examples: audioContext.Update should be called at last

examples/audio/main.go

@@ -181,9 +181,6 @@ func (p *Player) close() error {
 }
 
 func update(screen *ebiten.Image) error {
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	if musicPlayer == nil {
 		select {
 		case musicPlayer = <-musicCh:
@@ -242,6 +239,9 @@ Press Z or X to change volume of the music
 		msg += "\nNow Loading..."
 	}
 	ebitenutil.DebugPrint(screen, msg)
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	return nil
 }
 

examples/pcm/main.go

@@ -145,9 +145,6 @@ func addNote() error {
 }
 
 func update(screen *ebiten.Image) error {
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	defer func() {
 		frames++
 	}()
@@ -157,6 +154,9 @@ func update(screen *ebiten.Image) error {
 		}
 	}
 	ebitenutil.DebugPrint(screen, fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS()))
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	return nil
 }
 

examples/piano/main.go

@@ -206,9 +206,6 @@ func init() {
 }
 
 func update(screen *ebiten.Image) error {
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	updateInput()
 	for i, key := range keys {
 		if keyStates[key] != 1 {
@@ -223,6 +220,10 @@ func update(screen *ebiten.Image) error {
 	screen.DrawImage(imagePiano, nil)
 
 	ebitenutil.DebugPrint(screen, fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS()))
+
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	return nil
 }
 

examples/sinewave/main.go

@@ -87,9 +87,6 @@ func (s *stream) Close() error {
 var player *audio.Player
 
 func update(screen *ebiten.Image) error {
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	if player == nil {
 		var err error
 		player, err = audio.NewPlayer(audioContext, &stream{})
@@ -101,6 +98,9 @@ func update(screen *ebiten.Image) error {
 		}
 	}
 	ebitenutil.DebugPrint(screen, fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS()))
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	return nil
 }