private void NextWaypoint(bool player)
    {
        if (index == 0)
        {
            SetLinesActive(true);
            firstPoint.SetActive(false);
        }

        LineDataCopy ld = GetLineData(player);

        ld.ReachIndex(index);
    }
    private bool CanPlay(bool player)
    {
        LineDataCopy ld = GetLineData(player);

        return(ld.GetIndex() == index || ld.GetIndex() + ld.sign == index);
    }