tunnel

--3x3 tunnel Digger
--By: farsidejake

local function digy()
  while turtle.detect() == true  do
    turtle.dig()
    os.sleep(0.5)
  end
end

local function ahead()
  digy()
  --os.sleep(2)
  turtle.forward()
end

local function sides()
  turtle.turnLeft()
  digy()
  turtle.turnRight()
  turtle.turnRight()
  digy()
  turtle.turnLeft()
 -- turtle.digUp()
end

local function torch()

end

--Main Program

local tArgs = { ... }
-- Check if I have too many args or too fue


local length = tArgs[1]

for i = 1, length do
  ahead()
  for x = 1, 3 do
    sides()
    if x < 3 then
      turtle.digUp()
      turtle.up()
    end
  end
  turtle.down()
  turtle.down()
end