Quest2 在Unity中获取手柄的输入，以及检测各个按键是否被按下，以及控制手柄振动功能

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

public class Xr_input_Record : MonoBehaviour
{
    //private UnityEngine.XR.InputDevice device;
    // Start is called before the first frame update
    public UnityEngine.XR.InputDevice leftHand_device;
    public float 振幅=0.5f;
    public uint 频道=0;
    public float 持续时长=1f;
    void Start()
    {
          
           // Allinput_device_record();
          //  get_left_hand();
        
    }
    private void OnEnable() {
        // Allinput_device_record();
         //   get_left_hand();
          //  display_device_featureName();
        get_left_hand();
          控制器振动功能();
        
    }

    public void Allinput_device_record()
    {
        var inputDevices = new List();
        UnityEngine.XR.InputDevices.GetDevices(inputDevices);

        foreach (var device_a in inputDevices)
        {
            Debug.Log(string.Format("设备名字 '{0}' 设备角色 '{1}'", device_a.name, device_a.role.ToString()));
        }
    }

    public void get_left_hand()
    {
        var leftHandedControllers = new List();
        var desiredCharacteristics = UnityEngine.XR.InputDeviceCharacteristics.HeldInHand | UnityEngine.XR.InputDeviceCharacteristics.Left | UnityEngine.XR.InputDeviceCharacteristics.Controller;
        UnityEngine.XR.InputDevices.GetDevicesWithCharacteristics(desiredCharacteristics, leftHandedControllers);

        foreach (var device in leftHandedControllers)
        {
            Debug.Log(string.Format("左手设备名 '{0}' 该设备具有的特征 '{1}'", device.name, device.characteristics.ToString()));
            leftHand_device=device;
        }
    }

    public void display_device_featureName()
    {
        var inputFeatures = new List();
        if (leftHand_device.TryGetFeatureUsages(inputFeatures)) //用于获取设备的使用表格
        {
            foreach (var feature in inputFeatures)
            {
                if (feature.type == typeof(bool))
                {
                    bool featureValue;
                    if (leftHand_device.TryGetFeatureValue(feature.As(), out featureValue))
                    {
                        Debug.Log(string.Format("功能名字 {0}'s 功能的值 {1}", feature.name, featureValue.ToString()));
                    }
                }
            }
        }
    }


    public void update_inputDynamic_record()
    {
           
            bool triggerValue;
            //知道按键名字，直接根据名字获得相对应的值
            if (leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.gripButton, out triggerValue) && triggerValue)
            {
                Debug.Log("按下grip button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.menuButton, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下menu button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.primaryButton, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下Primary button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.primaryTouch, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下Primary touch");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.secondaryButton, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下second button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.secondaryTouch, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下second touch");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.triggerButton, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下trigger button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.primary2DAxisClick, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下primary 2D click button");
            }
            else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.primary2DAxisTouch, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下primary 2D click touch");
            }
             
            /*else if(leftHand_device.TryGetFeatureValue(UnityEngine.XR.CommonUsages.isTracked, out triggerValue) && triggerValue)
            {
                     Debug.Log("按下is_tracked touch");
            }*/
    }

    public void 控制器振动功能()
    {
       // List devices = new List(); 

           print("A1");
            UnityEngine.XR.HapticCapabilities capabilities;
            if (leftHand_device.TryGetHapticCapabilities(out capabilities))
            {
                     print("A2");
           
                    if (capabilities.supportsImpulse)
                    {
                         print("A3");
                        uint channel = 0;
                       // float amplitude = 5f;
                        float duration = 5.0f;
                        leftHand_device.SendHapticImpulse(频道, 振幅, 持续时长);
                    }
            }
        
    }

    // Update is called once per frame
    void Update()
    {
        update_inputDynamic_record();
    }
}