new test sound script

examples/playTestSound.js

@@ -0,0 +1,96 @@
+//
+//  playTestSound.js
+//  examples
+//
+//  Created by Philip Rosedale 
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Creates an object in front of you that changes color and plays a light 
+//  at the start of a drum clip that loops.   As you move away it will tell you in the 
+//  log how many meters you are from the source. 
+//
+//  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 = SoundCache.getSound("https://s3.amazonaws.com/hifi-public/sounds/Drums/deepdrum1.wav");
+
+var position = Vec3.sum(Vec3.sum(MyAvatar.position, { x: 0, y: 0.5, z: 0 }), Quat.getFront(MyAvatar.orientation));
+
+var time; 
+var soundPlaying = null;
+
+var baseColor = { red: 100, green: 100, blue: 100 };
+var litColor =  { red: 255, green: 100, blue: 0 };
+
+var lightTime = 250;
+
+var distance = 0.0;
+
+//  Create object for visual reference
+var box = Entities.addEntity({
+  type: "Box",
+  dimensions: { x: 0.25, y: 0.5, z: 0.25 },
+  color: baseColor,
+  position:  position
+  });
+
+
+function checkSound(deltaTime) {
+  var started = false;
+    if (!sound.downloaded) { 
+      return; 
+    }
+    if (soundPlaying == null) {
+        soundPlaying = Audio.playSound(sound, {
+                                        position: position,
+                                        volume: 1.0,
+                                        loop: false } );
+        started = true;
+    } else if (!soundPlaying.isPlaying) {
+        soundPlaying.restart();
+        started = true; 
+    }
+    if (started) {
+      Entities.editEntity(box, { color: litColor });
+      Entities.addEntity({
+                    type: "Light",
+                    intensity: 5.0,
+                    falloffRadius: 10.0,
+                    dimensions: {
+                        x: 40,
+                        y: 40,
+                        z: 40
+                    },
+                    position: Vec3.sum(position, { x: 0, y: 1, z: 0 }),
+                    color: litColor,
+                    lifetime:  lightTime / 1000
+                });
+      Script.setTimeout(resetColor, lightTime);
+    }  
+    var currentDistance = Vec3.distance(MyAvatar.position, position);
+    if (Math.abs(currentDistance - distance) > 1.0) {
+      print("Distance from source: " + currentDistance);
+      distance = currentDistance;
+    }   
+}
+
+function resetColor() {
+   Entities.editEntity(box, { color: baseColor });
+}
+
+        
+function scriptEnding() {
+  Entities.deleteEntity(box);
+  if (soundPlaying) {
+    print("stop injector");
+    soundPlaying.stop();
+  }
+}
+
+
+
+// Connect a call back that happens every frame
+Script.scriptEnding.connect(scriptEnding);
+Script.update.connect(checkSound);
+