What are MotionControllerLeftAim and MotionControllerRightAim used for?

Hi!

I’m using Unreal 5.3.2 and I’ve just started to learn how to develop VR games.

Now I’m checking everything on the VR Template, in particular the VRPawn. And I don’t know what these controllers are used for.

I think the MotionControllerLeftGrip and MotionControllerRightGrip are used to get things in the game, but:

What are MotionControllerLeftAim and MotionControllerRightAim used for?

Thanks!

By default they are probably only used for attachment points for the UI interaction lasers. The OpenXR spec specifies where the grip and aim transforms are across different controllers:
https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#semantic-path-standard-pose-identifiers

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