self << (@close_button=GuiButton.new.set(:scale_x => 0.05, :scale_y => 0.06, :offset_x => 0.475, :offset_y => 0.47, :background_image => $engine.load_image('images/buttons/file-dialog-cancel.png'), :background_image_hover => $engine.load_image('images/buttons/file-dialog-cancel-hover.png'), :background_image_click => $engine.load_image('images/buttons/file-dialog-cancel-click.png')))