examples: Bug fix: updating audio context should sync with updating logic

examples/audio/main.go

@@ -182,6 +182,9 @@ func update(screen *ebiten.Image) error {
 		musicPlayer.updateSE()
 		musicPlayer.updateVolume()
 	}
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	if ebiten.IsRunningSlowly() {
 		return nil
 	}
@@ -227,9 +230,6 @@ Press Z or X to change volume of the music
 		}
 	}
 	ebitenutil.DebugPrint(screen, msg)
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	return nil
 }
 

examples/piano/main.go

@@ -195,6 +195,9 @@ func update(screen *ebiten.Image) error {
 		}
 		addNote(220*math.Exp2(float64(i-1)/12.0), 1.0)
 	}
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	if ebiten.IsRunningSlowly() {
 		return nil
 	}
@@ -202,10 +205,6 @@ 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

@@ -97,14 +97,14 @@ func update(screen *ebiten.Image) error {
 		}
 		player.Play()
 	}
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
 	if ebiten.IsRunningSlowly() {
 		return nil
 	}
 	msg := fmt.Sprintf("FPS: %0.2f\nThis is an example using infinite audio stream.", ebiten.CurrentFPS())
 	ebitenutil.DebugPrint(screen, msg)
-	if err := audioContext.Update(); err != nil {
-		return err
-	}
 	return nil
 }