[c#]Does audio.Play() work only in Update and Start funcitons?

Questions & Answers
1

Im Instantiating enemies and trying to make explosion sound when enemy is dying, so audio.Play() doesnt work in my OnCollisionEnter() and OnDestroy() functions, i get this error :

Can not play a disabled audio source UnityEngine.AudioSource:Play()

But audio.Play() works in Start() and Update() functions. How can i fix this issue?Thanks!

My code:

public class SimpleEnemy : MonoBehaviour {

        public AudioClip explosionSound;
    	AudioSource Player;

    	void Start () 
    	{
    		Player = gameObject.AddComponent<AudioSource>();
    		Player.clip = explosionSound;
    		Player.volume = 1f;
    		Player.playOnAwake = false;
    		Player.loop = false;  	
    	}
    	
    	void OnDestroy()
    	{
    	      Player.Play();    
    	}
    	void OnCollisionEnter()
        { 
              Player.Play();
        }
}
2

The error seems pretty obvious – can’t play disabled sounds. For OnDestroy, you have to know the sound comes from the object. So OnDestroy can never play a sound (well, for 1/2 a frame.)

You could spawn an empty with the explosion sound (that destroys itself when done,) or have the explosion particle emitter also have a sound it plays. Or if all explosions sound the same (like a 2D game,) then have the player make the sound.

The usual way to have an AudioSource is just to click-create it. Making in Start should be the same, but you might want to check settings, and try it the other (manually add it beforehand) way.

3

Your Audio is being deleted before it can be played, since it is attached to a gameObject that gets destroyed before it can play the sound. Two things you could do

  • a) Use the static function
    PlayClipAtPoint (and pass it the
    position of the gameObject). That function automatically cleans-up the audio source after it has finished playing
  • b) Find the length of the sound clip and
    simply “wait” (put in a “yield”) for
    that duration, and then destroy the
    gameObject.