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61 lines
3.4 KiB
ReStructuredText
61 lines
3.4 KiB
ReStructuredText
:github_url: hide
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.. _class_Texture2DArray:
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Texture2DArray
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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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由多個獨立圖像構成的單個紋理資源。每個圖像的尺寸和 mipmap 級別數都相同。
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.. rst-class:: classref-introduction-group
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說明
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----
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A Texture2DArray is different from a Texture3D: The Texture2DArray does not support trilinear interpolation between the :ref:`Image<class_Image>`\ s, i.e. no blending. See also :ref:`Cubemap<class_Cubemap>` and :ref:`CubemapArray<class_CubemapArray>`, which are texture arrays with specialized cubemap functions.
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A Texture2DArray is also different from an :ref:`AtlasTexture<class_AtlasTexture>`: In a Texture2DArray, all images are treated separately. In an atlas, the regions (i.e. the single images) can be of different sizes. Furthermore, you usually need to add a padding around the regions, to prevent accidental UV mapping to more than one region. The same goes for mipmapping: Mipmap chains are handled separately for each layer. In an atlas, the slicing has to be done manually in the fragment shader.
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To create such a texture file yourself, reimport your image files using the Godot Editor import presets. To create a Texture2DArray from code, use :ref:`ImageTextureLayered.create_from_images()<class_ImageTextureLayered_method_create_from_images>` on an instance of the Texture2DArray class.
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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_Texture2DArray_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_Texture2DArray_method_create_placeholder:
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.. rst-class:: classref-method
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:ref:`Resource<class_Resource>` **create_placeholder**\ (\ ) |const| :ref:`🔗<class_Texture2DArray_method_create_placeholder>`
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建立該資源的預留位置版本（\ :ref:`PlaceholderTexture2DArray<class_PlaceholderTexture2DArray>`\ ）。
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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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