.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/validation/validate_depth_overlay2.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download__gallery_validation_validate_depth_overlay2.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_validation_validate_depth_overlay2.py:


Depth Overlay 2
===============

Example (and test) for behavior of the depth buffer w.r.t. overlays,
implemented using ``Material.depth_test``. The overlaid object should
always be on top.

.. GENERATED FROM PYTHON SOURCE LINES 9-56



.. image-sg:: /_gallery/validation/images/sphx_glr_validate_depth_overlay2_001.webp
   :alt: validate depth overlay2
   :srcset: /_gallery/validation/images/sphx_glr_validate_depth_overlay2_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



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


    # Create a canvas and renderer

    canvas = RenderCanvas(size=(500, 300))
    renderer = gfx.renderers.WgpuRenderer(canvas)
    scene = gfx.Scene()

    # Compose a scene with a 3D cube at the origin

    # Define cubes in the order that we want them rendered
    cubes = [
        (2.0, "#f00", 1),
        (1.8, "#ff0", 1),
        (1.6, "#0f0", 2),
        (1.4, "#0ff", 2),
    ]

    # We can mangle them a bit, because we define render order
    cubes = cubes[2:] + cubes[0:2]

    for size, color, render_order in cubes:
        cube = gfx.Mesh(
            gfx.box_geometry(size, size, size),
            gfx.MeshPhongMaterial(color=color, side="front", depth_test=False),
        )
        cube.render_order = render_order
        rot = la.quat_from_euler((0.2, 0.3), order="XY")
        cube.local.rotation = la.quat_mul(rot, cube.local.rotation)
        scene.add(cube)


    # Camera

    camera = gfx.OrthographicCamera(3, 3)
    scene.add(camera.add(gfx.DirectionalLight()))

    canvas.request_draw(lambda: renderer.render(scene, camera))

    if __name__ == "__main__":
        print(__doc__)
        loop.run()


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

   **Total running time of the script:** (0 minutes 0.199 seconds)


.. _sphx_glr_download__gallery_validation_validate_depth_overlay2.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: validate_depth_overlay2.ipynb <validate_depth_overlay2.ipynb>`

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

      :download:`Download Python source code: validate_depth_overlay2.py <validate_depth_overlay2.py>`

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

      :download:`Download zipped: validate_depth_overlay2.zip <validate_depth_overlay2.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#validate_depth_overlay2.py"></iframe>