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Add premultiplied alpha documentation to StandardMaterial3D tutorial #10995

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Jun 7, 2025
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Add premultiplied alpha documentation to StandardMaterial3D tutorial #10995

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3 changes: 3 additions & 0 deletions tutorials/3d/standard_material_3d.rst
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Expand Up @@ -189,6 +189,9 @@ other than *Mix* forces the object to go through the transparent pipeline.
screen.
* **Mul:** The final color of the object is multiplied with the color of the
screen.
* **Premultiplied Alpha:** The color of the object is expected to have already been
multiplied by the alpha. This behaves like **Add** when the alpha is ``0.0``
(fully transparent) and like **Mix** when the alpha is ``1.0`` (opaque).

.. image:: img/spatial_material8.png

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