.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "_gallery/validation/validate_depth_overlay1.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_overlay1.py>`
        to download the full example code.

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

.. _sphx_glr__gallery_validation_validate_depth_overlay1.py:


Depth Overlay 1
===============

Example (and test) for behavior of the depth buffer w.r.t. overlays,
implemented by multiple render calls. The overlay should always be on
top.

.. GENERATED FROM PYTHON SOURCE LINES 9-74



.. image-sg:: /_gallery/validation/images/sphx_glr_validate_depth_overlay1_001.webp
   :alt: validate depth overlay1
   :srcset: /_gallery/validation/images/sphx_glr_validate_depth_overlay1_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    import numpy as np
    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)

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

    scene1 = gfx.Scene()

    cube1 = gfx.Mesh(
        gfx.box_geometry(),
        gfx.MeshPhongMaterial(color="#ff0"),
    )
    rot = la.quat_from_euler((0.2, 0.3), order="XY")
    cube1.local.rotation = la.quat_mul(rot, cube1.local.rotation)
    scene1.add(cube1)

    # Compose a scene with a 2D square at the origin, in the xy plane

    scene2 = gfx.Scene()

    positions = np.array(
        [
            [-1, -1, 0.0],
            [-1, +1, 0.0],
            [+1, +1, 0.0],
            [+1, -1, 0.0],
            [-1, -1, 0.0],
            [+1, +1, 0.0],
        ],
        np.float32,
    )
    line2 = gfx.Line(
        gfx.Geometry(positions=positions * 0.5),
        gfx.LineMaterial(
            thickness=5.0, color="#f0f", depth_test=False, depth_write=False, aa=True
        ),
    )
    scene2.add(line2)

    # Camera

    camera = gfx.OrthographicCamera(2, 2)
    scene1.add(camera.add(gfx.DirectionalLight()))


    def draw():
        renderer.render(scene1, camera, flush=False)
        renderer.render(scene2, camera, flush=False)
        renderer.flush()


    canvas.request_draw(draw)

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


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

   **Total running time of the script:** (0 minutes 0.140 seconds)


.. _sphx_glr_download__gallery_validation_validate_depth_overlay1.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_overlay1.ipynb <validate_depth_overlay1.ipynb>`

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

      :download:`Download Python source code: validate_depth_overlay1.py <validate_depth_overlay1.py>`

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

      :download:`Download zipped: validate_depth_overlay1.zip <validate_depth_overlay1.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_overlay1.py"></iframe>