From fe759859e7f4426b586eba84a0f1dab13b394641 Mon Sep 17 00:00:00 2001
From: ZappoMan <bradh@konamoxt.com>
Date: Mon, 13 Oct 2014 14:11:20 -0700
Subject: [PATCH] removing particles

---
 examples/audioBall.js | 51 +++++++++++++++++++++++--------------------
 1 file changed, 27 insertions(+), 24 deletions(-)

diff --git a/examples/audioBall.js b/examples/audioBall.js
index 76f9aabec8..7e7126be06 100644
--- a/examples/audioBall.js
+++ b/examples/audioBall.js
@@ -5,8 +5,8 @@
 //  Created by Athanasios Gaitatzes on 2/10/14.
 //  Copyright 2014 High Fidelity, Inc.
 //
-//  This script creates a particle in front of the user that stays in front of
-//  the user's avatar as they move, and animates it's radius and color
+//  This script creates a entity in front of the user that stays in front of
+//  the user's avatar as they move, and animates it's size and color
 //  in response to the audio intensity.
 //
 //  Distributed under the Apache License, Version 2.0.
@@ -18,56 +18,59 @@ Script.include("libraries/globals.js");
 var sound = new Sound(HIFI_PUBLIC_BUCKET + "sounds/Animals/mexicanWhipoorwill.raw");
 var CHANCE_OF_PLAYING_SOUND = 0.01;
 
-var FACTOR = 0.75;
+var FACTOR = 0.05;
 
-var countParticles = 0;    // the first time around we want to create the particle and thereafter to modify it.
-var particleID;
+var countEntities = 0;    // the first time around we want to create the entity and thereafter to modify it.
+var entityID;
 
-function updateParticle(deltaTime) {
-    // the particle should be placed in front of the user's avatar
+function updateEntity(deltaTime) {
+    // the entity should be placed in front of the user's avatar
     var avatarFront = Quat.getFront(MyAvatar.orientation);
 
-    // move particle three units in front of the avatar
-    var particlePosition = Vec3.sum(MyAvatar.position, Vec3.multiply(avatarFront, 3));
+    // move entity three units in front of the avatar
+    var entityPosition = Vec3.sum(MyAvatar.position, Vec3.multiply(avatarFront, 3));
 
     if (Math.random() < CHANCE_OF_PLAYING_SOUND) {
-        // play a sound at the location of the particle
+        // play a sound at the location of the entity
         var options = new AudioInjectionOptions();
-        options.position = particlePosition;
+        options.position = entityPosition;
         options.volume = 0.75;
         Audio.playSound(sound, options);
     }
 
     var audioAverageLoudness = MyAvatar.audioAverageLoudness * FACTOR;
-    //print ("Audio Loudness = " + MyAvatar.audioLoudness + " -- Audio Average Loudness = " + MyAvatar.audioAverageLoudness);
+    print ("Audio Loudness = " + MyAvatar.audioLoudness + " -- Audio Average Loudness = " + MyAvatar.audioAverageLoudness);
 
-    if (countParticles < 1) {
-        var particleProperies = {
-            position: particlePosition // the particle should stay in front of the user's avatar as he moves
+    if (countEntities < 1) {
+        var entityProperties = {
+            type: "Sphere",
+            position: entityPosition // the entity should stay in front of the user's avatar as he moves
         ,   color: { red: 0, green: 255, blue: 0 }
-        ,   radius: audioAverageLoudness
+        ,   dimensions: {x: audioAverageLoudness, y: audioAverageLoudness, z: audioAverageLoudness }
         ,   velocity: { x: 0.0, y: 0.0, z: 0.0 }
         ,   gravity: { x: 0.0, y: 0.0, z: 0.0 }
         ,   damping: 0.0
         }
 
-        particleID = Particles.addParticle (particleProperies);
-        countParticles++;
+        entityID = Entities.addEntity(entityProperties);
+        countEntities++;
     }
     else {
-        // animates the particles radius and color in response to the changing audio intensity
+        // animates the particles size and color in response to the changing audio intensity
         var newProperties = {
-            position: particlePosition // the particle should stay in front of the user's avatar as he moves
+            position: entityPosition // the entity should stay in front of the user's avatar as he moves
         ,   color: { red: 0, green: 255 * audioAverageLoudness, blue: 0 }
-        ,   radius: audioAverageLoudness
+        ,   dimensions: {x: audioAverageLoudness, y: audioAverageLoudness, z: audioAverageLoudness }
         };
 
-        Particles.editParticle (particleID, newProperties);
+        Entities.editEntity(entityID, newProperties);
     }
 }
 
 // register the call back so it fires before each data send
-Script.update.connect(updateParticle);
+Script.update.connect(updateEntity);
 
 // register our scriptEnding callback
-Script.scriptEnding.connect(function scriptEnding() {});
+Script.scriptEnding.connect(function scriptEnding() {
+    Entities.deleteEntity(entityID);
+});