From cc81cc5cf5f55749f7cc4e8e35cc0eaf9eaa1ae3 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Tue, 19 Jul 2022 12:37:34 -0700
Subject: [PATCH] Move unit normal refreshing to VMobject

---
 manimlib/mobject/mobject.py                  | 1 -
 manimlib/mobject/types/vectorized_mobject.py | 5 +++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 9f9d5836..12fab49a 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -190,7 +190,6 @@ class Mobject(object):
         for mob in self.get_family():
             for key in mob.data:
                 mob.data[key] = mob.data[key][::-1]
-        self.refresh_unit_normal()
         return self
 
     def apply_points_function(
diff --git a/manimlib/mobject/types/vectorized_mobject.py b/manimlib/mobject/types/vectorized_mobject.py
index d58def01..b21222be 100644
--- a/manimlib/mobject/types/vectorized_mobject.py
+++ b/manimlib/mobject/types/vectorized_mobject.py
@@ -770,6 +770,11 @@ class VMobject(Mobject):
             mob.get_unit_normal(recompute=True)
         return self
 
+    def reverse_points(self):
+        super().reverse_points()
+        self.refresh_unit_normal()
+        return self
+
     # Alignment
     def align_points(self, vmobject: VMobject):
         if self.get_num_points() == len(vmobject.get_points()):