Added Mobject.shuffle_submobjects

mobject/mobject.py

@@ -5,6 +5,7 @@ import itertools as it
 import numpy as np
 import operator as op
 import os
+import random
 
 from colour import Color
 
@@ -798,6 +799,12 @@ class Mobject(Container):
         )
         return self
 
+    def shuffle_submobjects(self, recursive=False):
+        if recursive:
+            for submob in self.submobjects:
+                submob.shuffle_submobjects(recursive=True)
+        random.shuffle(self.submobjects)
+
     def print_submobject_family(self, n_tabs=0):
         """For debugging purposes"""
         print "\t" * n_tabs, self, id(self)