Mouse Look and Mouse Zoom function built into WOFF UE v 4.14 and above now, via AnKor's 3D DirectX shaders. Please see the WOFF UE FAQ section 53.
http://www.overflandersfields.com/index_html_files/FAQ%20WOFF%20UE.pdf


Regards,

Polovski,
OBD Software, developers of the fabulously immersive
"WINGS: Over Flanders Fields" WW1 Sim.
http://www.overflandersfields.com