查看CCDirector.你可以得到这样的运行场景：
原文链接：https://www.f2er.com/cocos2dx/338140.html[[CCDirector sharedDirector] runningScene];
从cocos2D的文档：
-(CCScene*) runningScene [read,assign]
The current running Scene. Director can only run one Scene at the time
Sandro Meier
