local xp1,yp1,zp1 = gps.locate()

print("veuillez entrer les coordonnes")
write ("x: ")
xd = read()
write ("\ny: ")
yd = read()
write ("\nz: ")
zd = read()

x = xd - xp1
y = yd - yp1
z = zd - zp1

if "x < 0" then
x = x * -1
elseif "y < 0" then
y = y * -1
elseif "z < 0" then
z = z * -1
end

-- voir dans quel sens est la tortue

turtle.forward()
local xp2,yp2,zp2 = gps.locate()

if "xd < xp1" then

	if "xp1 > xp2" then
	x = x - 1
	end
	if "xp1 < xp2" then
	x = x+1
	turtle.turnRight()
	turtle.turnRight()
	end
	if "xp1 - xp2 = 0" and "zp1 < zp2" then
	turtle.turnRight()
	z = z + 1
	end
	if "xp1 = xp2" and "zp1 > zp2" then
	turtle.turnLeft()
	z = z - 1
	end

end