quarry

miningPlot = {6,6,4}
-- NO NEGATIVES PLEASE ^

pos = {0,0,0}
-- +for/back- , -left/Right+ , +Up/Down-

--Preconditon: chest behind area to min in front


direction = 0
-- 0 = ^ , 1 = > , 2 = v , 3 = <,4 = up ,5 down
function increment(dir)--dir is where going
    if dir == 0 then
        pos[0] = post[0] + 1
    elseif dir == 1 then
        pos[1] = pos[1] + 1

    elseif dir == 2 then
        pos[0] = pos[0] - 1
    elseif dir == 3 then
        pos[1] = pos[1] - 1

    elseif dir == 4 then
        pos[2] = pos[2] + 1
    elseif dir == 5 then
        pos[2] = pos[2] - 1

    end
end

function left(x)
    turtle.turnLeft()
    forward(x)
    turtle.turnRight()
end

function right(x)
    turtle.turnRight()
    forward(x)
    turtle.turnLeft()
end

function back(z)
    for i=0,z do
        turtle.back()
    end
end

function forward(y)
    for i=0, y do
        turtle.dig()
        turtle.suck()
        turtle.forward()

    end
end


--precondition: turtle within left lowest corner facing towards to be mined space
--postcondition: back in positon & direction
function plane()
    for x=0, miningPlot[1] do
        if x%2 ~= 0 then
            forward(miningPlot[0])
        else
            back(miningPlot[0])
        end
        right(1)
    end

    --going back to positon
    if pos[0] >0 then
        back(pos[0])
    end
    if pos[1] > 0 then
        left(pos[1])
    end
end

plane()