class FullscreenButton {

	constructor(game) {
		this.game = game;

		this.game.scale.fullScreenScaleMode = Phaser.ScaleManager.EXACT_FIT;

		let setting = new RoundRectButtonSetting(50, 50);
		setting.fontStyle.boundsAlignH = "center";	// left, center. right
		setting.fontStyle.boundsAlignV = "middle";	// top, middle, bottom
		setting.strokeWidthPx = 3;
		setting.setStrokeColor(
			0x444488,
			0x6666aa,
			0x6666aa,
			0x333333
		);
		setting.setButtonColor(
			0xaaaadd,
			0xddddff,
			0xddddff,
			0x666666
		);
		setting.setTextColor(
			"#844",
			"#a66",
			"#a66",
			"#333"
		);

		let button = new RoundRectButton(setting, "", () => this.clickEvent());
		button.move(this.game.world.width - 30, 30);

		let icon_fullscreen = game.add.sprite(0, 0, 'icon_fullscreen');
		icon_fullscreen.width = 20;
		icon_fullscreen.height = 20;
		button.setIcon(icon_fullscreen);
	}

	clickEvent() {
		if(this.game.scale.isFullScreen) {
			this.game.scale.stopFullScreen();
		} else {
			this.game.scale.startFullScreen();
		}
	}

}