图形¶

import manimgx as m
import numpy as np


def wave(x: float) -> float:
    return 1.5 * np.sin(x)


class GraphsHero(m.Scene):
    def construct(self) -> None:
        axes = m.Axes(x_range=[0, 7, 1], y_range=[-2, 2, 1], x_length=10, y_length=5)
        axes.add_coordinates()
        graph = axes.plot(wave, color=m.BLUE)
        area = axes.get_area(graph, x_range=[0, m.PI], opacity=0.4)
        label = axes.get_graph_label(graph, r"1.5 \sin x", x_val=2)
        self.play(m.Create(axes))
        self.play(m.Create(graph), m.Write(label))
        self.play(m.FadeIn(area))
        self.wait()