.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/07_ui/viz_playback_panel.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_auto_examples_07_ui_viz_playback_panel.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_07_ui_viz_playback_panel.py:


================
PlaybackPanel UI
================

.. GENERATED FROM PYTHON SOURCE LINES 6-11

.. code-block:: Python


    import numpy as np
    from fury import actor, window
    from fury.ui import PlaybackPanel


.. GENERATED FROM PYTHON SOURCE LINES 12-13

1. Create the Scene and a target actor (Rotating Cube)

.. GENERATED FROM PYTHON SOURCE LINES 13-20

.. code-block:: Python

    scene = window.Scene()

    centers = np.array([[0, 0, 0]])
    colors = np.array([[1, 0.5, 0]])
    cube = actor.box(centers, directions=(0, 1, 0), colors=colors, scales=(2, 2, 2))
    scene.add(cube)


.. GENERATED FROM PYTHON SOURCE LINES 21-22

2. Initialize the PlaybackPanel

.. GENERATED FROM PYTHON SOURCE LINES 22-42

.. code-block:: Python


    playback_ui = PlaybackPanel(position=(50, 50), width=700, loop=True)
    playback_ui.final_time = 60.0
    scene.add(playback_ui)

    state = {"current_time": 0.0, "rotation_speed": 1.0}


    def on_progress_changed(t):
        state["current_time"] = t
        cube.local.rotation = (0, 0, t * 0.01, 1)


    def on_speed_changed(s):
        state["rotation_speed"] = s


    playback_ui.on_progress_bar_changed = on_progress_changed
    playback_ui.on_speed_changed = on_speed_changed


.. GENERATED FROM PYTHON SOURCE LINES 43-44

5. Define the Callback

.. GENERATED FROM PYTHON SOURCE LINES 44-64

.. code-block:: Python



    def update_playback_logic(target_actor):
        """Callback to sync animation state with UI."""
        if playback_ui._playing:
            step = 0.05 * state["rotation_speed"]
            state["current_time"] += step

            if state["current_time"] > playback_ui.final_time:
                if playback_ui._loop:
                    state["current_time"] = 0
                else:
                    state["current_time"] = playback_ui.final_time
                    playback_ui.pause()

            playback_ui.current_time = state["current_time"]

            target_actor.local.rotation = (0, 0, state["current_time"] * 0.01, 1)



.. GENERATED FROM PYTHON SOURCE LINES 65-66

6. Start the ShowManager and Register the Callback

.. GENERATED FROM PYTHON SOURCE LINES 66-74

.. code-block:: Python


    show_m = window.ShowManager(
        scene=scene, size=(800, 700), title="FURY Playback Panel UI"
    )

    show_m.register_callback(update_playback_logic, 0.05, True, "PlaybackSync", cube)

    show_m.start()


.. _sphx_glr_download_auto_examples_07_ui_viz_playback_panel.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: viz_playback_panel.ipynb <viz_playback_panel.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: viz_playback_panel.py <viz_playback_panel.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: viz_playback_panel.zip <viz_playback_panel.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_