Turtle Test #01

dir=0
x=0
y=0
z=0
local i=0
local j=0
modem = peripheral.wrap("left")
function hugoDebug()
  modem.transmit(3, 1337, x.." "..y)
  end
function hugoSurfaceMove()
  hugoDebug()
  if turtle.forward() then
    while turtle.detectDown()~=true do
      if turtle.down() then z=z-1 end
      end
    if dir%4==0 then x=x+1 end
    if dir%4==1 then y=y+1 end
    if dir%4==2 then x=x-1 end
    if dir%4==3 then y=y-1 end
    else
    while turtle.detect() do
      if turtle.up() then z=z+1 end
      end
    end
  end


turtle.refuel()
for i=0,math.random(3,5) do
  for j=0,math.random(0,3) do
    turtle.turnRight()
    dir=dir+1
    end
  for j=0,math.random(5,10) do
    hugoSurfaceMove()
    end
  end


turtle.up()
turtle.down()
if y<0 then
  while dir%4~=1 do
    turtle.turnRight()
    dir=dir+1
    end
  while y<0 do hugoSurfaceMove() end
  end
if y>0 then
  while dir%4~=3 do
    turtle.turnRight()
    dir=dir+1
    end
  while y>0 do hugoSurfaceMove() end
  end
if x<0 then
  while dir%4~=0 do
    turtle.turnRight()
    dir=dir+1
    end
  while x<0 do hugoSurfaceMove() end
  end
if x>0 then
  while dir%4~=2 do
    turtle.turnRight()
    dir=dir+1
    end
  while x>0 do hugoSurfaceMove() end
  end