getEnemiesByPriority

function getEnemiesByPriority() {
    var enemies = getAliveEnemies();
    arraySort(enemies, function(one, two) {
        var myCell = getCell();
        var difference = getPathLength(myCell, getCell(one)) - getPathLength(myCell, getCell(two));
        var answer;
        if (difference === 0) {
            answer === 0;
        } else {
            answer = difference / abs(difference);
        }
        return difference;
    });
    return enemies;
}