private void Touched(NSSet touchesSet, UIEvent evt)
{
if (touchesSet != null)
{
// Convert touches to pointer events
foreach (var item in touchesSet)
{
var uitouch = (UITouch)item;
var pointerEvent = new PointerDeviceState.InputEvent();
var touchId = uitouch.Handle.ToInt32();
pointerEvent.Position = Normalize(CGPointToVector2(uitouch.LocationInView(uiControl.GameView)));
switch (uitouch.Phase)
{
case UITouchPhase.Began:
pointerEvent.Type = PointerEventType.Pressed;
break;
case UITouchPhase.Moved:
case UITouchPhase.Stationary:
pointerEvent.Type = PointerEventType.Moved;
break;
case UITouchPhase.Ended:
pointerEvent.Type = PointerEventType.Released;
break;
case UITouchPhase.Cancelled:
pointerEvent.Type = PointerEventType.Canceled;
break;
default:
throw new ArgumentException("Got an invalid Touch event in GetState");
}
// Assign finger index (starting at 0) to touch ID
int touchFingerIndex = 0;
if (pointerEvent.Type == PointerEventType.Pressed)
{
touchFingerIndex = touchCounter++;
touchFingerIndexMap.Add(touchId, touchFingerIndex);
}
else
{
touchFingerIndex = touchFingerIndexMap[touchId];
}
// Remove index
if (pointerEvent.Type == PointerEventType.Released)
{
touchFingerIndexMap.Remove(touchId);
touchCounter = 0; // Reset touch counter
// Recalculate next finger index
if (touchFingerIndexMap.Count > 0)
{
touchFingerIndexMap.ForEach(pair => touchCounter = Math.Max(touchCounter, pair.Value));
touchCounter++; // next
}
}
pointerEvent.Id = touchFingerIndex;
PointerState.PointerInputEvents.Add(pointerEvent);
}
}
}
private void AddPointerEvent(PointerDeviceState.InputEvent evt)
{
PointerState.PointerInputEvents.Add(evt);
}
