景切换的时候加上遮罩

//在场景切换的时候加上遮罩 



 CCLayerColor *layer = CCLayerColor::create(ccc4(1,22,33,233), sizef.width, sizef.height);



    CCLog("%f,%f",sizef.width,sizef.height);



    CCLabelTTF*test=CCLabelTTF::create("等待。。。。","Helvetica", 12);



    layer->addChild(test);



    test->setColor(ccc3(3, 4, 5));



    test->cocos2d::CCNode::setPosition(sizef.width/2, sizef.height/2);



 



    CCDirector::sharedDirector()->setNotificationNode(layer);



    



    CCDirector::sharedDirector()->drawScene();



 



    CCDirector::sharedDirector()->replaceScene(HelloWorld::scene());



 



//在scene return 后去掉遮罩



CCScene* HelloWorld::scene()



{



    CCScene *scene = CCScene::create();



    HelloWorld *layer = HelloWorld::create();



    scene->addChild(layer);



    CCDirector::sharedDirector()->setNotificationNode(NULL);



    return scene;



}