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Question by yotama9 · Oct 12, 2016 at 03:53 PM · prefabspawninstantiation

How can i define a costume function for an object in a prefub that I spawn?

I'm new to Unity, and my background in coding is mostly scientific programming/scripting so please be gentle.

I have a prefab called guy that has a script file attached to it. This script file has a function, test defined as

 void test(){
      //boring, I know, later this will actually do something
      Debug.Log("Test");
      Debug.Break();
 }

I spawn guy when player is created (in player.Start() and I want guy to be stored inside of it. This is what I do

 public GameObject guy;

 void Start(){
      //Some stuff happen before, but this is the part where I create guy
       GameObject myguy = (GameObject)Instantiate(guy, new Vector3(1,1,1), Quaternion.identity)
       myguy.test()
 }

But I get an error saying UnityEngine.GameObject' does not contain a defi nition for `test' and no extension method `test' of type `UnityEngine.GameObject' could be found (are you missing a using directive or an assembly reference?

I believe I should cast the Instantiate product into my prefab object, but I can'f find out how.

What am I doing wrong?

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Answer by doublemax · Oct 12, 2016 at 04:08 PM

 GameObject go = (GameObject)Instantiate(guy, new Vector3(1,1,1), Quaternion.identity);
 
 GuyScript myguy = go.GetComponent<GuyScript>();
 myguy.test()

Replace "GuyScript" with the name of the script/class attached to the prefab.

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