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Question Detect headset removed

Discussion in 'VR' started by yessaad, Feb 8, 2021.

  1. yessaad

    yessaad

    Joined:
    Jan 14, 2021
    Posts:
    1
    Hi all,

    I'm a newbie developer and currently work for a museum.
    I want to control a 360 degree video without using the controllers.
    I am using the "isuserpresent" function to play / pause / stop the video. Everything works fine in the runtime (oculus Link) but when I build it doesn't.

    Does anyone have any idea where the problem is ?

    I work with Unity 2019.4 + Bolt + Oculus integration 23.1
     
    yessaad, Feb 8, 2021
    #1

  2. Tanya_Li

    Tanya_Li

    Unity Technologies

    Joined:
    Jun 29, 2020
    Posts:
    98
    Hey,

    You could try using CommonUsages.userPresence. https://docs.unity3d.com/ScriptReference/XR.CommonUsages-userPresence.html

    Example as below:
    Code (CSharp):
    1.        
    2. InputDevice headDevice = InputDevices.GetDeviceAtXRNode(XRNode.Head);
    3. if (headDevice.isValid)
    4. {
    5.     bool userPresent = false;
    6.     bool presenceFeatureSupported = headDevice.TryGetFeatureValue(CommonUsages.userPresence, out userPresent);
    7.     Debug.Log("presence feature supported " + presenceFeatureSupported + " userPresent is " + userPresent);
    8. }
     
    Tanya_Li, Feb 8, 2021
    #2
    jeyalakshmi_chandrasekaran and dagablan9 like this.

  3. Ikaro88

    Ikaro88

    Joined:
    Jun 6, 2016
    Posts:
    264
    this works fine but not work with openXR on quest 2 (works on editor but NOT on build)
    Any way to let it work with OpenXR?
     
    Ikaro88, Jan 19, 2023
    #3

  4. AndreasWang

    AndreasWang

    Joined:
    Jul 31, 2019
    Posts:
    14
    You could make an OpenXR feature and override OnSessionStateChange() to check for user presence. The input parameters map to this enum, and you could consider XR_SESSION_STATE_FOCUSED as a state where the user is present
     
    AndreasWang, Jan 23, 2023
    #4