cocos2d-x 父节点和子节点执行不同动作

Test6::Test6()
{
    CCSprite* sp1 = CCSprite::create(s_pPathSister1);
    CCSprite* sp11 = CCSprite::create(s_pPathSister1);

    CCSprite* sp2 = CCSprite::create(s_pPathSister2);
    CCSprite* sp21 = CCSprite::create(s_pPathSister2);
        
    sp1->setPosition(ccp(100,160));
    sp2->setPosition(ccp(380,160));
        
    CCActionInterval* rot = CCRotateBy::create(2, 360);
    CCActionInterval* rot_back = rot->reverse();
    CCAction* forever1 = CCRepeatForever::create(
                                                            (CCActionInterval*)(CCSequence::create(rot, rot_back, NULL)));
    CCAction* forever11 =  (CCAction*)(forever1->copy()->autorelease());

    CCAction* forever2 =  (CCAction*)(forever1->copy()->autorelease());
    CCAction* forever21 =  (CCAction*)(forever1->copy()->autorelease());
    
    addChild(sp1, 0, kTagSprite1);
    sp1->addChild(sp11);
    addChild(sp2, 0, kTagSprite2);
    sp2->addChild(sp21);
    //父节点和子节点都执行动作
    sp1->runAction(forever1);
    sp11->runAction(forever11);
    sp2->runAction(forever2);
    sp21->runAction(forever21);
    
    schedule( schedule_selector(Test6::addAndRemove), 2.0f);
}

void Test6::addAndRemove(float dt)
{
    CCNode* sp1 = getChildByTag(kTagSprite1);
    CCNode* sp2 = getChildByTag(kTagSprite2);

    sp1->retain();
    sp2->retain();
    
    removeChild(sp1, false);
    removeChild(sp2, true);
    
    addChild(sp1, 0, kTagSprite1);
    addChild(sp2, 0, kTagSprite2);
    
    sp1->release();
    sp2->release();

}