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77 lines
4.6 KiB
ReStructuredText
77 lines
4.6 KiB
ReStructuredText
:github_url: hide
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.. _class_CubemapArray:
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CubemapArray
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============
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**繼承：** :ref:`ImageTextureLayered<class_ImageTextureLayered>` **<** :ref:`TextureLayered<class_TextureLayered>` **<** :ref:`Texture<class_Texture>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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:ref:`Cubemap<class_Cubemap>` 陣列，儲存在一起並使用單一參考。
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.. rst-class:: classref-introduction-group
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說明
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----
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**CubemapArray**\ s are made of an array of :ref:`Cubemap<class_Cubemap>`\ s. Like :ref:`Cubemap<class_Cubemap>`\ s, they are made of multiple textures, the amount of which must be divisible by 6 (one for each face of the cube).
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The primary benefit of **CubemapArray**\ s is that they can be accessed in shader code using a single texture reference. In other words, you can pass multiple :ref:`Cubemap<class_Cubemap>`\ s into a shader using a single **CubemapArray**. :ref:`Cubemap<class_Cubemap>`\ s are allocated in adjacent cache regions on the GPU, which makes **CubemapArray**\ s the most efficient way to store multiple :ref:`Cubemap<class_Cubemap>`\ s.
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Godot uses **CubemapArray**\ s internally for many effects, including the :ref:`Sky<class_Sky>` if you set :ref:`ProjectSettings.rendering/reflections/sky_reflections/texture_array_reflections<class_ProjectSettings_property_rendering/reflections/sky_reflections/texture_array_reflections>` to ``true``.
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To create such a texture file yourself, reimport your image files using the Godot Editor import presets. To create a CubemapArray from code, use :ref:`ImageTextureLayered.create_from_images()<class_ImageTextureLayered_method_create_from_images>` on an instance of the CubemapArray class.
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The expected image order is X+, X-, Y+, Y-, Z+, Z- (in Godot's coordinate system, so Y+ is "up" and Z- is "forward"). You can use one of the following templates as a base:
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- `2×3 cubemap template (default layout option) <https://raw.githubusercontent.com/godotengine/godot-docs/master/tutorials/assets_pipeline/img/cubemap_template_2x3.webp>`__\
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- `3×2 cubemap template <https://raw.githubusercontent.com/godotengine/godot-docs/master/tutorials/assets_pipeline/img/cubemap_template_3x2.webp>`__\
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- `1×6 cubemap template <https://raw.githubusercontent.com/godotengine/godot-docs/master/tutorials/assets_pipeline/img/cubemap_template_1x6.webp>`__\
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- `6×1 cubemap template <https://raw.githubusercontent.com/godotengine/godot-docs/master/tutorials/assets_pipeline/img/cubemap_template_6x1.webp>`__\
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Multiple layers are stacked on top of each other when using the default vertical import option (with the first layer at the top). Alternatively, you can choose a horizontal layout in the import options (with the first layer at the left).
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\ **Note:** **CubemapArray** is not supported in the Compatibility renderer due to graphics API limitations.
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.. rst-class:: classref-reftable-group
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方法
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----
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.. table::
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:widths: auto
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+---------------------------------+---------------------------------------------------------------------------------------+
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| :ref:`Resource<class_Resource>` | :ref:`create_placeholder<class_CubemapArray_method_create_placeholder>`\ (\ ) |const| |
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+---------------------------------+---------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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方法說明
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--------
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.. _class_CubemapArray_method_create_placeholder:
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.. rst-class:: classref-method
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:ref:`Resource<class_Resource>` **create_placeholder**\ (\ ) |const| :ref:`🔗<class_CubemapArray_method_create_placeholder>`
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建立該資源的預留位置版本（\ :ref:`PlaceholderCubemapArray<class_PlaceholderCubemapArray>`\ ）。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要使用者覆寫才能生效。)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (本方法沒有副作用。不會修改該實例的任何成員變數。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了這裡描述的參數外，還可以接受任意數量的參數。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用於建構一個型別。)`
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.. |static| replace:: :abbr:`static (本方法無需實例即可呼叫，因此可以直接使用類別名稱呼叫。)`
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.. |operator| replace:: :abbr:`operator (本方法描述將本型別作為左運算元時可用的有效運算子。)`
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.. |bitfield| replace:: :abbr:`BitField (此值是由下列旗標組成的位元遮罩整數。)`
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.. |void| replace:: :abbr:`void (無回傳值。)`
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