如图设置图片的Type 为FILLED ，FillType 为RADIAL ，FillCenter（图片扇形中心）为cc.p（0.5,0.5） ，FillStart（开始部分）为0.25（最高点开始）
注：yuanxing为拖进去的图片节点
//圆形滚动条
_yuangundontiao:function(){ this.yuanxing.getComponent(cc.Sprite).fillRange = 1 this._jindutiaotime(100) }, _jindutiaotime:function(time){ var self = this if(time > 0){ this.scheduleOnce(function() { cc.log(time) self.yuanxing.getComponent(cc.Sprite).fillRange = time/100 self._jindutiaotime(--time) }, 0.1); } else { this.yuanxing.getComponent(cc.Sprite).fillRange = time/30 cc.log("时间到") }
},
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