public void FadeIn(BGMTrack track)
{
if (track == BGMTrack.Overworld)
{
BGM.clip = Overworld;
BGM.Play();
StartCoroutine(coFadeIn());
}
if (track == BGMTrack.Underworld)
{
BGM.clip = Underworld;
BGM.Play();
StartCoroutine(coFadeIn());
}
if (track == BGMTrack.Chase)
{
BGM.clip = Chase;
BGM.Play();
StartCoroutine(coFadeIn());
}
if (track == BGMTrack.Ending)
{
BGM.clip = Ending;
BGM.Play();
StartCoroutine(coFadeIn());
}
}
public void PlayBGM(BGMTrack t)
{
StopBGM();
m_current.clip = m_tracks[(int)t];
m_current.volume = m_volume;
m_current.Play();
m_currentTrack = t;
}
public void PlayTrack(BGMTrack track)
{
if (track == BGMTrack.Overworld)
StartCoroutine(coFadeOut(Overworld));
if (track == BGMTrack.Underworld)
StartCoroutine(coFadeOut(Underworld));
if (track == BGMTrack.Chase)
StartCoroutine(coFadeOut(Chase));
if (track == BGMTrack.Ending)
StartCoroutine(coFadeOut(Ending));
}
public void FadeinBGM(BGMTrack t, float fadeSec = 1.0f)
{
if( m_currentTrack != t ) {
StartCoroutine(_FadeIn(t,fadeSec));
}
}
public void CrossFade(BGMTrack t, float fadeSec = 1.0f)
{
StartCoroutine(_CrossFade(t, fadeSec));
}
private IEnumerator _FadeIn(BGMTrack t, float fadeSec)
{
if( m_current == null ) {
m_current = m_sources[0];
}
AudioSource src = m_current;
src.clip = m_tracks[(int)t];
src.volume = 0.0f;
src.Play ();
float tStart = Time.time;
while( Time.time - tStart < fadeSec ) {
float rate = (Time.time - tStart) / fadeSec;
src.volume = m_volume * rate;
yield return new WaitForEndOfFrame();
}
m_current.volume = m_volume;
m_currentTrack = t;
}
private IEnumerator _CrossFade(BGMTrack t, float fadeSec)
{
AudioSource fadeout = m_current;
AudioSource fadein = (m_current == m_sources[0])? m_sources[1]:m_sources[0];
fadein.clip = m_tracks[(int)t];
fadein.volume = 0.0f;
fadein.Play ();
float initialVolume = fadeout.volume;
float tStart = Time.time;
while( Time.time - tStart < fadeSec ) {
float rate = (Time.time - tStart) / fadeSec;
fadein.volume = m_volume * rate;
fadeout.volume = initialVolume * (1.0f - rate);
yield return new WaitForEndOfFrame();
}
m_current = fadein;
m_current.volume = m_volume;
m_currentTrack = t;
fadeout.Pause();
}
