Koordinaten

y = 0
x = 0

function x_calc(move_x, Feldgrenze_x)
  if move_x < x and move_x >= 0 and move_x <= Feldgrenze_x then
    turtle.turnLeft()
    x = x - move_x
  else if move_x > x and move_x >= 0 and move_x <= Feldgrenze_x then
    turtle.turnRight()
    x = move_x - x
  else if move_x == x then

  else
    print("Fehlerhafte Eingabe!")



  turtle.turnLeft()
  for i = 0, x, 1 do
    turtle.forward()
  end