class BackButton {

	constructor(clickEvent) {
		let setting = new RoundRectButtonSetting(50, 50);
		setting.setStrokeColor(
			0x884444,
			0xaa6666,
			0xaa6666,
			0x333333
		);
		setting.setButtonColor(
			0xddaaaa,
			0xffdddd,
			0xffdddd,
			0x666666
		);
		setting.setTextColor(
			"#844",
			"#a66",
			"#a66",
			"#333"
		);

		this.button = new RoundRectButton(setting, "<", clickEvent);
		this.button.move(30, 30);
	}

}