Change the multiply node to be 0,1,1
Change atan2 to be (In.Z, In.Y)
You may need to change 0.25 to something else, depending on how the coordinates work out.
Change the multiply node to be 0,1,1
Change atan2 to be (In.Z, In.Y)
You may need to change 0.25 to something else, depending on how the coordinates work out.