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Question by ThatGuy52699 · Dec 28, 2021 at 06:40 PM · scenereference

Slider reference lost when scene changes

Hello!

I've been looking around trying to find an answer to this, but what I keep finding doesn't give a definitive answer.

I currently have an Audio Manager game object that transitions between my two scenes (using DontDestroyOnLoad(gameObject);). The sound is adjusted by a slider on my first scene(the title screen) where I set up the reference to the Audio Manager's script. Now when I run the game, I can adjust the volume using the slider, and the volume which I set is then carried over to the next scene(the actual game).

The problem occurs if I go back to the title screen. The slider's reference is missing. Here are some images to help clarify: alt text

Value is set and properly adjusts the volume.

alt text

After I go from the game to the title screen to readjust the volume.

How do I go about fixing this problem?

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capture.png (5.5 kB)
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Answer by rh_galaxy · Dec 28, 2021 at 06:53 PM

I believe you shall implement the AudioManager as a singleton object, in which case going back and fourth through scenes will keep the original object only.

 private static AudioManager instance = null;
 void Awake()
 {
     //singleton
     if (instance == null)
     {
         instance = this;
         DontDestroyOnLoad(this.gameObject);
         //Init();
     }
     else
     {
         Destroy(this.gameObject);
     }
 }
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avatar image ThatGuy52699 · Dec 28, 2021 at 07:51 PM 0
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Thank you for the quick response. I have the AudioManager set up as a singleton already and it still doesn't work. I was thinking, is there a script I can add to the slider that if the value changed reference is null or missing, it'll find the Audio Manager?

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