AgoraVideoChat_CreateUserVideoSurface.cs

    [SerializeField]
    private GameObject avatarVideoPrefab;
    
    // Create new image plane to display users in party.
    private void CreateUserVideoSurface(uint uid, bool isLocalUser, bool isAvatar)
    {
        // Avoid duplicating Local player VideoSurface image plane.
        for (int i = 0; i < playerVideoList.Count; i++)
        {
            if (playerVideoList[i].name == uid.ToString())
            {
                return;
            }
        }

        // Get the next position for newly created VideoSurface to place inside UI Container.
        float spawnY = playerVideoList.Count * spaceBetweenUserVideos;
        Vector3 spawnPosition = new Vector3(0, -spawnY, 0);

        // Create Gameobject that will serve as our VideoSurface.
        GameObject newUserVideo = Instantiate(isAvatar ? avatarVideoPrefab : userVideoPrefab, spawnPosition, spawnPoint.rotation);
        if (newUserVideo == null)
        {
            Debug.LogError("CreateUserVideoSurface() - newUserVideoIsNull");
            return;
        }
        newUserVideo.name = uid.ToString();
        newUserVideo.transform.SetParent(spawnPoint, false);

        playerVideoList.Add(newUserVideo);

        if (isAvatar)
        {
            // The AvatarViewController will encapsulate logic to assign user id
        }
        else
        {
            newUserVideo.transform.rotation = Quaternion.Euler(Vector3.right * -180);
            AssignAgoraSurface(newUserVideo, isLocalUser ? 0 : uid);
        }


        // Update our "Content" container that holds all the newUserVideo image planes
        content.sizeDelta = new Vector2(0, playerVideoList.Count * spaceBetweenUserVideos + 140);

        UpdatePlayerVideoPostions();
        UpdateLeavePartyButtonState();
    }


    void AssignAgoraSurface(GameObject newUserVideo, uint uid)
    {
        // Update our VideoSurface to reflect new users
        VideoSurface newVideoSurface = newUserVideo.GetComponent<VideoSurface>();
        if (newVideoSurface == null)
        {
            Debug.LogWarning("CreateUserVideoSurface() - VideoSurface component is null on newly joined user");

            newVideoSurface = newUserVideo.AddComponent<VideoSurface>();
        }

        newVideoSurface.SetForUser(uid);
        newVideoSurface.SetGameFps(30);
    }
    private void OnJoinChannelSuccessHandler(string channelName, uint uid, int elapsed)
    {
        if (!photonView.isMine)
            return;

        myUID = uid;

        CreateUserVideoSurface(uid, true, true);
    }

    // Remote Client Joins Channel.
    private void OnUserJoinedHandler(uint uid, int elapsed)
    {
        if (!photonView.isMine)
            return;

        CreateUserVideoSurface(uid, false, false);
    }