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Question by Games52 · Feb 26, 2019 at 02:24 PM · c#gameobjectprefabsetactivefindwithtag

Activating a prefab in the scene by find it over a tag?

Hello everyone, i want to activating a prefab. To do this i want to use a tag, to find the GameObject and then use SetActive(true) to set set it active. I tried this code but it doesnt work.

     private int ActiveCannon;
     public GameObject Cannon1;
     public GameObject Cannon2;
     public GameObject Cannon3;
     public GameObject Cannon4;
     public GameObject Cannon5;
     public GameObject Cannon6;
     
     void Start () {
     ActiveCannon = PlayerPrefs.GetInt("ActiveCannon");

             if (ActiveCannon == 1)
             {
                 Cannon1 = GameObject.FindWithTag("Cannon1");
                 Cannon1.SetActive(true);
             }
             if (ActiveCannon == 2)
             {
                 Cannon2 = GameObject.FindWithTag("Cannon2");
                 Cannon2.SetActive(true);
             }
             if (ActiveCannon == 3)
             {
                 Cannon3 = GameObject.FindWithTag("Cannon3");
                 Cannon3.SetActive(true);
             }
             if (ActiveCannon == 4)
             {
                 Cannon4 = GameObject.FindWithTag("Cannon4");
                 Cannon4.SetActive(true);
             }
             if (ActiveCannon == 5)
             {
                 Cannon5 = GameObject.FindWithTag("Cannon5");
                 Cannon5.SetActive(true);
             }
             if (ActiveCannon == 6)
             {
                 Cannon6 = GameObject.FindWithTag("Cannon6");
                 Cannon6.SetActive(true);
             }   }

Sorry for my bad english.

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avatar image kaplica · Feb 26, 2019 at 02:29 PM 0
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So what does not work? Because the actual code does this:

You find a reference to tag "Cannon6" and you assign to a Cannon6 variable, then you make that gameobject active (you enable it). What does sets the int? (activecannon)

Have you tried debugging (setting breakpoints in visual studio) ?

Is the prefab arleady in the scene? If you are referencing then it must be, otherwise it has to be instantiated.

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Answer by WarmedxMints · Feb 26, 2019 at 02:29 PM

I believe FindWithTag only returns active gameobjects so you would need to store a reference to your cannons somewhere and activate from that.

I would suggest you make a List in a manager somewhere and have the cannons add themselves to it on start. You can then just active an index in that List.

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avatar image Games52 · Feb 26, 2019 at 02:39 PM 0
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Yes, thats Worked thanks

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