void OnTouchBegan(Touch touch)
{
int fingerId = touch.fingerId;
if (touch.phase == TouchPhase.Began)
{
GameObject selectedObject = _objectSelector.DetermineSelection(touch.position);
//assigning current touch objects
if (!_currentSelection.ContainsKey(fingerId))
{
_currentSelection.Add(fingerId, selectedObject);
}
else
{
_currentSelection[fingerId] = selectedObject;
}
//assign selected object as beginning object selected
_selectedOnTouchBegan[fingerId] = _currentSelection[fingerId];
//selection respond to object being actively selected
if (_currentSelection[fingerId])
{
//change it here TODO
//if (!_currentSelection[fingerId].GetComponent<DragSnapSelectionResponse>())
_selectionResponse.IsSelected(_currentSelection[fingerId], touch.position);
}
}
}
//public virtual GameObject DetermineSelection(Vector3 inputPosition)
//{
// //create ray
// Ray ray = Camera.main.ScreenPointToRay(inputPosition);
// //draw raycast
// Debug.DrawLine(ray.origin, ray.direction, Color.red);
// RaycastHit2D hit = Physics2D.Raycast(ray.origin, ray.direction);
// //check that it hit something
// if (!hit)
// return null;
// return hit.collider.gameObject;
//}
public virtual void IsSelected(GameObject gameObject, Vector3 inputPosition)
{
//check it exists
if (gameObject)
{
//check if it has its own selection response
ISelectionResponse selectionResponse = gameObject.GetComponent <ISelectionResponse>();
if (selectionResponse != null)
{
selectionResponse.IsSelected(gameObject, inputPosition);
}
else
{
//use default implementation
//follow input position
//var position = Camera.main.ScreenToWorldPoint(inputPosition);
//gameObject.transform.position = new Vector2(position.x, position.y);
}
}
}