void IEndDragHandler.OnEndDrag(PointerEventData eventData)
{
eventData.selectedObject = null;
CanvasGroup.blocksRaycasts = true;
var raycast = new List <RaycastResult>();
EventSystem.current.RaycastAll(eventData, raycast);
var onDrop = raycast.Where(r => r.gameObject == zone.gameObject).Any();
if (onDrop && usable)
{
grip.Discard(card, heap);
}
PutBack();
zone.StopDragging();
}
async Task IInteractive.Interact()
{
grip.Discard(card, heap);
await Task.CompletedTask;
}