private IEnumerator FadeToNext(OAThemeTracks previous)
{
// TODO: Fade duration, overlap in fade ...
float time = 0f;
while (source.volume > 0 && time < 1f)
{
source.volume = previous.fadeOut.Evaluate(time);
yield return(new WaitForFixedUpdate()); // We use fixed and not normal update as there seems to be no normal update wait
time += Time.fixedDeltaTime;
}
// TODO: avoid previous track if possible
int trackIndex = Random.Range(0, selected.clips.Count);
source.clip = selected.clips[trackIndex];
trackDuration = selected.clips[trackIndex].length;
trackCursor = 0f;
source.Play();
time = 0f;
while (source.volume < 1 && time < 1f)
{
source.volume = selected.fadeIn.Evaluate(time);
yield return(new WaitForFixedUpdate());
time += (Time.fixedDeltaTime / selected.fadeDuration);
}
}
public void SetTheme(int key)
{
themeKey = key;
previous = selected;
if (!themes.TryGetValue(themeKey, out selected))
{
#if UNITY_EDITOR
Debug.LogError("Attempted to get a theme that does not exist");
selected = previous;
#endif
}
// Incase we are already fading
StopAllCoroutines();
StartCoroutine(FadeToNext(previous));
}
// Start is called before the first frame update
void Awake()
{
themes = new Dictionary <int, OAThemeTracks>();
selected = editorThemes[0];
// Move all tracks to a hashset
foreach (var track in editorThemes)
{
themes.Add(track.GetHashCode(), track);
}
// Clear the list as it is not needed anymore
editorThemes.Clear();
source = GetComponent <AudioSource>();
}