defined mute property on WebAudioSound prototype

Author: pavle-goloskokovic

v3/src/sound/WebAudioSound.js

@@ -58,7 +58,7 @@ var WebAudioSound = new Class({
     }
 });
 /**
- * Global volume setting.
+ * Volume setting.
  * @property {number} volume
  */
 Object.defineProperty(WebAudioSound.prototype, 'volume', {
@@ -69,4 +69,16 @@ Object.defineProperty(WebAudioSound.prototype, 'volume', {
         this.volumeNode.gain.value = value;
     }
 });
+/**
+ * Mute setting.
+ * @property {boolean} mute
+ */
+Object.defineProperty(WebAudioSound.prototype, 'mute', {
+    get: function () {
+        return this.muteNode.gain.value === 0;
+    },
+    set: function (value) {
+        this.muteNode.gain.value = value ? 0 : 1;
+    }
+});
 module.exports = WebAudioSound;