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Question by Joe-Kataldo · Jan 05, 2017 at 08:23 AM · c#audiomixingsnapshot

Audio Snapshot TransitionTo Not Working in Awake and Start

Is there any reason why this doesn't work? I think it might be a BUG.

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Audio;
 
 public class JKDefaultSnapshot : MonoBehaviour
 {
 
     public List<AudioMixerSnapshot> snapshots;
     public float transitionTime;
 
     void Awake ()
     {
         foreach(var snapshot in snapshots)
             snapshot.TransitionTo(transitionTime);
     }
 }

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Answer by glitchers · May 19, 2017 at 10:39 AM

I got around this issue by calling the transition a frame later. Start a coroutine in your awake, wait a frame then fade in. Here is how your script would look.

     using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;
     using UnityEngine.Audio;
 
     public class JKDefaultSnapshot : MonoBehaviour
     {
         public List<AudioMixerSnapshot> snapshots;
         public float transitionTime;
 
         void Awake ()
         {
             StartCoroutine( TransitionToSnapshots() );
         }
 
         private IEnumerator TransitionToSnapshots()
         {
             // we wait for 1 frame then fade in, and then it works.
             yield return null;
 
             foreach(var snapshot in snapshots)
             {
                 snapshot.TransitionTo(transitionTime);
             }
         }
     }
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