From dcdc2c08317e5542414ee38e70e6dc2041e9f2d7 Mon Sep 17 00:00:00 2001
From: Eric Rosenbaum <eric.rosenbaum@gmail.com>
Date: Tue, 31 Jan 2017 18:36:29 -0500
Subject: [PATCH] check for non-existent sound

---
 src/index.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/index.js b/src/index.js
index ab8ceed..a2f5f3d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -143,6 +143,11 @@ function AudioPlayer (audioEngine) {
 }
 
 AudioPlayer.prototype.playSound = function (md5) {
+    // if this sound is not in the audio engine, return
+    if (!this.audioEngine.audioBuffers[md5]) {
+        return;
+    }
+
     // if this sprite or clone is already playing this sound, stop it first
     if (this.activeSoundPlayers[md5]) {
         this.activeSoundPlayers[md5].stop();