-(CGRect) getBounds:(CCSprite *)sprite
{
    CGSize s = [sprite contentSize];
    s.width *= scaleX_;
    s.height *= scaleY_;
    return CGRectMake(
                      position_.x – s.width * anchorPoint_.x,
                      position_.y – s.height * anchorPoint_.y,
                      s.width,
                      s.height);

}