[]游戏加载进度失效

constructor() {

        Laya.init(960, 540, Laya.WebGL);

        Laya.stage.screenMode = "horizontal";

        Laya.stage.scaleMode = Laya.Stage.SCALE_EXACTFIT;

        Laya.stage.alignH = "center";

        Laya.stage.alignV = "middle";

        Laya.stage.bgColor = "#ffffff";



        this.gameLoading=new ui.GameLoadingUI();



        //创建加载进度文本

        var asset = []

        asset[0] = {

            url: "res/atlas/run.json",

            type: Laya.Loader.ATLAS

        }

        asset[1] = {

            url: "res/bg.png",

            type: Laya.Loader.IMAGE

        }

        asset[2] = {

            url: "res/bg1.png",

            type: Laya.Loader.IMAGE

        }

        asset[3] = {

            url: "res/bg2.png",

            type: Laya.Loader.IMAGE

        }

        asset[4] = {

            url: "res/atlas/ui.json",

            type: Laya.Loader.ATLAS

        }

        asset[5] = {

            url: "mileTxt.png",

            type: Laya.Loader.IMAGE

        }

        Laya.loader.load(asset, Laya.Handler.create(this, this.onLoaded),Laya.Handler.create(this,this.onLoading));





    }



    onLoading(progress){

        this.gameLoading.loadTxt.text="Loading..."+(progress*100)+"%";

    }



    onLoaded() {

        this.cacheAnimation();



        var waterBg = Laya.Sprite.fromImage("res/bg.png");

        Laya.stage.addChild(waterBg);



        //创建背景

        this.bg = [];

        this.bg[0] = new BackGround("res/bg1.png", 0.1);

        this.bg[0].pos(0, 0);

        Laya.stage.addChild(this.bg[0]);



        this.bg[1] = new BackGround("res/bg2.png", 1);

        this.bg[1].pos(0, 0);

        Laya.stage.addChild(this.bg[1]);



        this.bg[2] = new BackGround("run/bridge.png", runSpeed);

        this.bg[2].pos(0, 348);

        Laya.stage.addChild(this.bg[2]);



        //创建物品层

        this.targetBox = new TargetBox();

        this.targetBox.pos(0, 0);

        Laya.stage.addChild(this.targetBox);



        //创建玩家

        this.runner = new Runner();

        Laya.stage.addChild(this.runner);



        //创建信息场景

        this.gameInfo = new GameInfo();

        Laya.stage.addChild(this.gameInfo);



        this.init();

    }