Unity+Vuforia ar 摄像机自动对焦

using System.Collections; using System.Collections.Generic; using UnityEngine; using Vuforia; public class AutoCameraDevice : MonoBehaviour {     void Start()     {         CameraDevice.Instance.SetFocusMode(CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);              }     void Update()     {         //自动对焦           //if (m_bIsFocus)   #if UNITY_EDITOR         if (Input.GetMouseButtonUp(0)) #elif UNITY_ANDROID || UNITY_IPHONE         if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began)   #endif         {             CameraDevice.Instance.SetFocusMode(CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);         }     } }