/// <summary>
/// Handles interaction events.
/// </summary>
/// <param name="event_">The <see cref="InteractionEvent"/> instance containing the event data.</param>
/// <param name="frameTimestamp">The timestamp of the frame the event was received.</param>
/// <param name="gameViewInfo">Information about game view position and pixel scaling.</param>
public void HandleEvent(InteractionEvent event_, float frameTimestamp, GameViewInfo gameViewInfo)
{
var eventBehaviors = event_.Behaviors;
HandleEvent(eventBehaviors, frameTimestamp, gameViewInfo);
lock (_lock)
{
_lastDataPoints.Add(Last);
}
foreach (var eventBehavior in eventBehaviors)
{
eventBehavior.Dispose();
}
}
/// <summary>
/// Update is called every frame, if the MonoBehaviour is enabled.
/// </summary>
void Update()
{
_frameTimestamp = Time.time;
if (_engineVersion == null && IsInitialized && _isConnected)
{
_engineVersion = GetEngineVersion();
}
// update the gameView Position, in case the game window has been moved or resized.
var gameViewBounds = _gameViewBoundsProvider.GetGameViewPhysicalBounds();
var gameViewPosition = new Vector2(gameViewBounds.x, gameViewBounds.y);
var gameViewPixelsPerDesktopPixel = new Vector2(Screen.width / gameViewBounds.width, Screen.height / gameViewBounds.height);
_gameViewInfo = new GameViewInfo(gameViewPosition, gameViewPixelsPerDesktopPixel);
_gazeFocus.UpdateGazeFocus();
StartCoroutine(DoEndOfFrameCleanup());
}
protected abstract void HandleEvent(IEnumerable <Behavior> eventBehaviors, float frameTimestamp, GameViewInfo gameViewInfo);
protected override void HandleEvent(IEnumerable <Behavior> eventBehaviors, float frameTimestamp, GameViewInfo gameViewInfo)
{
// Note that this method is called on a worker thread, so we MAY NOT access any game objects from here.
// The data is stored in the Last property and used from the main thread.
foreach (var behavior in eventBehaviors)
{
EyePositionDataEventParams eventParams;
if (behavior.TryGetEyePositionDataEventParams(out eventParams))
{
var left = new SingleEyePosition(eventParams.HasLeftEyePosition != EyeXBoolean.False, (float)eventParams.LeftEyeX, (float)eventParams.LeftEyeY, (float)eventParams.LeftEyeZ);
var leftNormalized = new SingleEyePosition(eventParams.HasLeftEyePosition != EyeXBoolean.False, (float)eventParams.LeftEyeXNormalized, (float)eventParams.LeftEyeYNormalized, (float)eventParams.LeftEyeZNormalized);
var right = new SingleEyePosition(eventParams.HasRightEyePosition != EyeXBoolean.False, (float)eventParams.RightEyeX, (float)eventParams.RightEyeY, (float)eventParams.RightEyeZ);
var rightNormalized = new SingleEyePosition(eventParams.HasRightEyePosition != EyeXBoolean.False, (float)eventParams.RightEyeXNormalized, (float)eventParams.RightEyeYNormalized, (float)eventParams.RightEyeZNormalized);
Last = new EyePositions(left, leftNormalized, right, rightNormalized, eventParams.Timestamp, frameTimestamp);
}
}
}
protected override void HandleEvent(IEnumerable <Behavior> eventBehaviors, float frameTimestamp, GameViewInfo gameViewInfo)
{
// Note that this method is called on a worker thread, so we MAY NOT access any game objects from here.
// The data is stored in the Last property and used from the main thread.
foreach (var behavior in eventBehaviors)
{
FixationDataEventParams eventParams;
if (behavior.TryGetFixationDataEventParams(out eventParams))
{
var gazePointInUnityScreenSpace = gameViewInfo.DisplaySpaceToUnityScreenSpace((float)eventParams.X, (float)eventParams.Y);
var gazePoint = new GazePoint(
gazePointInUnityScreenSpace,
eventParams.Timestamp,
frameTimestamp);
Last = new FixationPoint(gazePoint, eventParams.EventType, eventParams.Timestamp, frameTimestamp);
}
}
}
