void ManipulationTranslate_ManipulationUpdated(SpatialGestureRecognizer sender, SpatialManipulationUpdatedEventArgs args)
{
var data = args.TryGetCumulativeDelta(referenceFrame.CoordinateSystem);
if (data != null)
{
var vector = new Vector3(data.Translation.X, data.Translation.Y, -data.Translation.Z);
Application.InvokeOnMain(() => app.OnGestureManipulationUpdated(vector));
}
}
private void OnGestureManipulationUpdated(SpatialGestureRecognizer sender, SpatialManipulationUpdatedEventArgs args)
{
if (this.ManipulationUpdatedEvent != null)
{
WaveForegroundTask.Run(() =>
{
this.ManipulationUpdatedEvent(
this.service,
(SpatialSource)args.InteractionSourceKind,
args.TryGetCumulativeDelta(this.CoordinateSystem).Translation.ToWave(),
this.mixedRealityApplication.HeadRay);
});
}
}
// Summary:
// Handler for manipulation updated events. Stores relative offsets for later processing.
private void OnManipulationUpdated(object sender, SpatialManipulationUpdatedEventArgs e)
{
// Get the manipulation delta relative to the frame of reference from when the manipulation began
// Using a stationary frame of reference prevents movements of the device from affecting the gesture offset
try
{
SpatialManipulationDelta manipulationDelta =
e.TryGetCumulativeDelta(stationaryFrameOfReference.CoordinateSystem);
// Store the offset
lastGestureOffset = manipulationDelta.Translation;
}
catch
{
// If TryGetCumulativeDelta throws an exception, clear and disarm
ClearSetpointsAndDisarm();
}
}