3b1b-manim/docs/example.py
meadlai 762f1abef7
Fix the import
Fix the import statement
2021-09-04 21:31:57 +08:00

37 lines
1.2 KiB
Python

from manimlib import *
class SquareToCircle(Scene):
def construct(self):
circle = Circle()
circle.set_fill(BLUE, opacity=0.5)
circle.set_stroke(BLUE_E, width=4)
square = Square()
self.play(ShowCreation(square))
self.wait()
self.play(ReplacementTransform(square, circle))
self.wait()
# Try typing the following lines
# self.play(circle.animate.stretch(4, dim=0))
# self.play(Rotate(circle, TAU / 4))
# self.play(circle.animate.shift(2 * RIGHT), circle.animate.scale(0.25))
# circle.insert_n_curves(10)
# self.play(circle.animate.apply_complex_function(lambda z: z**2))
class SquareToCircleEmbed(Scene):
def construct(self):
circle = Circle()
circle.set_fill(BLUE, opacity=0.5)
circle.set_stroke(BLUE_E, width=4)
self.add(circle)
self.wait()
self.play(circle.animate.stretch(4, dim=0))
self.wait(1.5)
self.play(Rotate(circle, TAU / 4))
self.wait(1.5)
self.play(circle.animate.shift(2 * RIGHT), circle.animate.scale(0.25))
self.wait(1.5)
circle.insert_n_curves(10)
self.play(circle.animate.apply_complex_function(lambda z: z**2))
self.wait(2)