public void OnDrag(PointerEventData eventData)
{
position = eventData.position;
List <IDragReceiver> dragReceivers;
bool recordExists = dragReceiversByPointer.TryGetValue(eventData.pointerId, out dragReceivers);
if (recordExists)
{
IDragReceiver dragReceiver = GetCloserObject(dragReceivers);
if (dragReceiver != null)
{
dragReceiver?.OnDrag(InputController.Instance.ScreenToWorldPoint(eventData.position));
}
}
}
/// <summary>
/// Obtener el receptor más cercano
/// </summary>
/// <param name="dragReceivers"></param>
/// <returns></returns>
public IDragReceiver GetCloserObject(List <IDragReceiver> dragReceivers)
{
if (dragReceivers.Count > 0)
{
IDragReceiver closer = dragReceivers[0];
float closerDistance = float.MaxValue;
if (closer != null)
{
GameObject gameObject = closer.GetGameObject();
if (gameObject)
{
closerDistance = gameObject.transform.position.z - InputController.Instance.mainCamera.transform.position.z;
}
else
{
closer = null;
}
}
for (int i = 1; i < dragReceivers.Count; i++)
{
float distance = float.MaxValue;
if (dragReceivers[i] != null)
{
GameObject gameObject = dragReceivers[i].GetGameObject();
if (gameObject)
{
distance = gameObject.transform.position.z - InputController.Instance.mainCamera.transform.position.z;
}
}
if (distance < closerDistance)
{
closerDistance = distance;
closer = dragReceivers[i];
}
}
return(closer);
}
return(null);
}
public void Register(IDragReceiver receiver)
{
DragReceivers.Add(receiver);
}
