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87 lines
4.1 KiB
ReStructuredText
87 lines
4.1 KiB
ReStructuredText
:github_url: hide
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.. _class_GPUParticlesAttractorVectorField3D:
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GPUParticlesAttractorVectorField3D
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==================================
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**繼承：** :ref:`GPUParticlesAttractor3D<class_GPUParticlesAttractor3D>` **<** :ref:`VisualInstance3D<class_VisualInstance3D>` **<** :ref:`Node3D<class_Node3D>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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盒狀 3D 粒子吸引器，內部存在強度變化，會影響 :ref:`GPUParticles3D<class_GPUParticles3D>` 節點。
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.. rst-class:: classref-introduction-group
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說明
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----
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盒狀 3D 粒子吸引器，內部存在強度變化，會影響 :ref:`GPUParticles3D<class_GPUParticles3D>` 節點。
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與 :ref:`GPUParticlesAttractorBox3D<class_GPUParticlesAttractorBox3D>` 不同，\ **GPUParticlesAttractorVectorField3D** 使用 :ref:`texture<class_GPUParticlesAttractorVectorField3D_property_texture>` 來影響盒子內的吸引力強度。可用於建立複雜的吸引場景，其中粒子根據其位置向不同方向移動。這對於沙塵暴等天氣影響很有用。
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\ **注意：**\ 粒子吸引器只會影響 :ref:`GPUParticles3D<class_GPUParticles3D>`\ ，不影響 :ref:`CPUParticles3D<class_CPUParticles3D>`\ 。
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.. rst-class:: classref-reftable-group
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屬性
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----
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.. table::
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:widths: auto
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+-----------------------------------+---------------------------------------------------------------------------+----------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`size<class_GPUParticlesAttractorVectorField3D_property_size>` | ``Vector3(2, 2, 2)`` |
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+-----------------------------------+---------------------------------------------------------------------------+----------------------+
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| :ref:`Texture3D<class_Texture3D>` | :ref:`texture<class_GPUParticlesAttractorVectorField3D_property_texture>` | |
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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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屬性說明
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--------
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.. _class_GPUParticlesAttractorVectorField3D_property_size:
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.. rst-class:: classref-property
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:ref:`Vector3<class_Vector3>` **size** = ``Vector3(2, 2, 2)`` :ref:`🔗<class_GPUParticlesAttractorVectorField3D_property_size>`
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.. rst-class:: classref-property-setget
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- |void| **set_size**\ (\ value\: :ref:`Vector3<class_Vector3>`\ )
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- :ref:`Vector3<class_Vector3>` **get_size**\ (\ )
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向量場盒子的尺寸，使用 3D 單位。
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.. rst-class:: classref-item-separator
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----
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.. _class_GPUParticlesAttractorVectorField3D_property_texture:
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.. rst-class:: classref-property
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:ref:`Texture3D<class_Texture3D>` **texture** :ref:`🔗<class_GPUParticlesAttractorVectorField3D_property_texture>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture**\ (\ value\: :ref:`Texture3D<class_Texture3D>`\ )
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- :ref:`Texture3D<class_Texture3D>` **get_texture**\ (\ )
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要使用的 3D 紋理。會在紋理圖元之間進行線性插值。
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\ **注意：**\ 為了獲得更好的性能，3D 紋理的解析度應該反映該吸引器的 :ref:`size<class_GPUParticlesAttractorVectorField3D_property_size>`\ 。由於粒子吸引力通常是低頻資料，因此可以將紋理保持在較低解析度，例如 64×64×64。
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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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