private Task OnAnnotationUpdated(MessageContainer obj)
{
MessageUpdateAnnotation message = MessageUpdateAnnotation.Unpack(obj);
if (annotationList.ContainsKey(message.Id))
{
var annotation = annotationList[message.Id];
annotation.transform.localPosition = message.Position;
}
else if (AnnotationPrefab)
{
var annotation = Instantiate(AnnotationPrefab, worldAnchor);
annotation.transform.localPosition = message.Position;
annotation.Id = message.Id;
annotation.SetColor(message.Color);
annotationList.Add(annotation.Id, annotation);
}
return(Task.CompletedTask);
}
/// <summary>
/// This method adds a new annotation.
/// </summary>
public void AddAnnotation()
{
if (!AnnotationPrefab)
{
return;
}
Transform cameraTransform = CameraCache.Main ? CameraCache.Main.transform : null;
foreach (var source in CoreServices.InputSystem.DetectedInputSources)
{
// Only look for hands
if (source.SourceType == Microsoft.MixedReality.Toolkit.Input.InputSourceType.Hand)
{
foreach (var pointer in source.Pointers)
{
if (pointer is IMixedRealityNearPointer || true)
{
Vector3 position;
if (pointer.Result != null)
{
position = pointer.Result.Details.Point;
}
else
{
position = pointer.Position;
}
if (cameraTransform != null)
{
if ((cameraTransform.position - position).magnitude > 3)
{
position = cameraTransform.position + ((position - cameraTransform.position) * 0.5f);
}
}
var annotation = Instantiate(AnnotationPrefab, worldAnchor);
annotation.transform.position = position;
annotation.Id = Guid.NewGuid();
annotation.SetColor(Services.UserManager().Color);
annotationList.Add(annotation.Id, annotation);
var message = new MessageUpdateAnnotation(annotation.Id, annotation.transform.localPosition, annotation.Color);
Services.NetworkManager().SendMessage(message.Pack());
return; // only take first valid pointer
}
}
}
}
if (cameraTransform != null)
{
Vector3 position = cameraTransform.position;
var annotation = Instantiate(AnnotationPrefab, worldAnchor);
annotation.transform.position = position;
annotation.Id = Guid.NewGuid();
annotation.SetColor(Services.UserManager().Color);
annotationList.Add(annotation.Id, annotation);
var message = new MessageUpdateAnnotation(annotation.Id, annotation.transform.localPosition, annotation.Color);
Services.NetworkManager().SendMessage(message.Pack());
return; // only take first valid pointer
}
}
/// <summary>
/// Sends the current position and color over network when the position has been updated.
/// </summary>
public void PositionUpdated()
{
var message = new MessageUpdateAnnotation(Id, transform.localPosition, Color);
Services.NetworkManager().SendMessage(message.Pack());
}