[text around circle] Placing a text around a circle. #manim #tex #placement

20240225_roundtext.py

# https://discord.com/channels/581738731934056449/1211276254620155954/1211286899474432051
from manim import *

class roundTex(Scene):
    def construct(self):
        text = Tex(r"Lorem ipsum uwezi")
        radius = 2
        circ = Circle(radius=radius)
        arclen = 180*DEGREES
        text.scale_to_fit_width(arclen*radius).move_to(ORIGIN, aligned_edge=DL)  # wrap around upper half only
        y = text.get_bottom()[1]
        for glyph in text[0]:
            handle = glyph.get_center()[0]*RIGHT + y*UP
            glyph.rotate(-PI/2-handle[0]/radius, about_point=handle).shift(circ.point_at_angle(-handle[0]/radius)-handle)
        self.play(Create(circ))
        self.play(Write(text))
        self.play(Rotate(text, angle=-3*PI, about_point=circ.get_center()))
        self.wait()

readme.md

https://discord.com/channels/581738731934056449/1211276254620155954/1211286899474432051