1 files changed, 16 insertions, 5 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 1552178d..5a054224 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -761,13 +761,10 @@ World.prototype.exportJSON = function()
         // We need to rebuild everything
         if (this._useWebGL)
         {
-                var root = this._rootNode;
-                root.children = new Array();
                 if (worldObj.children && (worldObj.children.length === 1))
                 {
-                        this.init();
-                        this._geomRoot = undefined;
-                        this.importObjectsJSON( worldObj.children[0] );
+            this.rebuildTree(this._geomRoot);
+            this.restartRenderLoop();
                 }
         }
 
@@ -783,6 +780,20 @@ World.prototype.exportJSON = function()
         return jStr;
 }
 
+World.prototype.rebuildTree = function( obj )
+{
+        if (!obj)  return;
+
+        obj.buildBuffers();
+
+        if (obj.getChild()) {
+                 this.rebuildTree( obj.getChild () );
+    }
+
+        if (obj.getNext())
+                this.rebuildTree( obj.getNext() );
+}
+
 World.prototype.exportObjectsJSON = function( obj,  parentObj )
 {
         if (!obj)  return;