unity 开发手机端拍照功能

话不多说。直接上代码

面板我这里使用的事是rawimage
拍摄前后摄像头之前一定要调用stop

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 public string deviceName;
    //接收返回的图片数据  
    public WebCamTexture tex;
    public Texture2D _tex;
    RawImage webrawimage;

    void OnGUI()
    {
        if (tex != null)
        {
            webrawimage.texture = tex;
        }
    }
    /// <summary>
    /// 捕获窗口位置  
    /// </summary>
    /// <param name="webimage"> 图片</param>
    /// <param name="chooseimage">选择的图片</param>
    /// <param name="isOK">前后摄像头</param>
    /// <returns></returns>
    public IEnumerator StartCamera(RawImage webimage, RawImage chooseimage, bool isOK)
    {
        webrawimage = webimage;
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            if (tex == null)
                tex = new WebCamTexture();

            WebCamDevice[] devices = WebCamTexture.devices;

            for (int i = 0; i < WebCamTexture.devices.Length; i++)
            {
                //如果是前置摄像机  
                if (WebCamTexture.devices[i].isFrontFacing && isOK)
                {
                    tex.deviceName = WebCamTexture.devices[i].name;
                    break;
                }
                //如果是后置摄像机  
                else if (!WebCamTexture.devices[i].isFrontFacing && !isOK)
                {
                    tex.deviceName = WebCamTexture.devices[i].name;
                    break;
                }
            }
            tex.Play();
        }
    }
    ///停止拍照
    public void StopCamera()
    {
        if (tex !=null)
            tex.Stop();
    }
    /// <summary>  
    /// 获取截图  
    /// </summary>  
    /// <returns>The texture.</returns>  
    public IEnumerator GetTexture(Action<Texture2D, byte[]> act)
    {
        yield return new WaitForEndOfFrame();
        Texture2D t = new Texture2D(tex.height, tex.width);// 旋转90度
        for (int i = 0; i < tex.height; i++)
            for (int j = 0; j < tex.width; j++)
            {
                t.SetPixel(i, j, tex.GetPixel(j, i));
            }
        //t.SetPixels(tex.GetPixels());
        t.Apply();
        byte[] byt = t.EncodeToPNG();

        tex.Play();
        act(t, byt);
    }
    /// <summary>  
    /// 连续捕获照片  
    /// </summary>  
    /// <returns>The photoes.</returns>  
    public IEnumerator SeriousPhotoes()
    {
        while (true)
        {
            yield return new WaitForEndOfFrame();
            Texture2D t = new Texture2D(400, 300, TextureFormat.RGB24, true);
            t.ReadPixels(new Rect(Screen.width / 2 - 180, Screen.height / 2 - 50, 360, 300), 0, 0, false);
            t.Apply();
            print(t);
            byte[] byt = t.EncodeToPNG();
            //          File.WriteAllBytes(Application.dataPath + "/MulPhotoes/" + Time.time.ToString().Split('.')[0] + "_" + Time.time.ToString().Split('.')[1] + ".png", byt);  
            Thread.Sleep(300);
        }
    }