IEnumerator Fade(float targetVolume, float duration)
{
FadeStart.Invoke();
float timer = 0;
float baseVolume = audioSource.volume;
do
{
if (duration == 0)
{
audioSource.volume = targetVolume;
FadeEnd.Invoke();
yield break;
}
timer += Time.deltaTime;
audioSource.volume = Mathf.Lerp(baseVolume, targetVolume, timer / duration);
yield return(null);
}while (timer <= duration);
// In case the lerping makes timer go past duration.
audioSource.volume = targetVolume;
// Signify that the fading is done.
fadeCoroutine = null;
FadeEnd.Invoke();
}
protected virtual void OnFadeStart(FadeEventArgs e)
{
if (FadeStart != null)
{
FadeStart.Invoke(this, e);
}
}
