void AddItem(Vector3 position)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.localScale = new Vector3(.2f, .2f, .2f);
go.transform.parent = itemParent.transform;
go.transform.position = position;
go.AddComponent <NavMeshObstacle> (); //can edit area being carved out here
go.GetComponent <NavMeshObstacle> ().carving = true; //used for carving out navmesh
quadTree.Add(go);
}
