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Question by Ful · Nov 17, 2012 at 06:57 PM · javascripterror

null exception reference on animation Unity 3.5+

Hello everyone, it appears that whenever I interact with one of my gameobjects I keep getting this error message null exception reference. I'm pretty sure that it has to do with the animation espect (even though it does work when I select play on awake), but also unity keeps referencing it.

Anyway Here's the code I attach to my first version controller, I'm just basically using a simple raycasting and if I were to press the letter E on the recorder then it access another script where an animation along with an sound is played.

 #pragma strict
 
 // Exit Door
 
 var recorder : GameObject;
 var Cube1 : GameObject;
 
 
 function Update () {
 
     var ray = Camera.main.ScreenPointToRay (Input.mousePosition);
     var hit : RaycastHit;
 
     if(Input.GetKeyDown("e")){
         if(Physics.Raycast (ray, hit, 2)) {
     
             Debug.Log("Name: "+hit.collider.name);
             
             if(hit.collider.name == "Recorder"){
                 recorder.GetComponent (RecorderOn).RecoOn();
             
             }    
         }
     }
 }

The other Script is here and its called RecorderOn:

 var recorder : GameObject;
 var Cube1 : GameObject;
 var recording : AudioClip;
 
 function RecoOn () {
 
     recorder.transform.parent.animation.Play("RecOn"); // This is the error
     audio.PlayOneShot(recording);
     gameObject.Find ("Cube1").renderer.enabled = true;
 
 }

Once Again any help is highly appreciated and thanks!

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Answer by Loius · Nov 17, 2012 at 08:41 PM

Either recorder is null ("has not been given any value") or that object doesn't have an animation component attached.

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Answer by Coreyf716 · Nov 17, 2012 at 07:24 PM

Try this:

 function RecoOn() {
      GameObject.Find("// Parent GameObject").animation.Play("RecOn");
      audio.PlayOneShot(recording);
      GameObject.Find ("Cube1").renderer.enabled = true;
 }

Also, it's 'GameObject.Find'.

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avatar image Ful · Nov 17, 2012 at 07:46 PM 0
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Hey thanks for the help, unfortunately it still gives me the error on line "GameObject.Find ("recorder").animation.Play("RecOn");"

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