From fd1f4313ec0c48626543f3b9beabf911d4849b0e Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 18 Jun 2020 16:30:38 -0700
Subject: [PATCH] Lock shader data during interaction

---
 manimlib/scene/scene.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/manimlib/scene/scene.py b/manimlib/scene/scene.py
index 348bd6c2..dd7b7633 100644
--- a/manimlib/scene/scene.py
+++ b/manimlib/scene/scene.py
@@ -100,10 +100,13 @@ class Scene(Container):
         # which updates the frame while under
         # the hood calling the pyglet event loop
         self.quit_interaction = False
+        self.lock_static_mobject_data()
         while not self.window.is_closing and not self.quit_interaction:
             self.update_frame()
         if self.window.is_closing:
             self.window.destroy()
+        if self.quit_interaction:
+            self.unlock_mobject_data()
 
     def embed(self):
         if not self.preview: