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from manim import *
import pygments # 确保已安装pygments
class CodeDemo ( Scene ) :
def construct ( self ) :
# 使用Text显示代码（ ）
code_content = ''' from manim import *
class FadeInSquare(Scene):
def construct(self):
s = Square()
self.play(FadeIn(s))
self.play(s.animate.scale(2))
self.wait()
'''
# 创建代码文本对象
code_text = Text (
code_content ,
font = " Monospace " ,
line_spacing = 0.6 ,
font_size = 20 ,
color = WHITE
) . scale ( 0.7 )
# 添加背景框
frame = SurroundingRectangle ( code_text , color = BLUE , buff = 0.5 )
# 动画序列
self . play ( Create ( frame ) , run_time = 1 )
self . play ( Write ( code_text ) , run_time = 3 )
self . wait ( 2 )
self . play ( FadeOut ( code_text ) , FadeOut ( frame ) )
