Reverted some unfinished optimizations in pulse.Layer.

lib/pulse/src/visual/layer.js

@@ -132,8 +132,6 @@ pulse.Layer = pulse.Visual.extend(
      */
     this.objects = {};
 
-    this._private.objectArray = [];
-
     /**
      * The ordered keys of the child nodes.
      * @type {array}
@@ -171,7 +169,6 @@ pulse.Layer = pulse.Visual.extend(
 
       if(!this.objects.hasOwnProperty(obj.name)) {
         this.objects[obj.name] = obj;
-        this._private.objectArray.push(obj);
         obj.parent = this;
         obj.updated = true;
         this._private.orderedKeys = pulse.util.getOrderedKeys(this.objects);
@@ -269,19 +266,17 @@ pulse.Layer = pulse.Visual.extend(
 
     var reorder = false;
 
-    var len = this._private.objectArray.length;
-    for(var i = 0; i < len; i++) {
-      var node = this._private.objectArray[i];
-      if(node instanceof pulse.Visual) {
-        if(node.shuffled === true) {
-          node.shuffled = false;
+    for(var s in this.objects) {
+      if(this.objects[s] instanceof pulse.Visual) {
+        if(this.objects[s].shuffled === true) {
+          this.objects[s].shuffled = false;
           reorder = true;
         }
 
-        node.update(elapsed);
+        this.objects[s].update(elapsed);
 
         // If the objects needs redrawn, mark the layer as needing redrawn.
-        if(node.updated) {
+        if(this.objects[s].updated) {
           this.updated = true;
         }
       }
@@ -321,9 +316,8 @@ pulse.Layer = pulse.Visual.extend(
     var isDirty = false;
 
     // Do any sprites need updated?
-    var len = this._private.objectArray.length;
-    for(var i = 0; i < len; i++) {
-      if(this._private.objectArray[i].updated) {
+    for(var s in this.objects) {
+      if(this.objects[s].updated) {
         isDirty = true;
         break;
       }