函数图象变换

class GraphTransform(Scene):
    def construct(self):
        ax = Axes()
        curve1 = ax.plot(lambda x: .1 * x**2, color=TEAL)
        
        curve2 = ax.plot(lambda x: 0, color=TEAL)

        curve3 = ax.plot(
            lambda x: -2 if x<0 else 2,
            discontinuities=[0],
            color=TEAL,
        )

        self.add(ax)
        self.play(Create(curve1, run_time=2))
        self.play(ReplacementTransform(curve1, curve2))
        self.play(ReplacementTransform(curve2, curve3))

关键词：FunctionGraph Transform