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    [VIVE] Latencies on VR preview

    Hi everyone,

    My name is Elisabeth and I'm a french new unreal engine user
    I try to develop a kind of VR game for a movie. So, I test VR scene with unreal. It work very easy but there are latencies (lag) sometimes. The scene is very simple and I have not a too bad configuration : geforce 1080 + I7 6900 + 32go ram. How I can fix this problem ?

    Thank you in advance,

    Elisabeth

    #2
    Hi Elisabeth,
    Welcome to UE4 for VR! Few pointers for you regarding your problem:

    - Are you running your tests directly in the Editor? The lag may depend on that. You should try to package your game and check the performances there.
    - Did you follow all recommendations for VR optimization listed here: https://docs.unrealengine.com/latest.../ContentSetup/
    - You can use the GPU profiler (and many other development tools) to check which parts of the rendering pipeline takes most of the time and then optimize it.
    - Recently EPIC run a very interesting webcast on how to optimize a VR experience based on their work with Robo Recall. You can find it here: https://www.youtube.com/watch?v=3Yx9IEOc5s4

    Hope this helps.

    Cheers,
    Marco.
    CTO | Head of VR Development - Visit us at http://humanxr.com
    My UE4 Tutorials (mostly VR): https://goo.gl/GUvDyV

    Comment


      #3
      Hi Marco,

      Thank you very much for your advices. Yes, I running directly on Editor. I have test to package my game but VR doesn't work (even if I add "stereo on"). It's weird...

      Comment


        #4
        Hi Elisabeth,

        to get the stereo mode working on a packaged game, you can add an Enable HMD node to the Event Begin Play of your level and make sure the Enable option is ticked.

        Cheers,
        Marco.
        CTO | Head of VR Development - Visit us at http://humanxr.com
        My UE4 Tutorials (mostly VR): https://goo.gl/GUvDyV

        Comment

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