From 5636b41dfd6ce2b838f1ebfac57e731808e1919e Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 25 Feb 2021 08:48:41 -0800
Subject: [PATCH] bug fix for resize_with_interpolation in the case of length=0

---
 manimlib/utils/iterables.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/manimlib/utils/iterables.py b/manimlib/utils/iterables.py
index e7d8fc6a..4fd0582c 100644
--- a/manimlib/utils/iterables.py
+++ b/manimlib/utils/iterables.py
@@ -98,6 +98,8 @@ def resize_preserving_order(nparray, length):
 def resize_with_interpolation(nparray, length):
     if len(nparray) == length:
         return nparray
+    if length == 0:
+        return np.zeros((0, *nparray.shape[1:]))
     cont_indices = np.linspace(0, len(nparray) - 1, length)
     return np.array([
         (1 - a) * nparray[lh] + a * nparray[rh]