DeltaVR/Assets/Scripts/UnityXR/HandPresence.cs

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR;

namespace UnityXR
{
    public class HandPresence : MonoBehaviour
    {
        private InputDevice _targetDevice;

        // Start is called before the first frame update
        void Start()
        {
            List<InputDevice> devices = new List<InputDevice>();
            InputDeviceCharacteristics rightControllerCharacteristics =
                InputDeviceCharacteristics.Right | InputDeviceCharacteristics.Controller;

            if (devices.Count > 0)
            {
                _targetDevice = devices[0];
            }
        }

        // Update is called once per frame
        void Update()
        {
            ;
            if (_targetDevice.TryGetFeatureValue(CommonUsages.primaryButton, out bool primaryButtonValue) &&
                primaryButtonValue)
            {
                Debug.Log("Pressing primary button");
            }


            if (_targetDevice.TryGetFeatureValue(CommonUsages.trigger, out float triggerValue) && triggerValue > 0.1f)
            {
                Debug.Log("Trigger pressed " + triggerValue);
            }


            if (_targetDevice.TryGetFeatureValue(CommonUsages.primary2DAxis, out Vector2 primary2DAxisValue) &&
                primary2DAxisValue != Vector2.zero)
            {
                Debug.Log("primary2DAxis pressed " + triggerValue);
            }
        }
    }
}