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

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

.. _sphx_glr__gallery_validation_validate_blend_dither.py:


Validate dither
===============

This example draws a series of semitransparent planes using dither mode.

.. GENERATED FROM PYTHON SOURCE LINES 7-61



.. image-sg:: /_gallery/validation/images/sphx_glr_validate_blend_dither_001.webp
   :alt: validate blend dither
   :srcset: /_gallery/validation/images/sphx_glr_validate_blend_dither_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(size=(600, 600))
    renderer = gfx.renderers.WgpuRenderer(canvas)

    scene = gfx.Scene()

    sphere = gfx.Mesh(gfx.sphere_geometry(10), gfx.MeshPhongMaterial())

    geometry = gfx.plane_geometry(50, 50)
    plane1 = gfx.Mesh(
        geometry, gfx.MeshBasicMaterial(alpha_mode="dither", color="r", opacity=0.3)
    )
    plane2 = gfx.Mesh(
        geometry, gfx.MeshBasicMaterial(alpha_mode="dither", color="g", opacity=0.5)
    )
    plane3 = gfx.Mesh(
        geometry, gfx.MeshBasicMaterial(alpha_mode="dither", color="b", opacity=0.7)
    )

    plane1.local.rotation = la.quat_from_axis_angle((1, 0, 0), 1.571)
    plane2.local.rotation = la.quat_from_axis_angle((0, 1, 0), 1.571)
    plane3.local.rotation = la.quat_from_axis_angle((0, 0, 1), 1.571)

    t = gfx.Text(
        text="dither",
        screen_space=True,
        font_size=20,
        material=gfx.TextMaterial(aa=True),
    )
    t.local.position = (0, 40, 0)

    scene.add(plane1, plane2, plane3, sphere, t)
    scene.add(gfx.AmbientLight(1, 1))

    camera = gfx.PerspectiveCamera(70, 16 / 9, depth_range=(0.1, 2000))
    camera.local.position = (30, 40, 50)
    camera.look_at((0, 0, 0))


    def animate():
        renderer.render(scene, camera)


    canvas.request_draw(animate)


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


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

   **Total running time of the script:** (0 minutes 0.394 seconds)


.. _sphx_glr_download__gallery_validation_validate_blend_dither.py:

.. only:: html

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

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

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

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

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

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

      :download:`Download zipped: validate_blend_dither.zip <validate_blend_dither.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_blend_dither.py"></iframe>