From 09c2a461c71917a1beab8ab865a7761d0b391da1 Mon Sep 17 00:00:00 2001
From: Eric Rowell <erowell83@gmail.com>
Date: Sat, 11 May 2013 20:07:20 -0700
Subject: [PATCH] fix #442

---
 src/Animation.js | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/src/Animation.js b/src/Animation.js
index 1ab075b3..c6d0b1dc 100644
--- a/src/Animation.js
+++ b/src/Animation.js
@@ -29,7 +29,7 @@
             var lays = []; 
             // if passing in no layers
             if (!layers) {
-                lays = null;
+                lays = [];
             }
             // if passing in an array of Layers
             else if (Kinetic.Util._isArray(layers)) {
@@ -156,21 +156,19 @@
             func = anim.func;
 
             anim._updateFrameObject(new Date().getTime());
+            layersLen = layers.length;
 
-            if (layers) {
-                layersLen = layers.length;
-
-                for (i=0; i<layersLen; i++) {
-                    layer = layers[i]
-                    if(layer._id !== undefined) {
-                        layerHash[layer._id] = layer;
-                    }
-                    // if animation object has a function, execute it
-                    if(func) {
-                        func.call(anim, anim.frame);
-                    }
+            for (i=0; i<layersLen; i++) {
+                layer = layers[i]
+                if(layer._id !== undefined) {
+                    layerHash[layer._id] = layer;
                 }
             }
+
+            // if animation object has a function, execute it
+            if(func) {
+                func.call(anim, anim.frame);
+            }
         }
 
         for(key in layerHash) {