Hierarchy. Hierarchy. Hierarchy!!!

o3d/samples/manipulators/manipsample.js

 /**
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 68 matching lines @@
 /**
  * Initializes global variables, positions camera, draws shapes.
  * @param {Array} clientElements Array of o3d object elements.
  */
 function main(clientElements) {
   var o3dElement = clientElements[0];
 
   // Init global variables.
   initGlobals(clientElements);
 
-  // Add the shapes to the transform heirarchy.
+  // Add the shapes to the transform hierarchy.
   createShapes();
 
   // Add the manipulators to the transform hierarchy.
   setupManipulators();
 
   // Set up the view and projection transformations.
   initContext();
 
   // Start picking; it won't do anything until the scene finishes loading.
   o3djs.event.addEventListener(o3dElement, 'mousedown', onMouseDown);
@@ skipping 188 matching lines @@
 }
 
 /**
  * Removes any callbacks so they don't get called after the page has unloaded.
  */
 function unload() {
   if (g_client) {
     g_client.cleanup();
   }
 }