manim如何按绝对时间管理动画

写了个header.py

from manim import *
import manim
# 配置中文支持
manim.config.tex_template = manim.TexTemplate(tex_compiler="xelatex",output_format=".pdf",preamble=r"""\usepackage{amsmath}\usepackage{amssymb}\usepackage{xeCJK}\setCJKmainfont{SimHei}  % 设置中文字体"""
)
# from manimlib.imports import *class TimeScene(Scene):def __init__(self):super().__init__()self.t = 0  # 当前时间def do(self, time_val, func=None, *args, abs=False, **kwargs):"""终极简洁版本"""if abs:  # 绝对时间wait_time = max(0.1, time_val - self.t)if func == self.wait:func(wait_time)elif func and args:kwargs['run_time'] = wait_timefunc(*args, **kwargs)self.t = self.t+wait_timeelse:  # 相对时间if func == self.wait:func(time_val)elif func and args:kwargs['run_time'] = time_valfunc(*args, **kwargs)self.t += time_val