[]在UI类里调用启动类的静态函数失败了

// 程序入口

class GameMain {





    constructor() {

        Laya.init(600, 400);

        Laya.stage.bgColor = "#123456";

        Laya.loader.load([

            { url: "res/beijing/beijing2.png", type: Laya.Loader.IMAGE },

            { url: "res/atlas/comp.png", type: Laya.Loader.IMAGE },

            { url: "res/atlas/comp.atlas", type: Laya.Loader.ATLAS }],

            Laya.Handler.create(this, this.onLoaded), Laya.Handler.create(this, this.onLoading));

    }



    static aaa(): void {



    }



    private onLoaded(): void {

        var info = new view.GameInfo();

        info.zOrder = 99;//置最顶,这句话不写图层看不见

        // info.init();

        Laya.stage.addChild(info);

    }



    private onLoading(): void {

        var bj = new BeiJing();

        Laya.stage.addChild(bj);

    }



}

new GameMain();

/**Created by the LayaAirIDE*/

module view {

	export class GameInfo extends ui.GameInfoUI {

		constructor() {

			super();

			this.kaishi_btn.on(Laya.Event.MOUSE_DOWN, this, this.onStart);

			// Laya.stage.on(Laya.Event.MOUSE_DOWN, this, this.birdFly);//可以绑定两个函数

			Laya.stage.on(Laya.Event.KEY_DOWN, this, this.birdFly);

			this.init();

		}

		public init(): void {

			Laya.Tween.to(this.kaishi_btn, { y: 200 }, 800, Laya.Ease.backOut, Laya.Handler.create(this, this.onLogoCompete));

		}



		onLogoCompete(): void {

			Laya.Tween.to(this.biaoti_lable, { y: 120 }, 800, Laya.Ease.backOut);

		}



		onStart(): void {

			Laya.Tween.to(this.kaishi_btn, { y: 400 }, 800, Laya.Ease.backIn, Laya.Handler.create(this, this.onLogoStart));

		}



		onLogoStart(): void {

			Laya.Tween.to(this.biaoti_lable, { y: -40 }, 800, Laya.Ease.backIn, Laya.Handler.create(this, this.startGame));

		}



		birdFly(): void {

			console.log("我飞!");

		}



		startGame(): void {

			console.log("开始游戏!");

			GameMain.aaa();

		}

	}

}