Method construct

example_scenes/basic.py:134–161

(self)

class SpiralInExample(Scene):
    def construct(self):
        logo_green = "#81b29a"
        logo_blue = "#454866"
        logo_red = "#e07a5f"

        font_color = "#ece6e2"

        pi = MathTex(r"\pi").scale(7).set_color(font_color)
        pi.shift(2.25 * LEFT + 1.5 * UP)

        circle = Circle(color=logo_green, fill_opacity=0.7, stroke_width=0).shift(LEFT)
        square = Square(color=logo_blue, fill_opacity=0.8, stroke_width=0).shift(UP)
        triangle = Triangle(color=logo_red, fill_opacity=0.9, stroke_width=0).shift(
            RIGHT
        )
        pentagon = Polygon(
            *[
                [np.cos(2 * np.pi / 5 * i), np.sin(2 * np.pi / 5 * i), 0]
                for i in range(5)
            ],
            color=PURPLE_B,
            fill_opacity=1,
            stroke_width=0,
        ).shift(UP + 2 * RIGHT)
        shapes = VGroup(triangle, square, circle, pentagon, pi)
        self.play(SpiralIn(shapes, fade_in_fraction=0.9))
        self.wait()
        self.play(FadeOut(shapes))


Triangle.set_default(stroke_width=20)