IEnumerator IE_PlayingProcess(AudioCommand cmd)
{
var ticker = new TickHelper();
// check delay first
if (cmd.startCfg.delay > 0)
{
ticker.Reset(cmd.startCfg.delay);
yield return(null);
while (ticker.Tick())
{
yield return(null);
}
}
// play here
_source.Play();
// the fadeIn effect
if (cmd.startCfg.fadeInDuration > 0)
{
// first volumne
_source.volume = 0f;
// fadein
ticker.Reset(cmd.startCfg.fadeInDuration);
yield return(null); //NOTES : must have this, if not, some short audio maybe stop before it play
while (ticker.Tick())
{
_source.volume = ticker.GetWaitedTimeInPercent();
yield return(null);
}
// final volumn
_source.volume = 1f;
}
// check loop
if (cmd.loopCfg.active)
{
_source.loop = cmd.loopCfg.active;
if (cmd.loopCfg.limitLoopCount > 0)
{
var playTime = _source.clip.length * cmd.loopCfg.limitLoopCount;
ticker.Reset(playTime);
yield return(null); //NOTES : must have this, if not, some short audio maybe stop before it play
while (ticker.Tick())
{
yield return(null);
}
// stop after finish waiting
Stop();
}
}
// not loop, then wait for finised sound, then call Stop, also let is "ready"
else
{
// if clip shorter than this, the player maybe stop before the sound start.
const float TOO_SHORT_THRESHOLD = 0.08f;
ticker.Reset((_source.clip.length < TOO_SHORT_THRESHOLD) ? TOO_SHORT_THRESHOLD : _source.clip.length);
yield return(null); //NOTES : must have this, if not, some short audio maybe stop before it play
while (ticker.Tick())
{
yield return(null);
}
Stop();
}
}