From 09579fcd3eb94be7f0c6d3963afa2bce74941ecf Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Wed, 24 Mar 2021 13:58:52 -0700
Subject: [PATCH] Not a great long-term fix, but flipping should always refresh
 the triangulation

---
 manimlib/mobject/types/vectorized_mobject.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/manimlib/mobject/types/vectorized_mobject.py b/manimlib/mobject/types/vectorized_mobject.py
index c1c698f1..1394e78b 100644
--- a/manimlib/mobject/types/vectorized_mobject.py
+++ b/manimlib/mobject/types/vectorized_mobject.py
@@ -848,8 +848,8 @@ class VMobject(Mobject):
             old_points = self.get_points()
             func(self, *args, **kwargs)
             if not np.all(self.get_points() == old_points):
-                self.refresh_triangulation()
                 self.refresh_unit_normal()
+                self.refresh_triangulation()
         return wrapper
 
     @triggers_refreshed_triangulation
@@ -870,9 +870,10 @@ class VMobject(Mobject):
             self.make_approximately_smooth()
         return self
 
-    @triggers_refreshed_triangulation
     def flip(self, *args, **kwargs):
         super().flip(*args, **kwargs)
+        self.refresh_unit_normal()
+        self.refresh_triangulation()
         return self
 
     # For shaders