chapter 2

examples/tutorials/fireworks/chapter2/fireworksLaunchButtonEntityScript.js

@@ -1,16 +1,79 @@
-// Chapter 1: fireworksLaunchButtonEntityScript.js
+// Chapter 2: fireworksLaunchButtonEntityScript.js
 
   (function() {
     Script.include("../../libraries/utils.js");
     var _this;
     Fireworks = function() {
       _this = this;
+      _this.launchSound = SoundCache.getSound("https://s3-us-west-1.amazonaws.com/hifi-content/eric/Sounds/missle+launch.wav");
     };
 
     Fireworks.prototype = {
 
+      startNearTrigger: function() {
+        _this.shootFirework(_this.position);
+      },
+
+      startFarTrigger: function() {
+        _this.shootFirework(_this.position);
+      },
+
+      clickReleaseOnEntity: function() {
+        _this.shootFirework(_this.position);
+      },
+
+
+
+      shootFirework: function(launchPosition) {
+        Audio.playSound(_this.launchSound, {
+          position: launchPosition,
+          volume: 0.5
+        });
+
+
+        var smoke = Entities.addEntity({
+          type: "ParticleEffect",
+          position: _this.position,
+          velocity: {x: 0, y: 3, z: 0},
+          lifespan: 10,
+          lifetime: 20,
+          isEmitting: true,
+          name: "Smoke Trail",
+          maxParticles: 3000,
+          emitRate: 80,
+          emitSpeed: 0,
+          speedSpread: 0,
+          polarStart: 0,
+          polarFinish: 0,
+          azimuthStart: -3.14,
+          azimuthFinish: 3.14,
+          emitAcceleration: {
+            x: 0,
+            y: 0.01,
+            z: 0
+          },
+          accelerationSpread: {
+            x: 0.01,
+            y: 0,
+            z: 0.01
+          },
+          radiusSpread: 0.03,
+          particleRadius: 0.3,
+          radiusStart: 0.06,
+          radiusFinish: 0.9,
+          alpha: 0.1,
+          alphaSpread: 0,
+          alphaStart: 0.7,
+          alphaFinish: 0,
+          textures: "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png",
+          emitterShouldTrail: true,
+        });
+
+      },
+
       preload: function(entityID) {
         _this.entityID = entityID;
+        _this.position = Entities.getEntityProperties(_this.entityID, "position").position;
 
       }
 

examples/tutorials/fireworks/chapter2/fireworksLaunchButtonSpawner.js

@@ -1,5 +1,5 @@
 
-  // Chapter1 : fireworksLaumchButtonSpawner.js
+  // Chapter 2 : fireworksLaumchButtonSpawner.js
 
   var orientation = Camera.getOrientation();
   orientation = Quat.safeEulerAngles(orientation);