From 33df0ed0dcdfcc188cbd4b6a8fa58b3d0892502a Mon Sep 17 00:00:00 2001
From: David Vierra <codewarrior@hawaii.rr.com>
Date: Sat, 25 Sep 2010 18:31:55 -1000
Subject: [PATCH] box compare

---
 box.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/box.py b/box.py
index 29b148d..282c34a 100644
--- a/box.py
+++ b/box.py
@@ -99,6 +99,9 @@ class BoundingBox (object):
         if z<self.minz or z>=self.maxz: return False
         
         return True;
+    
+    def __cmp__(a, b):
+        return cmp( (a.origin, a.size), (b.origin, b.size) )
         
     def __repr__(self):
         return "BoundingBox({0}, {1})".format(self.origin, self.size)
\ No newline at end of file