From 490d232f48ce73a0c4f96bc7163a02d6b203a67f Mon Sep 17 00:00:00 2001
From: liabru <liabru@brm.io>
Date: Sun, 7 Feb 2016 16:06:54 +0000
Subject: [PATCH] added default for delta parameter in Engine.update, closes
 #200

---
 src/core/Engine.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/core/Engine.js b/src/core/Engine.js
index 5040317f..33e76b2b 100644
--- a/src/core/Engine.js
+++ b/src/core/Engine.js
@@ -96,11 +96,12 @@ var Body = require('../body/Body');
      * Triggers `collisionStart`, `collisionActive` and `collisionEnd` events.
      * @method update
      * @param {engine} engine
-     * @param {number} delta
-     * @param {number} [correction]
+     * @param {number} [delta=16.666]
+     * @param {number} [correction=1]
      */
     Engine.update = function(engine, delta, correction) {
-        correction = (typeof correction !== 'undefined') ? correction : 1;
+        delta = delta || 1000 / 60;
+        correction = correction || 1;
 
         var world = engine.world,
             timing = engine.timing,