public void ProcessEvent(PointerEvent inputEvent)
{
pointerEvents.Add(inputEvent);
// Update position and delta from whatever device sends position updates
LastPointerDevice = inputEvent.Pointer;
if (inputEvent.Device is IMouseDevice)
{
mousePosition = inputEvent.Position;
absoluteMousePosition = inputEvent.AbsolutePosition;
// Add deltas together, so nothing gets lost if a down events gets sent after a move event with the actual delta
MouseDelta += inputEvent.DeltaPosition;
AbsoluteMouseDelta += inputEvent.AbsoluteDeltaPosition;
}
}
/// <summary>
/// Updates a pointer event with position / type / id set and updates the storted pointer data
/// </summary>
/// <param name="evt"></param>
public void UpdatePointerState(PointerEvent evt, bool updateDelta = true)
{
var data = GetPointerData(evt.PointerId);
data.Id = evt.PointerId;
if (updateDelta)
{
// Update delta based on change in position
evt.DeltaPosition = data.Delta = evt.Position - data.Position;
}
else
{
data.Delta = evt.DeltaPosition;
}
// Update position
data.Position = evt.Position;
if (evt.EventType == PointerEventType.Pressed)
{
// Start pressed events with time 0
data.Clock.Restart();
data.IsDown = true;
pressedPointers.Add(data);
downPointers.Add(data);
}
else if (evt.EventType == PointerEventType.Released || evt.EventType == PointerEventType.Canceled)
{
releasedPointers.Add(data);
downPointers.Remove(data);
data.IsDown = false;
}
evt.IsDown = data.IsDown;
evt.DeltaTime = data.Clock.Elapsed;
// Reset pointer clock
data.Clock.Restart();
}
private float GetDeltaY(PointerEvent pointerEvent)
{
return(pointerEvent.DeltaPosition.Y);
}
private float GetPositionY(PointerEvent pointerEvent)
{
return(pointerEvent.Position.Y);
}