From 719e5ba6d24e1efb1a288329dc62cf405890ff21 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 10 Feb 2016 00:09:23 +0900
Subject: [PATCH] audio: Remove audio.Tick

---
 internal/audio/audio.go        | 15 ---------------
 internal/audio/audio_js.go     | 28 ++++++++++++++++------------
 internal/audio/audio_openal.go |  3 ---
 run.go                         |  3 ---
 4 files changed, 16 insertions(+), 33 deletions(-)

diff --git a/internal/audio/audio.go b/internal/audio/audio.go
index dbdf70214..774aacc37 100644
--- a/internal/audio/audio.go
+++ b/internal/audio/audio.go
@@ -59,10 +59,6 @@ func emptyChannel() *channel {
 	return nil
 }
 
-func Tick() {
-	tick()
-}
-
 // TODO: Accept sample rate
 func Queue(data []byte) bool {
 	result := true
@@ -121,14 +117,3 @@ func loadChannelBuffer(channel int, bufferSize int) []byte {
 	})
 	return r
 }
-
-func IsPlaying(channel int) bool {
-	result := false
-	withChannels(func() {
-		if !audioEnabled {
-			return
-		}
-		result = isPlaying(channel)
-	})
-	return result
-}
diff --git a/internal/audio/audio_js.go b/internal/audio/audio_js.go
index a25c46feb..819978916 100644
--- a/internal/audio/audio_js.go
+++ b/internal/audio/audio_js.go
@@ -17,6 +17,8 @@
 package audio
 
 import (
+	"time"
+
 	"github.com/gopherjs/gopherjs/js"
 )
 
@@ -73,18 +75,6 @@ func isPlaying(channel int) bool {
 	return c < a.position
 }
 
-func tick() {
-	const bufferSize = 1024
-	c := context.Get("currentTime").Float()
-	for _, a := range audioProcessors {
-		if a.position < c {
-			a.position = c
-		}
-		// TODO: 4 is a magic number
-		a.playChunk(loadChannelBuffer(a.channel, bufferSize*4))
-	}
-}
-
 func initialize() {
 	// Do nothing in node.js.
 	if js.Global.Get("require") != js.Undefined {
@@ -107,4 +97,18 @@ func initialize() {
 			position:   0,
 		}
 	}
+	go func() {
+		for {
+			const bufferSize = 1024
+			c := context.Get("currentTime").Float()
+			for _, a := range audioProcessors {
+				if a.position < c {
+					a.position = c
+				}
+				// TODO: 4 is a magic number
+				a.playChunk(loadChannelBuffer(a.channel, bufferSize*4))
+			}
+			time.Sleep(0)
+		}
+	}()
 }
diff --git a/internal/audio/audio_openal.go b/internal/audio/audio_openal.go
index 11fc3c559..afc4d5fa9 100644
--- a/internal/audio/audio_openal.go
+++ b/internal/audio/audio_openal.go
@@ -29,9 +29,6 @@ func isPlaying(channel int) bool {
 	return 0 < len(ch.buffer)
 }
 
-func tick() {
-}
-
 func initialize() {
 	// Creating OpenAL device must be done after initializing UI. I'm not sure the reason.
 	ch := make(chan struct{})
diff --git a/run.go b/run.go
index 901e759ec..8fb77b850 100644
--- a/run.go
+++ b/run.go
@@ -17,7 +17,6 @@ package ebiten
 import (
 	"time"
 
-	"github.com/hajimehoshi/ebiten/internal/audio"
 	"github.com/hajimehoshi/ebiten/internal/ui"
 )
 
@@ -93,8 +92,6 @@ func Run(f func(*Image) error, width, height, scale int, title string) error {
 		runContext.newScreenHeight = 0
 		runContext.newScreenScale = 0
 
-		audio.Tick()
-
 		if err := ui.DoEvents(); err != nil {
 			return err
 		}