From 84e7bdb2b1f41929dada735094eccc9fc2cdc65c Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Fri, 6 Dec 2019 17:10:00 -0800
Subject: [PATCH] Added a couple helpful debugging functions

---
 manimlib/imports.py     |  1 +
 manimlib/utils/debug.py | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 manimlib/utils/debug.py

diff --git a/manimlib/imports.py b/manimlib/imports.py
index b6fd097b..23c1498e 100644
--- a/manimlib/imports.py
+++ b/manimlib/imports.py
@@ -86,6 +86,7 @@ from manimlib.scene.zoomed_scene import *
 from manimlib.utils.bezier import *
 from manimlib.utils.color import *
 from manimlib.utils.config_ops import *
+from manimlib.utils.debug import *
 from manimlib.utils.images import *
 from manimlib.utils.iterables import *
 from manimlib.utils.file_ops import *
diff --git a/manimlib/utils/debug.py b/manimlib/utils/debug.py
new file mode 100644
index 00000000..b01ee2bf
--- /dev/null
+++ b/manimlib/utils/debug.py
@@ -0,0 +1,21 @@
+from manimlib.constants import BLACK
+from manimlib.mobject.numbers import Integer
+from manimlib.mobject.types.vectorized_mobject import VGroup
+
+
+def print_family(mobject, n_tabs=0):
+    """For debugging purposes"""
+    print("\t" * n_tabs, mobject, id(mobject))
+    for submob in mobject.submobjects:
+        submob.print_family(n_tabs + 1)
+
+
+def get_submobject_index_labels(mobject, label_height=0.15):
+    labels = VGroup()
+    for n, submob in enumerate(mobject):
+        label = Integer(n)
+        label.set_height(label_height)
+        label.move_to(submob)
+        label.set_stroke(BLACK, 5, background=True)
+        labels.add(label)
+    return labels