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

.. only:: html

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

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

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

.. _sphx_glr__gallery_feature_demo_helpers_stats.py:


Stats helper (Manual)
=====================

Demonstrates how to display performance statistics such as FPS
and draw time on screen, by manually integrating it into
the render loop.

.. GENERATED FROM PYTHON SOURCE LINES 9-55



.. image-sg:: /_gallery/feature_demo/images/sphx_glr_helpers_stats_001.webp
   :alt: helpers stats
   :srcset: /_gallery/feature_demo/images/sphx_glr_helpers_stats_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx
    import pylinalg as la

    canvas = RenderCanvas()
    renderer = gfx.renderers.WgpuRenderer(canvas)

    # Show something
    scene = gfx.Scene()
    camera = gfx.PerspectiveCamera()
    box = gfx.Mesh(
        gfx.box_geometry(5, 5, 5),
        gfx.MeshPhongMaterial(color=(0.2, 0.4, 0.6, 1.0)),
    )
    scene.add(box)
    camera.show_object(box, scale=2)

    # Let there be ...
    scene.add(gfx.AmbientLight())
    light = gfx.DirectionalLight()
    light.local.position = (0, 0, 1)
    scene.add()

    # Add stats
    stats = gfx.Stats(viewport=renderer)


    def animate():
        # Rotate the cube
        rot = la.quat_from_euler((0.005, 0.01), order="XY")
        box.local.rotation = la.quat_mul(rot, box.local.rotation)

        # Track the render time. You can enclose any
        # other piece of code for which you want to see time
        # statistics as well.
        with stats:
            renderer.render(scene, camera, flush=False)
        stats.render()
        canvas.request_draw()


    if __name__ == "__main__":
        canvas.request_draw(animate)
        loop.run()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.228 seconds)


.. _sphx_glr_download__gallery_feature_demo_helpers_stats.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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

.. only:: html

    Interactive example
    -------------------

    Try this example in your browser using Pyodide. Might not work with all examples and all devices. Check the output and your browser's console for details.

    .. raw:: html

        <iframe src="./../pyodide.html#helpers_stats.py"></iframe>