This is my very first time ever recording in a VR game while playing the Oculus Rift and running VorpX. Ace Combat 7 is not officially VR compatible with the PC version but it is somewhat possible with VorpX. I tried recording using OBS and the final result was a jittery video. Fortunately, the jitter doesn't happen during actual gameplay. I tried various options in OBS such as quality and video format type but no luck. If anyone has any tips on recording smoother video please let me know.
The settings I used in VorpX was "Full VR Mode" which is the most immersive option but in turn you can't see the map, character subtitles, plane status and other HUD info. The only way I know to see the HUD is to switch to "Immersive Screen Mode" which gives you the edge of the screen (pretty lame) but at least lets you see your HUD.
These were the instructions I used to set up AC7 in Vorpx: / ace_combat_7_and_vorpx...