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"""
.. _animation_example:
Animation
~~~~~~~~~
This example demonstrates how to create a simple animation.
A timer is used with :meth:`~pyvista.Plotter.add_timer_event`
to move a sphere across a scene.
Inspired by `VTK Animation Examples <https://examples.vtk.org/site/Python/Utilities/Animation/>`_.
"""
from __future__ import annotations
import pyvista as pv
sphere = pv.Sphere()
pl = pv.Plotter()
actor = pl.add_mesh(sphere)
def callback(step):
actor.position = [step / 100.0, step / 100.0, 0]
pl.add_timer_event(max_steps=200, duration=500, callback=callback)
cpos = [(0.0, 0.0, 10.0), (0.0, 0.0, 0.0), (0.0, 1.0, 0.0)]
pl.show(cpos=cpos)
# %%
# .. tags:: widgets
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