func (p *PatternView) animate() {
var next <-chan time.Time
var ctrl audio.PlayControl
for {
select {
case <-p.play:
if next != nil {
next = nil
ctrl.Stop()
break
}
p.inst.Stop()
ctrl = audio.PlayAsync(p.player)
next = time.After(time.Second / fps)
case <-next:
next = time.After(time.Second / fps)
Do(p, func() {
p.cursorTime = p.player.GetTime()
Repaint(p)
})
case <-ctrl.Done:
next = nil
Do(p, func() {
SetKeyFocus(p.oldFocus)
})
case <-p.stop:
return
}
}
}
func (s *ScoreView) animate() {
var next <-chan time.Time
var ctrl audio.PlayControl
for {
select {
case <-s.play:
if next != nil {
next = nil
ctrl.Stop()
break
}
for _, inst := range audio.BandInstruments(s.band) {
inst.Stop()
}
ctrl = audio.PlayAsync(s.player)
next = time.After(time.Second / 60)
case <-next:
next = time.After(time.Second / 60)
Do(s, func() {
s.cursorTime = s.player.GetTime()
Repaint(s)
})
case <-ctrl.Done:
next = nil
Do(s, func() {
SetKeyFocus(s.oldFocus)
})
case <-s.close:
return
}
}
}
func startAudio() {
playControl = audio.PlayAsync(&tones)
}