From 4dc929eddbaa68c6cdebdeeab715d80aa4f78a06 Mon Sep 17 00:00:00 2001
From: Philip Rosedale <philip@highfidelity.io>
Date: Mon, 15 Sep 2014 19:50:38 -0700
Subject: [PATCH] Simpler script with sphere to indicate emission point

---
 examples/playSoundLoop.js | 51 +++++++++++++++++++++++++--------------
 1 file changed, 33 insertions(+), 18 deletions(-)

diff --git a/examples/playSoundLoop.js b/examples/playSoundLoop.js
index 86226468bc..2c684a73a1 100644
--- a/examples/playSoundLoop.js
+++ b/examples/playSoundLoop.js
@@ -5,39 +5,54 @@
 //  Created by David Rowe on 5/29/14.
 //  Copyright 2014 High Fidelity, Inc.
 //
-//  This example script plays a sound in a continuous loop.
+//  This example script plays a sound in a continuous loop, and creates a red sphere in front of you at the origin of the sound.
 //
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-var sound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Guitars/Guitar+-+Nylon+A.raw");
+
+//  A few sample files you may want to try: 
+
+//var sound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Guitars/Guitar+-+Nylon+A.raw");
+//var sound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/220Sine.wav");
+var sound = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Cocktail+Party+Snippets/Bandcamp.wav");
 
 var soundPlaying = false;
+var options = new AudioInjectionOptions();
+options.position = Vec3.sum(Camera.getPosition(), Quat.getFront(MyAvatar.orientation));
+options.volume = 0.5;
+options.loop = true;
+var playing = false;
+var ball = false;
 
-function keyPressEvent(event) {
-    if (event.text === "1") {
-        if (!Audio.isInjectorPlaying(soundPlaying)) {
-            var options = new AudioInjectionOptions();
-            options.position = MyAvatar.position;
-            options.volume = 0.5;
-            options.loop = true;
-            soundPlaying = Audio.playSound(sound, options);
-            print("Started sound loop");
-        } else {
-            Audio.stopInjector(soundPlaying);
-            print("Stopped sound loop");
-        }
+function maybePlaySound(deltaTime) {
+    if (sound.downloaded) {
+        var properties = {
+                type: "Sphere",
+                position: options.position, 
+                velocity: { x: 0, y: 0, z: 0}, 
+                gravity: { x: 0, y: 0, z: 0}, 
+                radius: 0.10,
+                damping: 0.999,
+                color: { red: 200, green: 0, blue: 0 }    
+            };
+        ball = Entities.addEntity(properties);
+        soundPlaying = Audio.playSound(sound, options);
+        print("Started sound looping.");
+        Script.update.disconnect(maybePlaySound);
     }
 }
-
+        
 function scriptEnding() {
     if (Audio.isInjectorPlaying(soundPlaying)) {
         Audio.stopInjector(soundPlaying);
-        print("Stopped sound loop");
+        Entities.deleteEntity(ball);
+        print("Stopped sound.");
     }
 }
 
 // Connect a call back that happens every frame
 Script.scriptEnding.connect(scriptEnding);
-Controller.keyPressEvent.connect(keyPressEvent);
+Script.update.connect(maybePlaySound);
+