t_flatten

-- 1/6/13 Maxiride
-- tflat v1.1

function fw() -- Forward function to avoid glitches with gravel falling down
    while turtle.detect() do
        turtle.dig()
    end
turtle.forward()
end

function tr() -- Turn right function and 1 step fotward
turtle.turnRight()
fw()
turtle.turnRight()
end

function tl() -- Turn left function and 1 step forward
turtle.turnLeft()
fw()
turtle.turnLeft()
end

function up()
    if turtle.detectUp() then
        turtle.digUp()
    end
turtle.up()

if o==0 then
    turtle.turnLeft()
    turtle.turnLeft()
    up()
    else
        turtle.turnRight()
        turtle.turnRight()
        up()

end
end

function main()
turtle.refuel()
print ("Insert Lenght of the cleaning path (in front of the turtle)")
len=read()

print("Insert Width of the cleaning path (on the right side of the turtle)")
wid=read()

print ("Insert Height of the cleaning path (on top of the turtle)")
hei=read()


local o=0 -- Counter 1-0 for tr() or tf()

for i=1, hei do
    for j=1, wid do
        for k=1, len do
            fw()
            print("fw",k)
        end

        print(o)
        if (o==0 and (not(j==wid))) then
            tr()
            o=o+1
            elseif (o==1 (not(j==wid))) then
                tl()
                o=o-1
            else
            up()
        end

        print("wid",j)
    end

print("Up!",i)
end
end

main()