シーン階層

ノードを階層的に構築できる

-(id) init
{
    if ((self=[super init]) ) {
        CCSprite *hoge = [CCSprite spriteWithFile:@"hoge.png"];
        hoge.tag = 13;
        [self addChild:hoge];
        //hogeの子要素
        CCSprite *sub = [CCSprite spriteWithFile:@"sub.png"];
        [hoge addChild:sub];
    }
}

- (BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event {
    CCSprite *hoge = (CCSprite*)[self getChildByTag:13];
    //hogeとsubの両方縮小される
    hoge.scale = 0.5;
    
    return YES;
}