PetSensor

sensor = peripheral.wrap("left")
modemw = peripheral.wrap("right")

local function moveto(dirant,diratu)

if dirant == "norte" then
  if diratu == "leste" then
  turtle.turnRight()
  elseif diratu == "oeste" then
  turtle.turnLeft()
  elseif diratu == "sul" then
  turtle.turnRight()
  turtle.turnRight()
  end
elseif dirant == "leste" then
  if diratu == "sul" then
  turtle.turnRight()
  elseif diratu == "norte" then
  turtle.turnLeft()
  elseif diratu == "oeste" then
  turtle.turnRight()
  turtle.turnRight()
  end
elseif dirant == "sul" then
  if diratu == "oeste" then
  turtle.turnRight()
  elseif diratu == "leste" then
  turtle.turnLeft()
  elseif diratu == "norte" then
  turtle.turnRight()
  turtle.turnRight()
  end
elseif dirant == "oeste" then
  if diratu == "norte" then
  turtle.turnRight()
  elseif diratu == "sul" then
  turtle.turnLeft()
  elseif diratu == "leste" then
  turtle.turnRight()
  turtle.turnRight()
  end
end

if turtle.detect() == true then
turtle.equipRight()
turtle.dig()
turtle.equipRight()
end

turtle.forward()

end

direcao = "norte"

term.clear()
term.setCursorPos(1,1)
print("Insert Your Nickname / Insira Seu Nome de Jogador")
nickname = io.read()

term.clear()
term.setCursorPos(1,1)
print("Insert the Turtle Height / Insira a Altura da Turtle")
altura = tonumber(io.read())

term.clear()
term.setCursorPos(1,1)
print("Following"..nickname.." / Seguindo "..nickname)


while 1 == 1 do
posicao = "naoconferida"
yourinfo = sensor.getPlayerData(nickname)


xpronto = math.floor((tonumber(yourinfo["position"]["x"]))+0.5)
zpronto = math.floor((tonumber(yourinfo["position"]["z"]))+0.5)
ypronto = math.floor(((tonumber(yourinfo["position"]["y"]))+0.5)+altura)

  if ypronto > 0 then
    if turtle.detectUp() == true then
    turtle.equipRight()
    turtle.digUp()
    turtle.equipRight()
    end
  turtle.up()

  elseif ypronto < 0 then
    if turtle.detectDown() == true then
    turtle.equipRight()
    turtle.digDown()
    turtle.equipRight()
    end
  turtle.down()

  elseif ypronto == 0 then

    if zpronto > 0 then
    moveto(direcao,"sul")
    direcao = "sul"

    elseif zpronto < 0 then
    moveto(direcao,"norte")
    direcao = "norte"

      elseif zpronto == 0 then

      if xpronto > 0 then
      moveto(direcao,"leste")
      direcao = "leste"

      elseif xpronto < 0 then
      moveto(direcao,"oeste")
      direcao = "oeste"

      elseif xpronto == 0 then
      posicao = "conferida"

      end

    end

  end

end