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Background Music control issues
I am having trouble controlling the volume of my background sound between scenes. I have a game with multiple scenes and I am attaching the background music to the menu scene. First, I created a GameObject that has a UI canvas and button as children. I also attached an AudioSource with the sound clip, unchecked PlayOnWake. I then created this BgSnd class and attached it to the GameObject on the Menu scene.
When I start the game, the background music starts playing. When I click the button on the menu, I can control the volume on the same menu page. However, if I navigate to other scenes, change the volume and go back to the menu scene, the button doesn't affect the volume again on the initial menu page. In summary, (1) If I am on the menu scene, the button works to toggle the volume on and off (2) If I am on another scene and I toggle the volume off, when I go back to the menu scene, the button doesn't work to toggle the music back on. To do this, I have to navigate to another scene to change the volume.
using System.Collections; using System.Collections.Generic; using UnityEngine;
public class BgSnd : MonoBehaviour {
static bool bgSndPlaying = false;
bool soundOnOff = false;
AudioSource bgAudioSrc;
void Awake () {
bgAudioSrc = GetComponent<AudioSource> ();
if(bgSndPlaying == false){
bgAudioSrc.Play ();
DontDestroyOnLoad (this);
bgSndPlaying = true;
}
soundOnOff = true;
}
public void SoundOnOff(){
if (soundOnOff == true) {
bgAudioSrc.volume = 0;
soundOnOff = false;
} else if(soundOnOff == false){
bgAudioSrc.volume = 1.0f;
soundOnOff = true;
}
}
}
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