.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/feature_demo/skybox.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_skybox.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_feature_demo_skybox.py:


Use a Skybox
============

Example with a skybox background.

Inspired by https://github.com/gfx-rs/wgpu-rs/blob/master/examples/skybox/main.rs

.. GENERATED FROM PYTHON SOURCE LINES 9-68



.. image-sg:: /_gallery/feature_demo/images/sphx_glr_skybox_001.webp
   :alt: skybox
   :srcset: /_gallery/feature_demo/images/sphx_glr_skybox_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    import imageio.v3 as iio
    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx
    import pylinalg as la

    # Read the image
    # The order of the images is already correct for GPU cubemap texture sampling
    im = iio.imread("imageio:meadow_cube.jpg")

    # Turn it into a 3D image (a 4d nd array)
    width = height = im.shape[1]
    im.shape = -1, width, height, 3

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

    # Create cubemap texture
    tex_size = width, height, 6
    tex = gfx.Texture(im, dim=2, size=tex_size)

    # And the background image with the cube texture
    background = gfx.Background(None, gfx.BackgroundSkyboxMaterial(map=tex))
    scene.add(background)

    # Let's add some cubes to make the scene less boring
    cubes = []
    for pos in (-600, 0, -600), (-600, 0, +600), (+600, 0, -600), (+600, 0, +600):
        clr = (0.5, 0.6, 0.0, 1.0)
        cube = gfx.Mesh(gfx.box_geometry(200, 200, 200), gfx.MeshPhongMaterial(color=clr))
        cube.local.position = pos
        cubes.append(cube)
        scene.add(cube)


    camera = gfx.PerspectiveCamera(70)

    light = gfx.DirectionalLight(0.6)
    light.local.position = (0, -100, 0)
    scene.add(gfx.AmbientLight(0.4), light)


    def animate():
        rot = la.quat_from_euler((0.01, 0.02), order="XY")
        for cube in cubes:
            cube.local.rotation = la.quat_mul(rot, cube.local.rotation)

        rot = la.quat_from_euler((0, 0.005), order="XY")
        camera.local.rotation = la.quat_mul(rot, camera.local.rotation)

        renderer.render(scene, camera)
        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 0.865 seconds)


.. _sphx_glr_download__gallery_feature_demo_skybox.py:

.. only:: html

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

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

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

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

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

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

      :download:`Download zipped: skybox.zip <skybox.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#skybox.py"></iframe>