/// <summary>
/// This function is called on the Interactable as the interactable enters the players interact zone
/// </summary>
void OnTriggerEnter( Collider col ){
//TODO: Add detection for which interactable is in focus if several objects are within the zone.
Interactable ii = col.gameObject.GetComponent<Interactable>();
if( ii != null && ii.enabled ){
r_InFocus = ii;
r_CachedFocus = ii;
r_InFocus.gainFocus();
setupInteractText();
r_GUIManager.interactTextActive( true );
}
}