public bool collideWith(NicoLabel other)
        {
            double thisHeight = this.getHeight() + _space;
            double otherHeight = other.getHeight() + _space;

            if (_bOverflow || other.isOverflow())
            {
                return false;
            }

            if (_posGroup != other._posGroup)
            {
                return false;
            }

            if (this.y()+thisHeight <= other.y())
            {
                return false;
            }
            if (this.y() >= other.y() + otherHeight)
            {
                return false;
            }

            if (_posGroup != PosGroupType.Normal)
            {
                return true;
            }

            if (other.x()+other.getWidth() > this.x())
            {
                return true;
            }
            if (-this.x()/(_xSpeed*_scale)*other.getXSpeed()+other.x()+other.getWidth() > 0)
            {
                return true;
            }
            return false;
        }