GuiText on Object when Camera in Center

hello. so far i have found a script using the OnMouseOver function to have guiText appear on objects and it works. however since i am in FPV i want to make it when the center of the camera is on a object it shows the guiText. this is my first post. love the program.

this is the code in java thanks

      var text = "YOUR TEXT HERE";
      
      private var currentToolTipText = "";
      private var guiStyleFore : GUIStyle;
      private var guiStyleBack : GUIStyle;
      
      function Start()
      {
          guiStyleFore = new GUIStyle();
          guiStyleFore.normal.textColor = Color.white;  
          guiStyleFore.alignment = TextAnchor.UpperCenter ;
          guiStyleFore.wordWrap = true;
          guiStyleBack = new GUIStyle();
          guiStyleBack.normal.textColor = Color.black;  
          guiStyleBack.alignment = TextAnchor.UpperCenter ;
          guiStyleBack.wordWrap = true;
      }
      
      function OnMouseEnter ()
      {
      
          currentToolTipText = text;
      }
      
      function OnMouseExit ()
      {
          currentToolTipText = "";
      }
      
      function OnGUI()
      {
          if (currentToolTipText != "")
          {
              var x = Event.current.mousePosition.x;
              var y = Event.current.mousePosition.y;
              GUI.Label (Rect (x-149,y+40,300,60), currentToolTipText, guiStyleBack);
              GUI.Label (Rect (x-150,y+40,300,60), currentToolTipText, guiStyleFore);
          }
      }