// Should be called when player looks at the button
 public void LookEnter()
 {
     if (type == "select")
     {
         gameObject.GetComponent <Renderer>().material.color = Color.green;
         if (transform.name == "LeftButton")
         {
             screen.SelectButtonHovered(0);
         }
         else if (transform.name == "RightButton")
         {
             screen.SelectButtonHovered(1);
         }
         else if (transform.name == "TopButton")
         {
             screen.SelectButtonHovered(2);
         }
         else if (transform.name == "BottomButton")
         {
             screen.SelectButtonHovered(3);
         }
     }
     else if (type == "center")
     {
         screen.CenterButtonActivated();
         // The button becomes hidden
         gameObject.SetActive(false);
     }
 }