self << @save_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/main-menu-save.png'), :background_image_hover => $engine.load_image('images/buttons/main-menu-save-hover.png'), :background_image_click => $engine.load_image('images/buttons/main-menu-save-click.png'))