CCSprite* sp1=CCSprite::create("s_1.png"); sp1->setPosition(ccp(size.width/2,size.height/2)); addChild(sp1); CCSprite* sp2=CCSprite::create("s_2.png"); sp2->setPosition(ccp(size.width/2,size.height/2)); addChild(sp2); if(sp1->boundingBox().intersectsRect(sp2->boundingBox())) { CCLOG("collision!!!!"); }else { CCLOG("nothing"); }