creator转盘动画
var wheel = new cc.Sprite("转盘图片")
var time = 10; //旋转时间
var circle = 10; //旋转圈数
var degree = 330; // 旋转停止的角度
var action1 = cc.rotateTo(time, 360 * circle + 330);
action1.easing(cc.easeSineInOut()); //停止状态 慢 - 快 - 慢
this.wheel.runAction(action1);
