/// <summary>
/// Detect new gestures
/// </summary>
/// <returns></returns>
private async void DetectGesture(List <Touch> touchList)
{
if (touchList != null && touchList.Count > 0)
{
await SortingGesture.Detect(touchList, controllers);
await DeletingBoxGesture.Detect(touchList, controllers);
}
}
/// <summary>
/// Detect the sorting gesture (Drag and drop the card to the sorting box).
/// The touches in the sorting gesture will be removed from the touchList
/// </summary>
/// <param name="touchList"></param>
/// <returns></returns>
internal static async Task Detect(List <Touch> touchList, CentralControllers controllers)
{
List <Touch> usedTouches = new List <Touch>();
SortingGesture gesture = null;
foreach (Touch touch in touchList)
{
if (touch.Type == typeof(Card) && !usedTouches.Contains(touch))
{
Card card = touch.Sender as Card;
SortingBox[] boxes = controllers.SortingBoxController.GetAllSortingBoxes();
foreach (SortingBox box in boxes)
{
bool isIntersect = await box.IsIntersected(card.Position);
if (isIntersect)
{
foreach (Touch otherTouches in touchList)
{
if (touch.Sender == otherTouches.Sender && !usedTouches.Contains(otherTouches))
{
usedTouches.Add(otherTouches);
}
}
gesture = new SortingGesture(controllers.GestureController);
gesture.AssociatedTouches = usedTouches;
gesture.AssociatedObjects = new List <object>()
{
card, box
};
gesture.AssociatedObjectTypes = new List <Type>()
{
typeof(Card), typeof(SortingBox)
};
SortingListener listener = controllers.ListenerController.GetListener(typeof(SortingListener)) as SortingListener;
RegisterListener(gesture, listener);// Register the gesture and add the gesture to the gesture list.
}
}
}
}
foreach (Touch touch in usedTouches)
{
touchList.Remove(touch);
}
}
