private void CheckTriggerExit(GameObject other)
{
Usable usable = other.GetComponent <Usable>();
if (usable != null)
{
if (usablesInRange.Contains(usable))
{
usablesInRange.Remove(usable);
}
if (currentUsable == usable)
{
if (DeselectedUsableObject != null)
{
DeselectedUsableObject(usable);
}
currentUsable = null;
if (usablesInRange.Count > 0)
{
currentUsable = usablesInRange[0];
if (SelectedUsableObject != null)
{
SelectedUsableObject(currentUsable);
}
}
}
}
}
/// <summary>
/// Runs a raycast to see what's under the selection point. Updates the selection and
/// calls the selection delegates if the selection has changed. If the player hits the
/// use button, sends an OnUse message to the selection.
/// </summary>
void Update()
{
// Exit if disabled or paused:
if (!enabled || (Time.timeScale <= 0))
{
return;
}
// Exit if there's no camera:
if (Camera.main == null)
{
return;
}
// Cast a ray and see what we hit:
Ray ray = Camera.main.ScreenPointToRay(GetSelectionPoint());
RaycastHit hit;
if (Physics.Raycast(ray, out hit, maxSelectionDistance, layerMask))
{
distance = (distanceFrom == DistanceFrom.Camera) ? hit.distance : Vector3.Distance(gameObject.transform.position, hit.collider.transform.position);
if (selection != hit.collider.gameObject)
{
Usable hitUsable = hit.collider.gameObject.GetComponent <Usable>();
if (hitUsable != null)
{
usable = hitUsable;
selection = hit.collider.gameObject;
if (SelectedUsableObject != null)
{
SelectedUsableObject(usable);
}
}
else
{
DeselectTarget();
}
}
}
else
{
DeselectTarget();
}
// If the player presses the use key/button, send the OnUse message:
if (IsUseButtonDown() && (usable != null) && (distance <= usable.maxUseDistance))
{
if (broadcastToChildren)
{
usable.gameObject.BroadcastMessage("OnUse", this.transform, SendMessageOptions.DontRequireReceiver);
}
else
{
usable.gameObject.SendMessage("OnUse", this.transform, SendMessageOptions.DontRequireReceiver);
}
}
}
private void DeselectTarget()
{
if ((usable != null) && (DeselectedUsableObject != null))
{
DeselectedUsableObject(usable);
}
usable = null;
selection = null;
}
private void CheckTriggerEnter(GameObject other)
{
Usable usable = other.GetComponent <Usable>();
if (usable != null)
{
currentUsable = usable;
if (!usablesInRange.Contains(usable))
{
usablesInRange.Add(usable);
}
if (SelectedUsableObject != null)
{
SelectedUsableObject(usable);
}
}
}