private void checkComplete(){
        int countInvisible = 0;
        for (Cell[] rowCell: field){
            for (Cell cell: rowCell){
                if (!cell.isVisible()) countInvisible++;
            }
        }
        if (countInvisible == bombArray.length) {
            complite = true;
            win = true;
        } else if (countInvisible == 0){
            complite = true;
            win = false;
        }
    }