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222 lines
9.6 KiB
ReStructuredText
222 lines
9.6 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/ImmediateMesh.xml.
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.. _class_ImmediateMesh:
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ImmediateMesh
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=============
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**继承：** :ref:`Mesh<class_Mesh>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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为手动创建几何体，而优化的网格。
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.. rst-class:: classref-introduction-group
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描述
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----
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针对手动创建几何体优化的网格类型，与 OpenGL 1.x 的立即模式类似。
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以下是生成三角形面的示例：
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.. tabs::
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.. code-tab:: gdscript
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var mesh = ImmediateMesh.new()
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mesh.surface_begin(Mesh.PRIMITIVE_TRIANGLES)
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mesh.surface_add_vertex(Vector3.LEFT)
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mesh.surface_add_vertex(Vector3.FORWARD)
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mesh.surface_add_vertex(Vector3.ZERO)
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mesh.surface_end()
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.. code-tab:: csharp
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var mesh = new ImmediateMesh();
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mesh.SurfaceBegin(Mesh.PrimitiveType.Triangles);
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mesh.SurfaceAddVertex(Vector3.Left);
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mesh.SurfaceAddVertex(Vector3.Forward);
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mesh.SurfaceAddVertex(Vector3.Zero);
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mesh.SurfaceEnd();
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\ **注意：**\ 使用 **ImmediateMesh** 生成复杂的几何体极其低效。这种网格的设计目的是用来生成经常变化的简单几何体。
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.. rst-class:: classref-introduction-group
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教程
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----
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- :doc:`使用 ImmediateMesh <../tutorials/3d/procedural_geometry/immediatemesh>`
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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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| |void| | :ref:`clear_surfaces<class_ImmediateMesh_method_clear_surfaces>`\ (\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_add_vertex<class_ImmediateMesh_method_surface_add_vertex>`\ (\ vertex\: :ref:`Vector3<class_Vector3>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_add_vertex_2d<class_ImmediateMesh_method_surface_add_vertex_2d>`\ (\ vertex\: :ref:`Vector2<class_Vector2>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_begin<class_ImmediateMesh_method_surface_begin>`\ (\ primitive\: :ref:`PrimitiveType<enum_Mesh_PrimitiveType>`, material\: :ref:`Material<class_Material>` = null\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_end<class_ImmediateMesh_method_surface_end>`\ (\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_set_color<class_ImmediateMesh_method_surface_set_color>`\ (\ color\: :ref:`Color<class_Color>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_set_normal<class_ImmediateMesh_method_surface_set_normal>`\ (\ normal\: :ref:`Vector3<class_Vector3>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_set_tangent<class_ImmediateMesh_method_surface_set_tangent>`\ (\ tangent\: :ref:`Plane<class_Plane>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_set_uv<class_ImmediateMesh_method_surface_set_uv>`\ (\ uv\: :ref:`Vector2<class_Vector2>`\ ) |
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+--------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`surface_set_uv2<class_ImmediateMesh_method_surface_set_uv2>`\ (\ uv2\: :ref:`Vector2<class_Vector2>`\ ) |
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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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方法说明
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--------
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.. _class_ImmediateMesh_method_clear_surfaces:
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.. rst-class:: classref-method
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|void| **clear_surfaces**\ (\ ) :ref:`🔗<class_ImmediateMesh_method_clear_surfaces>`
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清除所有表面。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_add_vertex:
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.. rst-class:: classref-method
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|void| **surface_add_vertex**\ (\ vertex\: :ref:`Vector3<class_Vector3>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_add_vertex>`
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使用先前设置的当前属性，添加一个 3D 顶点。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_add_vertex_2d:
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.. rst-class:: classref-method
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|void| **surface_add_vertex_2d**\ (\ vertex\: :ref:`Vector2<class_Vector2>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_add_vertex_2d>`
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使用先前设置的当前属性，添加一个 2D 顶点。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_begin:
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.. rst-class:: classref-method
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|void| **surface_begin**\ (\ primitive\: :ref:`PrimitiveType<enum_Mesh_PrimitiveType>`, material\: :ref:`Material<class_Material>` = null\ ) :ref:`🔗<class_ImmediateMesh_method_surface_begin>`
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开始一个新的表面。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_end:
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.. rst-class:: classref-method
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|void| **surface_end**\ (\ ) :ref:`🔗<class_ImmediateMesh_method_surface_end>`
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结束并提交当前表面。请注意，在该函数被调用之前，创建的表面将不可见。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_set_color:
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.. rst-class:: classref-method
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|void| **surface_set_color**\ (\ color\: :ref:`Color<class_Color>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_set_color>`
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设置将与下一个顶点一起推送的颜色属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_set_normal:
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.. rst-class:: classref-method
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|void| **surface_set_normal**\ (\ normal\: :ref:`Vector3<class_Vector3>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_set_normal>`
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设置将与下一个顶点一起推送的法线属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_set_tangent:
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.. rst-class:: classref-method
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|void| **surface_set_tangent**\ (\ tangent\: :ref:`Plane<class_Plane>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_set_tangent>`
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设置将与下一个顶点一起推送的切线属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_set_uv:
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.. rst-class:: classref-method
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|void| **surface_set_uv**\ (\ uv\: :ref:`Vector2<class_Vector2>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_set_uv>`
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设置将与下一个顶点一起推送的 UV 属性。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImmediateMesh_method_surface_set_uv2:
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.. rst-class:: classref-method
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|void| **surface_set_uv2**\ (\ uv2\: :ref:`Vector2<class_Vector2>`\ ) :ref:`🔗<class_ImmediateMesh_method_surface_set_uv2>`
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设置将与下一个顶点一起推送的 UV2 属性。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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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 (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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