[fancy bulleted list] A fancy bulleted list in Manim. #manim #animate #tex

20250524_bulleted.py

from manim import *

# https://discord.com/channels/581738731934056449/1375396076231594045/1375396076231594045

class FancyBulletlist(VGroup):
    def __init__(self, bulletobject=None, items=[], **kwargs):
        super().__init__(**kwargs)
        if bulletobject == None:
            bulletobject = Dot()
        self.items = items
        self.bulletobject = bulletobject

        itemstex = Tex(
            *[item+r"\\" for item in items],
            tex_environment="flushleft"
        )

        items = [
            VGroup(
                bulletobject.copy().next_to(line,LEFT),
                line,
            )
            for line in itemstex
        ]

        self.items = items
        self.add(*items)

    def FancyAnimation(self, item=0, bulletAnimation=SpinInFromNothing, textAnimation=Write, lag_ratio = 0):
        return LaggedStart(
            bulletAnimation(self.items[item][0]),
            textAnimation(self.items[item][1]),
            lag_ratio=lag_ratio,
        )

class testFancyBulletlist(Scene):
    def construct(self):
        bullet = VGroup(
            Dot(radius=0.05, color=RED),
            RoundedRectangle(width=0.3,height=0.3,corner_radius=0.05, color=RED).rotate(45*DEGREES)
        )
        bpoints = FancyBulletlist(
            bulletobject=bullet,
            items=["First line", "Second line", "Third line"]
        )
        for i in range(len(bpoints)):
            self.play(bpoints.FancyAnimation(item=i))
            self.wait()

readme.md

An animated, fancy bulleted list inspired by youtube user Bog in https://youtu.be/8WkcLwXCFJQ?t=1m38s and discussed in https://discord.com/channels/581738731934056449/1375396076231594045/1375396076231594045