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Mention Sorting Offset property in 3D rendering limitations (#6944)

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Co-authored-by: Hugo Locurcio <hugo.locurcio@hugo.pro>
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Clay John
2023-03-13 18:20:19 +01:00
committed by GitHub
co-authored by Hugo Locurcio
parent a166f7c483
commit 6538f38db8
1 changed files with 9 additions and 4 deletions
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tutorials/3d/3d_rendering_limitations.rst
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@@ -96,10 +96,15 @@ Transparency sorting
In Godot, transparent materials are drawn after opaque materials. Transparent
objects are sorted back to front before being drawn based on the Node3D's
position, not the vertex position in world space. Due to this, overlapping
objects may often be sorted out of order. To fix improperly sorted objects, tweak
the material's :ref:`Render Priority <class_Material_property_render_priority>`
property. This will force specific materials to appear in front or behind of
other transparent materials. Even then, this may not always be sufficient.
objects may often be sorted out of order. To fix improperly sorted objects,
tweak the material's
:ref:`Render Priority <class_Material_property_render_priority>`
property or the node's
:ref:`Sorting Offset <class_VisualInstance3D_property_sorting_offset>`.
Render Priority will force specific materials to appear in front of or behind
other transparent materials, while Sorting Offset will move the object
forward or backward for the purpose of sorting. Even then, these may not
always be sufficient.
Some rendering engines feature *order-independent transparency* techniques to
alleviate this, but this is costly on the GPU. Godot currently doesn't provide