From 33303bbf627c57b9998ad7e91f80b14b595b37d7 Mon Sep 17 00:00:00 2001
From: e7d <michael@e7d.io>
Date: Sun, 14 May 2017 14:23:29 +0200
Subject: [PATCH] added a request animation frame polyfill

---
 js/gamepad.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/gamepad.js b/js/gamepad.js
index c1d4f80..bf86e1d 100644
--- a/js/gamepad.js
+++ b/js/gamepad.js
@@ -1,6 +1,9 @@
 class Gamepad {
     constructor() {
         this.haveEvents = 'GamepadEvent' in window;
+        this.rAF = window.mozRequestAnimationFrame ||
+            window.webkitRequestAnimationFrame ||
+            window.requestAnimationFrame;
         
         // cached DOM references
         this.$gamepad = $('.gamepad');
@@ -288,7 +291,7 @@ class Gamepad {
         }
 
         // enqueue the next refresh right away
-        requestAnimationFrame(this.updateVisualStatus.bind(this));
+        this.rAF(this.updateVisualStatus.bind(this));
 
         // load latest gamepad data
         this.refreshGamepads();