public static OneShotAudioSource PlayOneShotAudio(AudioClip clip, Vector3 worldPos, float vol = 1f)
    {
        OneShotAudioSource audioSource = null;

        if (instance.queuedAudioSources.Count > 0)
        {
            audioSource = instance.queuedAudioSources.Dequeue();
            while (audioSource == null)
            {
                if (instance.queuedAudioSources.Count > 0)
                {
                    audioSource = instance.queuedAudioSources.Dequeue();
                }
                else
                {
                    audioSource = Instantiate(instance.prefab);
                    //instance.StartCoroutine(DelayedEnqueue(audioSource, clip.length));
                }
            }
        }
        else
        {
            audioSource = Instantiate(instance.prefab);
        }
        instance.StartCoroutine(DelayedEnqueue(audioSource, clip.length));

        audioSource.transform.position = worldPos;
        audioSource.AudioSource.PlayOneShot(clip, vol);


        return(audioSource);
    }
    private static IEnumerator DelayedEnqueue(OneShotAudioSource source, float waitDelay)
    {
        yield return(new WaitForSecondsRealtime(waitDelay));

        instance.queuedAudioSources.Enqueue(source);
    }