From 2e9c89502d8ec2fc613bafdbc5f5341f8430afb1 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 7 Mar 2024 08:39:45 -0300
Subject: [PATCH] Restrict alpha in CountInFrom

---
 manimlib/animation/numbers.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/manimlib/animation/numbers.py b/manimlib/animation/numbers.py
index 04db6188..c516b2e9 100644
--- a/manimlib/animation/numbers.py
+++ b/manimlib/animation/numbers.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 from manimlib.animation.animation import Animation
 from manimlib.mobject.numbers import DecimalNumber
 from manimlib.utils.bezier import interpolate
+from manimlib.utils.simple_functions import clip
 
 from typing import TYPE_CHECKING
 
@@ -55,9 +56,9 @@ class CountInFrom(ChangingDecimal):
         source_number: float | complex = 0,
         **kwargs
     ):
-        start_number = decimal_mob.number
+        start_number = decimal_mob.get_value()
         super().__init__(
             decimal_mob,
-            lambda a: interpolate(source_number, start_number, a),
+            lambda a: interpolate(source_number, start_number, clip(a, 0, 1)),
             **kwargs
         )