From 4e71e7b52b0607c8431498d6bf13ca2d2d5dec68 Mon Sep 17 00:00:00 2001
From: Dean McNamee <dean@gmail.com>
Date: Thu, 1 Nov 2012 14:33:19 +0100
Subject: [PATCH] Update src/Tween.js

Tween#to should check if |duration| is undefined to default the parameter when it is not passed.
---
 src/Tween.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Tween.js b/src/Tween.js
index 266cfe7..09bd92f 100644
--- a/src/Tween.js
+++ b/src/Tween.js
@@ -98,7 +98,7 @@ TWEEN.Tween = function ( object ) {
 
 	this.to = function ( properties, duration ) {
 
-		if ( duration !== null ) {
+		if ( duration !== undefined ) {
 
 			_duration = duration;