ProgressTimer 控件
let background = new cc.Sprite(fileName_background);
this.addChild(background,999999);
background.setPosition(frameMid);
let innerSprite = new cc.Sprite(fileName_innerSprite);
let progressTimer = new cc.ProgressTimer(innerSprite);
background.addChild(progressTimer);
progressTimer.setPosition(background.width/2,background.height/2);
progressTimer.setType(cc.ProgressTimer.TYPE_RADIAL);
progressTimer.setPercentage(66);