Clearing Turtle

gps = require("turtle_gps")

length = 32
width = 32
height = 1
-- direction = "DOWN"


function digNow()
    while turtle.detect() do
        turtle.dig()
        --sleep(0.5)
    end
end

function refuel_now()
    -- refuel
    turtle.select(15)
    while turtle.getFuelLevel() < 200 do
        -- print("Not enough fuel: "..turtle.getFuelLevel().." / 200")
        -- print("place fuel in slot 16 and Press ENTER to continue...")
        -- read()
        turtle.refuel()
    end
end

function main()
    print("How many blocks forward: ")
    length = tonumber(read(), integer)
    print("How many blocks right: ")
    width = tonumber(read(), integer)
    -- print("Mining direction? (UP/DOWN)")
    -- direciton = string.upper(read())
    print("Mining height: ")
    height = tonumber(read(), integer)

    term.clear()
    term.setCursorPos(1, 1)

    refuel_now()


    print("Excavating...")

    for h = 1, height do
        for i = 1, width do
            if i % 2 == 0 then
                turnToDirection(Directions.Backwards)
            else
                turnToDirection(Directions.Forward)
            end

            for j = 1, length - 1 do
                moveForward()
            end

            if i < width then
                if Direction == Directions.Forward then
                    turnToDirection(Directions.Right)
                    moveForward()
                    turnToDirection(Directions.Backwards)
                else
                    turnToDirection(Directions.Right)
                    moveForward()
                    turnToDirection(Directions.Forward)
                end
            end
        end

        moveTo(0,0,Local_z,"zyx")
        moveDown()
        turnToDirection(Directions.Forward)
        refuel_now()
    end

end

main()