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Question by Dainiusss · Feb 14, 2015 at 06:55 PM · c#errorgameobjectreferencestorage

"Object reference not set to an instance of an object" problem

Hello. I am fixing my code. I want it to be more optimised and not to be attached to gameObjects. I am getting an error : "Object reference not set to an instance of an object". I know what this problem means, but I do not know how to fix it. How can I receive my GameObjects from the place where I store them?

The place where problem occurs:

 public void create () 
 {
     //The problem***
     Digger = GameObject.Instantiate (Storage._Digger) as GameObject; //***
 }
 
 private _Storage          Storage; //See below
 private GameObject        Digger;                        

The _Storage class, where GameObjects are attatched to:

 public class _Storage : MonoBehaviour 
 {
     public GameObject _Digger;
 }

And the Main class, where Start() and Update() functions are done:

 public class _Main : MonoBehaviour 
 {    
     void Start () 
     {
         MainDigger.start ();
     }
 
     void Update () 
     {
         MainDigger.update ();
     }
 
     private DiggerMovement MainDigger = new DiggerMovement();
 }


NullReferenceException: Object reference not set to an instance of an object DiggerMovement.start () (at Assets/Scritps/DiggerMovement.cs:9) _Main.Start () (at Assets/Scritps/_Main.cs:9)"

Thanks

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Answer by Dainiusss · Feb 15, 2015 at 03:58 PM

Sorry for double post, but I solved this problem with little help and want to share the result, if someone will have the same issue in the future. I don't know if anyone will find this helpful, but anyways... sharing is caring. Also, if someone has any advice, it would be appreciated.

My storage class:

 public class _Storage : MonoBehaviour 
 {
     public GameObject _Digger;
 }

My object class (the same where the problem was):

 public class DiggerMovement
 {
 
     public void SetStorage(_Storage s)
     {
         Storage = s;
     }
 
     public void start () 
     {
         Digger = GameObject.Instantiate (Storage._Digger) as GameObject;
     }
 
     public void update()
     {}

     private _Storage        Storage;
     private GameObject        Digger;                                    
 }

My main class (where all the actions are done):

 public class _Main : MonoBehaviour 
 {    
     void Start () 
     {
         _Storage s = GameObject.Find ("Storage").GetComponent<_Storage> ();
         MainDigger.SetStorage (s);
         MainDigger.start ();
     }
 
     void Update () 
     {
         MainDigger.update ();
     }
 
     private DiggerMovement MainDigger = new DiggerMovement();
 }

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