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This question was closed Dec 25, 2019 at 03:40 PM by secchierojacopo for the following reason:

I found the i put a null in another script and i forgot about it

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Question by secchierojacopo · Dec 25, 2019 at 12:16 PM · c#gameobjectinstantiateprefabreference

gameObject are not referenced

I have this script in my prefab, after i instantiate it all works good, but can't reference the gameObject itself outside OnCollisionEnter2D().

 public class getCollisionBall : MonoBehaviour
 {
     getData dataCol = null;
     void OnCollisionEnter2D(Collision2D colInfo)
     {
         if (colInfo.gameObject.name.Contains("Player"))
         {
             dataCol = colInfo.gameObject.GetComponent<getData>();
             dataCol.hittedBall = gameObject;
             Debug.Log(gameObject); //THIS WORKS! is the gameObject
             
             dataCol.vanish = true;
             Debug.Log(gameObject); //THIS WORKS! is true
         }
     }
 
     void Update()
     {
         if (dataCol != null
             && dataCol.hittedBall != null) {
             Debug.Log("GAMEOBJECT HERE"); //THIS NOT WORKS! is null, but i excpet the gameObject here
         }
         if (dataCol != null
             && dataCol.vanish) {
             Debug.Log("VANISH HERE"); //THIS WORKS! is true
         }
     }
 }


 public class getData : MonoBehaviour
 {
     public GameObject hittedBall = null;
     public bool vanish = false;
 }
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avatar image DiegoSLTS · Dec 25, 2019 at 03:22 PM 0
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Can you share the "getData" class too?

avatar image secchierojacopo DiegoSLTS · Dec 25, 2019 at 03:30 PM 0
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@DiegoSLTS i have updated the question with getData

avatar image secchierojacopo DiegoSLTS · Dec 25, 2019 at 03:41 PM 0
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never$$anonymous$$d, problem on my side. Closed

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Answer by cgklutts · Dec 25, 2019 at 02:44 PM

From what I gather you need to change...

 dataCol.hittedBall = gameObject;

To this...

  dataCol.hittedBall = colInfo.gameObject;


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Answer by secchierojacopo · Dec 25, 2019 at 03:10 PM

thanks for the help, but this is not what i want @cgklutts.
I want to pass the current gameObject owner to the dataCol structure.
dataCol.hittedBall = gameObject it's fine, in fact dataCol.hittedBall contain correctly the object if i try to read from onCollisionEnter2D()
But if i try to read from Update() i get null and Debug.Log("GAMEOBJECT HERE") never happen.

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