Updating all sounds on sound manager update

Author: pavle-goloskokovic

v3/src/sound/BaseSoundManager.js

@@ -84,7 +84,17 @@ var BaseSoundManager = new Class({
     stopAll: NOOP,
     onBlur: NOOP,
     onFocus: NOOP,
-    update: NOOP,
+    /**
+     * Update method called on every game step.
+     *
+     * @param {number} time - The current timestamp as generated by the Request Animation Frame or SetTimeout.
+     * @param {number} delta - The delta time elapsed since the last frame.
+     */
+    update: function (time, delta) {
+        this.sounds.forEach(function (sound) {
+            sound.update(time, delta);
+        });
+    },
     destroy: NOOP
 });
 module.exports = BaseSoundManager;