void Update()
{
// PROCESS INTERACTIVE OBJECTS
// Is the crosshair over a usuable item or descriptive item...first get ray from centre of screen
var ray = _camera.ScreenPointToRay(new Vector3(Screen.width / 2, Screen.height / 2, 0));
// Cast Ray and collect ALL hits
var hits = Physics.RaycastAll(ray, 5, _interactiveMask | _backpackMask);
// Process the hits for the one with the highest priority
if (hits.Length > 0)
{
// Used to record the index of the highest priority
int highestPriority = int.MinValue;
InteractiveItem priorityObject = null;
// Iterate through each hit
foreach (var hit in hits)
{
// Fetch its InteractiveItem script from the database
InteractiveItem interactiveObject = _gameSceneManager.GetInteractiveItem(hit.collider.GetInstanceID());
// If this is the highest priority object so far then remember it
if (interactiveObject != null && interactiveObject.Priority > highestPriority)
{
priorityObject = interactiveObject;
highestPriority = priorityObject.Priority;
}
}
if (priorityObject != null)
{
if (priorityObject.activationType == ActivationType.MouseButtonPressed && Input.GetMouseButton(0) ||
priorityObject.activationType == ActivationType.MouseButtonDown && Input.GetMouseButtonDown(0))
{
priorityObject.Drag(this);
}
}
}
if (SelectedDraggableItem != null)
{
SelectedDraggableItem.Drag(this);
if (Input.GetMouseButtonUp(0))
{
SelectedDraggableItem.Drop();
SelectedDraggableItem = null;
}
}
if (SelectedStorageItem != null && Input.GetMouseButtonUp(0))
{
SelectedStorageItem.Drop();
SelectedStorageItem = null;
}
}
public virtual CollectableItem Drop(Vector3 position)
{
if (CollectableItem != null)
{
CollectableItem.transform.position = position;
CollectableItem.Drop();
return(CollectableItem);
}
return(null);
}