o3djs: Multiple simple lights, and a new demo.

o3djs/pack.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 41 matching lines @@
 o3djs.pack = o3djs.pack || {};
 
 /**
  * Prepares a pack for rendering.
  *
  * @param {!o3d.Pack} pack Pack to prepare.
  * @param {!o3djs.rendergraph.ViewInfo} viewInfo as returned from
  *     o3djs.rendergraph.createView.
  * @param {!o3d.Pack} opt_effectPack Pack to create effects in. If this is
  *     not specifed the pack to prepare above will be used.
+ * @param {Object} opt_options Extra options for effect.getStandardShader
  *
  * @see o3djs.material.prepareMaterials
  * @see o3djs.shape.prepareShapes
  */
-o3djs.pack.preparePack = function(pack, viewInfo, opt_effectPack) {
-  o3djs.material.prepareMaterials(pack, viewInfo, opt_effectPack);
+o3djs.pack.preparePack = function(pack, viewInfo, opt_effectPack, opt_options) {
+  o3djs.material.prepareMaterials(pack, viewInfo, opt_effectPack, opt_options);
   o3djs.shape.prepareShapes(pack);
 };