bool HelloWorld::init(){    if ( !CCLayer::init() )    {        return false;    }        CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();    CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin();    hero= CCSprite::create("1.png");    hero->setPosition(ccp(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));    this->addChild(hero, 0);    CCDirector* pDirector=CCDirector::sharedDirector();    pDirector->getTouchDispatcher()->addTargetedDelegate(this,0,true);    return true;}bool HelloWorld::ccTouchBegan(CCTouch* touch,CCEvent* event){    CCPoint heropos=hero->getPosition();    CCPoint location=touch->getLocationInView();    location=CCDirector::sharedDirector()->convertToGL(location);    if(location.x>heropos.x-32&&location.x<heropos.x+32&&        location.y>heropos.y-32&&location.y<heropos.y+32)    {        isControl=true;        deltax=location.x-heropos.x;        deltay=location.y-heropos.y;    }    return true;}void HelloWorld::ccTouchMoved(CCTouch* touch,CCEvent* event){    if(isControl)    {        CCPoint location=touch->getLocationInView();        location=CCDirector::sharedDirector()->convertToGL(location);        float x=location.x-deltax;        float y=location.y-deltay;        hero->setPosition(ccp(x,y));    }}