private void TryAddManipulator(TouchDevice td)
{
if (_manipulators.ContainsKey(td.Id))
{
return;
}
var pos = td.GetPosition(_keyboardWnd);
_manipulators.Add(td.Id, new Manipulator2D(td.Id, (float)pos.X, (float)pos.Y));
var pivot = new ManipulationPivot2D();
if (_manipulators.Count > 1)
{
pivot.X = (_manipulators.Values.First().X + _manipulators.Values.Last().X) / 2;
pivot.Y = (_manipulators.Values.First().Y + _manipulators.Values.Last().Y) / 2;
}
else
{
pivot.X = (float)pos.X;
pivot.Y = (float)pos.Y;
}
pivot.Radius = (float)1.0;
_zoomManipProc.Pivot = pivot;
}
/******************************************************************************/
#region Constructor
public ManipulationItem()
{
InitializeComponent();
PivotButton.Click += OnPivotClick;
// The DeadZone is a little red ring that shows the area inside which
// no rotation or scaling will happen if you drag the mouse. We set
// it to four times the size of the manipulation processor's MininumScaleRotateRadius.
// Reason for the number:
// - x2, because diameter = 2 * radius
// - x2, because the number on the manipulation processor is radius from
// the center of mass of the manipulators being used, which in the case
// of this test app will be the midpoint between the mouse and the hub.
//DeadZone.Width = 4 * minScaleRotateRadius;
//DeadZone.Height = 4 * minScaleRotateRadius;
manipulationProcessor = new ManipulationProcessor2D(Manipulations2D.None);
manipulationProcessor.MinimumScaleRotateRadius = minScaleRotateRadius;
manipulationProcessor.Started += OnManipulationStarted;
manipulationProcessor.Started += OnManipulationStarted2;
manipulationProcessor.Delta += OnManipulationDelta;
manipulationProcessor.Completed += OnManipulationCompleted;
inertiaProcessor = new InertiaProcessor2D();
inertiaProcessor.TranslationBehavior.DesiredDeceleration = 0.0001F;
inertiaProcessor.RotationBehavior.DesiredDeceleration = 1e-6F;
inertiaProcessor.ExpansionBehavior.DesiredDeceleration = 0.0001F;
inertiaProcessor.Delta += OnManipulationDelta;
inertiaProcessor.Completed += OnInertiaCompleted;
inertiaTimer = new DispatcherTimer(
DispatcherPriority.Input,
Dispatcher.CurrentDispatcher);
inertiaTimer.IsEnabled = false;
inertiaTimer.Interval = TimeSpan.FromMilliseconds(25);
inertiaTimer.Tick += OnTimerTick;
pivot = new ManipulationPivot2D();
RenderTransformOrigin = new Point(0.5, 0.5);
Radius = 75;
Center = new Point(0, 0);
IsPivotActive = true;
Move(Radius, Radius, 0, 1);
}
private void TryAddManipulator(TouchDevice td)
{
if (_manipulators.ContainsKey(td.Id))
return;
var pos = td.GetPosition(_keyboardWnd);
_manipulators.Add(td.Id, new Manipulator2D(td.Id, (float) pos.X, (float) pos.Y));
var pivot = new ManipulationPivot2D();
if (_manipulators.Count > 1)
{
pivot.X = (_manipulators.Values.First().X + _manipulators.Values.Last().X)/2;
pivot.Y = (_manipulators.Values.First().Y + _manipulators.Values.Last().Y)/2;
}
else
{
pivot.X = (float) pos.X;
pivot.Y = (float) pos.Y;
}
pivot.Radius = (float) 1.0;
_zoomManipProc.Pivot = pivot;
}
