--Really simple quarry program
--Written by Civilwargeeky


function dig()
  while not robot.forward() do
    robot.swing()
  end
end
function down()
  while not robot.down() do
    robot.swingDown()
  end
end

io.write("Length? ")
x = tonumber(io.read()) or 3
io.write("\nWidth? ")
z = tonumber(io.read()) or 3
io.write("\nHeight? ")
y = tonumber(io.read()) or 3

turnRight = true
facing = 0

for i=1, y do
  for i=1, z do
    for i=1, x do
      dig()
    end
    if turnRight then
      func = robot.turnRight
    else
      func = robot.turnLeft
    end
    turnRight = not turnRight
    func()
    dig()
    func()
  end
  down()
  func()
  func()
  if z%2 == 0 then rowCheck = left end
end
for i=1, y do robot.up() end