169 lines
4.4 KiB
C#
169 lines
4.4 KiB
C#
using System;
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using System.Collections;
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using UnityEngine;
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using UnityEngine.UI;
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public class WebcamControllerPanel : PanelBasic
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{
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public RawImage camera_rawimage;//相机渲染的UI
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//public GameObject quad;//相机渲染的GameObject
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private WebCamTexture webCamTexture;
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private Coroutine open_camera;
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public delegate void OpenCameraDelegate(string _msg, string _type);
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public OpenCameraDelegate open_camera_msg;
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void Start()
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{
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}
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private void Update()
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{
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if (Input.GetKey(KeyCode.H))
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{
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webCamTexture.Stop();
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}
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if (Input.GetKey(KeyCode.M))
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{
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webCamTexture.Play();
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}
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}
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/// <summary>
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/// 打开摄像机
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/// </summary>
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public void ToOpenCamera()
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{
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open_camera = StartCoroutine("OpenCamera");
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}
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public IEnumerator OpenCamera()
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{
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int maxl = Screen.width;
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if (Screen.height > Screen.width)
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{
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maxl = Screen.height;
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}
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// 申请摄像头权限
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yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
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if (Application.HasUserAuthorization(UserAuthorization.WebCam))
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{
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if (webCamTexture != null)
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{
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webCamTexture.Stop();
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}
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//打开渲染图
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if (camera_rawimage != null)
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{
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camera_rawimage.gameObject.SetActive(true);
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}
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//if (quad != null)
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//{
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// quad.gameObject.SetActive(true);
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//}
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// 监控第一次授权，是否获得到设备（因为很可能第一次授权了，但是获得不到设备，这里这样避免）
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// 多次 都没有获得设备，可能就是真没有摄像头，结束获取 camera
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int i = 0;
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while (WebCamTexture.devices.Length <= 0 && 1 < 300)
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{
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yield return new WaitForEndOfFrame();
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i++;
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}
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WebCamDevice[] devices = WebCamTexture.devices;//获取可用设备
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if (WebCamTexture.devices.Length <= 0)
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{
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Debug.LogError("没有摄像头设备，请检查");
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open_camera_msg?.Invoke("没有摄像头设备，请检查!", "warning");
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}
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else
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{
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string devicename = devices[0].name;
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webCamTexture = new WebCamTexture(devicename, maxl, maxl == Screen.height ? Screen.width : Screen.height, 30)
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{
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wrapMode = TextureWrapMode.Repeat
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};
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// 渲染到 UI 或者 游戏物体上
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if (camera_rawimage != null)
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{
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camera_rawimage.texture = webCamTexture;
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}
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//if (quad != null)
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//{
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// quad.GetComponent<Renderer>().material.mainTexture = webCamTexture;
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//}
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webCamTexture.Play();
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open_camera_msg?.Invoke("摄像头已打开", "log");
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}
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}
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else
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{
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Debug.LogError("未获得读取摄像头权限");
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open_camera_msg?.Invoke("未获得读取摄像头权限!", "warning");
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}
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}
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private void OnApplicationPause(bool pause)
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{
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// 应用暂停的时候暂停camera，继续的时候继续使用
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if (webCamTexture != null)
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{
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if (pause)
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{
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webCamTexture.Pause();
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}
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else
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{
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webCamTexture.Play();
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}
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}
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}
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public void OnActive(bool _use_real_camera)
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{
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OnActive();
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if (_use_real_camera)
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{
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ToOpenCamera();
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}
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}
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public override void OnActive(Image _main_panel = null, Image _mask = null, Action _callback = null)
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{
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base.OnActive(_main_panel, _mask, _callback);
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camera_rawimage.gameObject.SetActive(true);
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}
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public override void OnNagetive(bool _active_last_panel)
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{
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base.OnNagetive(_active_last_panel);
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if (open_camera != null)
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{
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StopCoroutine(open_camera);
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open_camera_msg?.Invoke("摄像头已关闭", "log");
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//后添加的用来在停止摄像头的时候禁用摄像头的方法
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if (webCamTexture != null)
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{
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webCamTexture.Stop();
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}
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}
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camera_rawimage.gameObject.SetActive(false);
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}
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private void OnDestroy()
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{
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if (webCamTexture != null)
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{
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webCamTexture.Stop();
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}
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}
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}
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