椭圆

class EllipseExample(Scene):
    def construct(self):
        ellipse_1 = Ellipse(width=2.0, height=4.0, color=BLUE_B)
        ellipse_2 = Ellipse(width=4.0, height=1.0, color=BLUE_D)
        ellipse_group = Group(ellipse_1,ellipse_2).arrange(buff=1)
        self.play(Create(ellipse_1))
        self.play(Create(ellipse_2))

关键词： Ellipse geometry