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Question by casperskyly · Feb 26, 2013 at 07:28 PM · errorscenemenuteleport

Object reference not set to an instance of an object.

I am making a 1 scene menu with teleporting but I always get the message: NullReferenceException: Object reference not set to an instance of an object. This is the code:

 var dest : Transform;
 var clicksound : AudioClip;
 var Player : Transform;
 
 function Update()
 {
     if (Input.GetMouseButtonDown(0) ){
         var hit : RaycastHit;
         if ( hit.collider.gameObject.tag == "Link" ){
            AudioSource.PlayClipAtPoint(clicksound, dest.position);
            Player.position = dest.position;
         }
     }
 }
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Answer by robertbu · Feb 26, 2013 at 07:36 PM

You don't say what line the error is on, but you are missing a Raycast(). You are using an uninitialized hit variable on line 9. I'm not sure where you want the ray to point.

Here is an example casting from the center of the screen (untested):

 var dest : Transform;
 var clicksound : AudioClip;
 var Player : Transform;
  
 function Update()
 {
     if (Input.GetMouseButtonDown(0) ){
         var ray : Ray = Camera.main.ViewportPointToRay(Vector3(0.5, 0.5, 0));
         var hit : RaycastHit;
         if (Physics.Raycast(ray, hit))
         {
             if ( hit.collider.gameObject.tag == "Link" ){
                AudioSource.PlayClipAtPoint(clicksound, dest.position);
               Player.position = dest.position;
            }
         }
     }
 }
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avatar image casperskyly · Feb 26, 2013 at 08:37 PM 0
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It didn't work but checked it and error is at line 8.

avatar image robertbu · Feb 26, 2013 at 08:52 PM 0
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I just tried it, and it worked just fine. No errors at either compile time or run time. Note dest, and Player need to be assigned. Select the game object this script is attached to, then drag and drop those resources on top of the variables.

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