cocos2d CCArray

    CCArray* arr=CCArray::create();
    arr->retain();//如果不加这个东西，CCArray会被清空
    arr->addObject(CCSprite::create("s_1.png"));
    arr->addObject(CCSprite::create("s_2.png"));
    arr->addObject(CCSprite::create("s_3.png"));
    arr->addObject(CCSprite::create("s_4.png"));
    arr->addObject(CCSprite::create("s_5.png"));
    arr->addObject(CCSprite::create("s_6.png"));
    arr->addObject(CCSprite::create("s_7.png"));
    arr->addObject(CCSprite::create("s_8.png"));
    CCLOG("count:%d",arr->count());
    CCSprite* sprite=(CCSprite*)arr->objectAtIndex(3);
    sprite->setPosition(ccp(size.width*0.5,size.height*0.5));
    addChild(sprite);