场景切换动画问题,请高手帮忙看下,万分感谢!

CCScene *pScene = Combat::scene();CCDirector::sharedDirector()->pushScene( CCTransitionPageTurn::create(1, pScene,false) );
只有翻页效果正常,其他效果都不行,直接跳入目标场景
CCDirector::sharedDirector()->pushScene( CCTransitionRotoZoom::transitionWithDuration(1.2f, pScene) );CCDirector::sharedDirector()->pushScene( CCTransitionFlipX::create(1.2f, pScene) );CCDirector::sharedDirector()->pushScene( CCTransitionRotoZoom::create(1.2f, pScene) );
这些效果都不行?