/**************************************************
* Gets the interactuable entity closest to the GameObject
* passed by parameter.
*
* Returns an Interactuable object.
**************************************************/
public static Interactuable GetClosestInteractuableEntity(GameObject player)
{
Interactuable[] closeInteractEntities;
closeInteractEntities = GameObject.FindObjectsOfType <Interactuable> ();
if (closeInteractEntities.Length > 0)
{
Interactuable closest = null;
Vector3 playerPosition = player.transform.position;
float previousDistance = Mathf.Infinity;
foreach (Interactuable interactuableEntity in closeInteractEntities)
{
Vector3 currentPosition = interactuableEntity.transform.position;
float currentDistance = Vector3.Distance(playerPosition, currentPosition);
if (currentDistance < previousDistance)
{
closest = interactuableEntity;
previousDistance = currentDistance;
}
}
if (previousDistance < distanceToInteract)
{
GUIManager.activateInteractuablePopup();
return(closest.GetComponent <Interactuable>());
}
else
{
GUIManager.deactivateInteractuablePopup();
return(null);
}
}
else
{
return(null);
}
}
