Demonstration of PyVista with checkbox button

pyvista_checkbox_dragon.py

import pyvista as pv
import numpy as np
from pyvista import examples

mesh = examples.download_dragon()
p = pv.BackgroundPlotter()


# describe the movement
class Animate(object):
    def __init__(self):
        self.angle = 0
        self.animation_state = False

    def __call__(self):
        if self.animation_state:
            self.angle = (self.angle + 1) % 360
            position = (
                np.cos(self.angle * np.pi / 180.),
                0.5,
                np.sin(self.angle * np.pi / 180.)
            )
            p.camera_position = (
                position,
                (0, 0, 0),
                (0, 1, 0)
            )
            p.reset_camera()


animate = Animate()


# define the animation switch
def toggle_animation(state):
    animate.animation_state = state


p.add_mesh(mesh, smooth_shading=True, specular=1.0, color='green')
p.add_checkbox_button_widget(toggle_animation, value=False, color_on='green')
p.add_callback(animate, interval=16)  # to be smooth on 60Hz
p.add_text("Animate", position=(70, 10))
p.enable_anti_aliasing()
p.hide_axes()
p.set_background(color='black')