From fda956104aae052a0dc8e420f01b4188a060de25 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grantsanderson7@gmail.com>
Date: Wed, 23 Dec 2015 14:51:41 -0800
Subject: [PATCH] Added thin_out method

---
 mobject/mobject.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/mobject/mobject.py b/mobject/mobject.py
index bdc96d6e..ea238daf 100644
--- a/mobject/mobject.py
+++ b/mobject/mobject.py
@@ -187,6 +187,19 @@ class Mobject(object):
             mob.rgbs = mob.rgbs[to_eliminate]
         return self
 
+    def thin_out(self, factor = 5):
+        """
+        Removes all but every nth point for n = factor
+        """
+        for mob in self.nonempty_family_members():
+            num_points = self.get_num_points()
+            mob.apply_over_attr_arrays(
+                lambda arr : arr[
+                    np.arange(0, num_points, factor)
+                ]
+            )
+        return self
+
     def sort_points(self, function = lambda p : p[0]):
         """
         function is any map from R^3 to R