[]关于环形进度条，进度不能重置问题

var IndexView = (function(_super){



    this.angle;

    this.draw;

    this.box;

    this.circle;



    function IndexView(){

        IndexView.super(this);

        this.angle = 0;

        Laya.timer.loop(200,this,this.loadProgress)

        var Sprite = Laya.Sprite;

        this.box = new Sprite();

        this.box.cacheAs = "bitmap";

        this.box.pos(0,0);

        this.say.addChild(this.box);

        this.draw = new Sprite();

        this.box.addChild(this.draw);

        this.draw.graphics.drawPie(this.say.width/2, this.say.height/2, this.say.width/2+9,0,this.angle, "#ffffff");

        this.circle = new Sprite();

        this.circle.graphics.drawCircle(this.say.width/2, this.say.height/2, this.say.width/2, "#00ffff");

        this.circle.blendMode = "destination-out";



    }

Laya.class(IndexView,"IndexView",_super);



IndexView.prototype.loadProgress = function(){

        this.box.addChild(this.circle);

         if(this.angle <= 360){

            this.angle+=12;

            this.draw.graphics.drawPie(this.say.width/2, this.say.height/2, this.say.width/2+9,0,this.angle, "#ffffff");

        }else{

            this.draw.graphics.clear();

            this.circle.graphics.clear();

        }

}



return IndexView;



}



)(IndexUI);