From 40e44e6dd7f7a926ba8bb1b2fab6ac49679f01d0 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 20 Jun 2019 13:26:22 -0700
Subject: [PATCH] Parametric surface should remember what function created it

---
 manimlib/mobject/three_dimensions.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/manimlib/mobject/three_dimensions.py b/manimlib/mobject/three_dimensions.py
index 81bc84c6..7b49ec39 100644
--- a/manimlib/mobject/three_dimensions.py
+++ b/manimlib/mobject/three_dimensions.py
@@ -33,6 +33,7 @@ class ParametricSurface(VGroup):
 
     def __init__(self, func, **kwargs):
         VGroup.__init__(self, **kwargs)
+        self.func = func
         self.setup_in_uv_space()
         self.apply_function(lambda p: func(p[0], p[1]))
         if self.should_make_jagged: