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Question by usename · Dec 20, 2013 at 07:35 PM · c#erroraudiosourcereferencepublic static

object reference problem

I am getting this really annoying error and I have no idea how to fix it. Hope you can help error CS0120: An object reference is required to access non static member 'Unity.AudioSource.volume' This is my script

using UnityEngine; using System.Collections;

public class volumechange : MonoBehaviour { public static int volume; public AudioSource;

 // Update is called once per frame
 void Update () {
     if (volume == 1)
         AudioSource.volume = 10;
     if (volume == 0)
         AudioSource.volume = 0; 
 }

}

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Answer by robertbu · Dec 20, 2013 at 07:37 PM

AudioSource is the class. What you want is a reference to the actual AudioSource attached to the specific game object (I'm guessing). You can use 'audio'. Note that 'volume' goes from 0.0 to 1.0.

 audio.volume = 1.0;
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avatar image usename · Dec 20, 2013 at 08:10 PM 0
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What I am trying to do is to change a specific audiosource (music track) to 0 and 1 chaning using the variables. The audiosource gameobject is called Game $$anonymous$$usic and the script assigned to it is called Volumechange.

avatar image robertbu · Dec 20, 2013 at 08:48 PM 0
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I don't fully understand your comment. Is the 'Volumechange' script on the same game object as 'Game$$anonymous$$usic'? If so, the code I outlined will work. If not, then:

 AudioSource as;
 
 void Start() {
    as = GameObject.Find("Game$$anonymous$$usic").audio;
 }
 
 // Update is called once per frame
 void Update () {
     if (volume == 1)
        as.volume = 1.0f;
     if (volume == 0)
        as.volume = 0.0f; 
 } 

 
avatar image usename · Dec 20, 2013 at 10:06 PM 0
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The "Volumechange" script is on the gameobject called Game $$anonymous$$usic. There are two scripts total in the Game $$anonymous$$usic gameobject called "Volumechange" which is c# and "$$anonymous$$usicplay" which is javascript. This is the "$$anonymous$$usicplay" script.

 #pragma strict
 
 private static var instance:musicplay;
 public static function GetInstance() : musicplay {
 return instance;
 }
 
 function Awake() {
     if (instance != null && instance != this) {
         Destroy(this.gameObject);
         return;
     } else {
         instance = this;
     }
     DontDestroyOnLoad(this.gameObject);
 }
avatar image usename · Dec 20, 2013 at 10:09 PM 0
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It's a bit more complicated than when you first look at it. This is because I want the AudioSource to keep playing a specific music track all the time even when changing scenes. In the same scene where the Game $$anonymous$$usic object is there is also a gameobject called "Game $$anonymous$$anager". This is the script for that.

 #pragma strict
 
 var New$$anonymous$$usic: AudioClip; //Pick an audio track to play.
 
 function Awake () {
      var go = GameObject.Find("Game $$anonymous$$usic"); //Finds the game object called Game $$anonymous$$usic.
      if (go.audio.clip != New$$anonymous$$usic) { 
          go.audio.clip = New$$anonymous$$usic; //Replaces the old audio with the new one set in the inspector.
          go.audio.Play(); //Plays the audio.
      }
 }

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