GetFace

local oldx,oldy,oldz = shell.run(GetPos())
	shell.run(GoForward(1))
	shell.run(GetPos())
	print("check direction")

	if cx > oldx then
		currentFacing = 3
	return 3
	elseif cx < oldx then
		currentFacing  = 1
	return 1
	elseif cy > oldy then
	currentFacing = 0
	return 0
	else
	currentFacing = 2
	return 2
	end