dig

function tunnel(x,y,z) --Funzione Tunnel--

  ------VARIABILI------

  counterX=1
  counterY=1
  counterZ=0

  ------ESECUZIONE------

  while counterZ<=z do --Controlla la lunghezza del tunnel

    while counterX<x do --Controlla la larghezza

      turtle.dig()

      while counterY<y do --Controlla l'altezza

        turtle.up()
        turtle.dig()
        counterY=counterY+1

        end

      turtle.turnRight()
      turtle.forward()
      turtle.turnLeft()
      while counterY>1 do
        turtle.up()
        counterY=counterY-1
        end
      counterX=counterX+1
      end
    turtle.turnLeft()
    while counterX>1 do
      turtle.forward()
      counterX=counterX-1
      end
    counterZ=counterZ+1
    end
  end


------OBSIDIAN MINE------

function obsidian(x,y)

  ------VARIABILI------
  counterX=1
  counterY=1
  while counterX<x do


    while counterY<y do
      turtle.digDown()
      turtle.placeDown()
      turtle.dig()
      turtle.forward()
      counterY=counterY+1
      end
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    while counterY>1 do
      turtle.dig()
      turtle.forward()
      counterY=counterY-1
      end
    turtle.turnRight()
    turtle.turnRight()
    counterX=counterX+1
    end
  end