存在A场景 (A_Scene) .
varA_Scene = cc.Scene.extend({ ctor:function(){this._super(); },});
获取当前场景 , 判断当前场景是不是指定场景 .
var cur = cc.director.getRunningScene();if(typeof cur =="object"&& cur.constructor== A_Scene){ console.log("当前场景为A_Scene")}
来源http://blog.csdn.net/yu__jiaoshou/article/details/53504468