Added culling sample.

samples/o3d-webgl/ray_intersection_info.js

 /*
  * Copyright 2010, 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 33 matching lines @@
 
 /**
  * True if this ray intersection info is valid. For example if you call
  * element.intersectRay on an element that has no vertex buffers the result
  * will be invalid.
  * @type {boolean}
  */
 o3d.RayIntersectionInfo.prototype.valid = false;
 
 
+/**
+ * True if the origin of the ray is found to be inside the box.
+ * @type {boolean}
+ */
+o3d.RayIntersectionInfo.prototype.inside = false;
+
 
 /**
  * True if this ray intersection intersected something.
  * @type {boolean}
  */
 o3d.RayIntersectionInfo.prototype.intersected = false;
 
 
 
 /**
  * The position the ray intersected something.
  * type {!o3d.Point3}
  */
 o3d.RayIntersectionInfo.prototype.position = [0, 0, 0];
 
 
 
 /**
  * The index of the primitive that was intersected.
  * @type {number}
  */
 o3d.RayIntersectionInfo.prototype.primitiveIndex = -1;