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pon7
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28 days ago
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Scene is jittery when I walk around

AR application built in UE 5.5.4 using Meta XR plugin v78.  I'm sideloading an APK onto Quest 3 headsets.

If I stand still and look from side to side, the scene is smooth.  But if I walk around, the scene is jittery.  Once I stop walking, and just look around, the scene is smooth again.

So the shakiness seems to be specific to trucking the camera (walking around an area), but not tilting or panning (looking side to side).

It's the same way when I only have a few cubes in the scene, so the jitteriness is not due to latency from scene complexity.

The room is a normal, well lit room.  There's no crazy items, like huge TV screens or massive windows.

Any help troubleshooting and/or tips on improving tracking would be appreciated.  Is this something spatial anchoring would help?

  • I'm posting this here for future readers: in Unreal Engine, go to Project Settings > Rendering > Culling > Uncheck Occlusion Culling.  This is a GPU process meant for more powerful gaming GPU's.  Occlusion Culling is not compatible with tile-based GPU architecture found in mobile devices.

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  • I'm posting this here for future readers: in Unreal Engine, go to Project Settings > Rendering > Culling > Uncheck Occlusion Culling.  This is a GPU process meant for more powerful gaming GPU's.  Occlusion Culling is not compatible with tile-based GPU architecture found in mobile devices.

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