turtle rotate

dirTable = {{0, 1, 2, -1}, {-1, 0, 1, 2}, {2, -1, 0, 1}, {1, 2, -1, 0}}

function faceDir(dir, from)
    turn = dirTable[from][dir]
    print(turn)
    if turn == 0 then
        return
    end

    if turn > 0 then
        for i=1,turn do turtle.turnRight() end
    else
        for i=1,turn do turtle.turnLeft() end
    end
end

faceDir(3, 0)