.draw_rect(*args)
    end
    def draw_quad(*args)
      $window.draw_quad(*args)
    end
    def fill(color = Gosu::Color::WHITE)
      draw_rect(0, 0, $window.width, $window.height, color)
    end
  end
end