private void AddFade(AudioClipModel clip, float startVolume, float endVolume, float duration)
{
TryRemoveFade(clip);
var fade = new AudioFadeState(clip, startVolume, endVolume, duration);
_activeAudioFades.Add(fade);
}
public void Update(GameTime gameTime)
{
float elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
if (FadeState == AudioFadeState.In)
{
BaseInstance.Volume = Math.Min(1, BaseInstance.Volume + (elapsed * FadeSpeed));
if (BaseInstance.Volume == 1)
{
FadeState = AudioFadeState.Normal;
}
}
else if (FadeState == AudioFadeState.Out)
{
BaseInstance.Volume = Math.Max(0, BaseInstance.Volume - (elapsed * FadeSpeed));
if (BaseInstance.Volume == 0)
{
FadeState = AudioFadeState.Normal;
if (BaseInstance.State != SoundState.Stopped)
{
BaseInstance.Stop();
}
}
}
}
public void FadeIn()
{
FadeState = AudioFadeState.In;
if (BaseInstance.State != SoundState.Playing)
{
BaseInstance.Play();
}
}
public void FadeOut()
{
FadeState = AudioFadeState.Out;
}
