// When a remote user joined, this delegate will be called. Typically
// create a GameObject to render video on it
protected virtual void OnUserJoined(uint uid, int elapsed)
{
Debug.Log("onUserJoined: uid = " + uid + " elapsed = " + elapsed);
// find a game object to render video stream from 'uid'
GameObject go = GameObject.Find(uid.ToString());
if (!ReferenceEquals(go, null))
{
return; // reuse
}
// create a GameObject and assign to this new user
VideoSurface videoSurface = makeImageSurface(uid.ToString());
if (!ReferenceEquals(videoSurface, null))
{
// configure videoSurface
videoSurface.SetForUser(uid);
videoSurface.SetEnable(true);
videoSurface.SetVideoSurfaceType(AgoraVideoSurfaceType.RawImage);
videoSurface.SetGameFps(30);
videoSurface.EnableFilpTextureApply(enableFlipHorizontal: true, enableFlipVertical: false);
UserVideoDict[uid] = videoSurface;
Vector2 pos = AgoraUIUtils.GetRandomPosition(100);
videoSurface.transform.localPosition = new Vector3(pos.x, pos.y, 0);
}
}
protected virtual void OnVideoSizeChanged(uint uid, int width, int height, int rotation)
{
Debug.LogWarningFormat("OnVideoSizeChanged width = {0} height = {1} for rotation:{2}", width, height, rotation);
if (UserVideoDict.ContainsKey(uid))
{
GameObject go = UserVideoDict[uid].gameObject;
Vector2 v2 = new Vector2(width, height);
RawImage image = go.GetComponent <RawImage>();
if (_enforcing360p)
{
v2 = AgoraUIUtils.GetScaledDimension(width, height, 360f);
}
if (IsPortraitOrientation(rotation))
{
v2 = new Vector2(v2.y, v2.x);
}
image.rectTransform.sizeDelta = v2;
}
}
protected VideoSurface makeImageSurface(string goName)
{
GameObject go = new GameObject();
if (go == null)
{
return(null);
}
go.name = goName;
// to be renderered onto
RawImage image = go.AddComponent <RawImage>();
image.rectTransform.sizeDelta = new Vector2(1, 1);// make it almost invisible
// make the object draggable
go.AddComponent <UIElementDragger>();
GameObject canvas = GameObject.Find("Canvas");
if (canvas != null)
{
go.transform.SetParent(canvas.transform);
}
// set up transform
go.transform.Rotate(0f, 0.0f, 180.0f);
Vector2 v2 = AgoraUIUtils.GetRandomPosition(100);
go.transform.localPosition = new Vector3(v2.x, v2.y, 0);
go.transform.localScale = Vector3.one;
// configure videoSurface
VideoSurface videoSurface = go.AddComponent <VideoSurface>();
return(videoSurface);
}
