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129 lines
4.7 KiB
ReStructuredText
129 lines
4.7 KiB
ReStructuredText
:github_url: hide
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.. meta::
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:keywords: omni, spot
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.. _class_PointLight2D:
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PointLight2D
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============
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**继承：** :ref:`Light2D<class_Light2D>` **<** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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位置性 2D 光源。
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.. rst-class:: classref-introduction-group
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描述
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----
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在 2D 环境中投射光线。此灯的形状由（通常为灰度）纹理定义。
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.. rst-class:: classref-introduction-group
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教程
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----
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- :doc:`2D 灯光和阴影 <../tutorials/2d/2d_lights_and_shadows>`
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.. rst-class:: classref-reftable-group
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属性
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----
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.. table::
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:widths: auto
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+-----------------------------------+-----------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`height<class_PointLight2D_property_height>` | ``0.0`` |
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+-----------------------------------+-----------------------------------------------------------------+-------------------+
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| :ref:`Vector2<class_Vector2>` | :ref:`offset<class_PointLight2D_property_offset>` | ``Vector2(0, 0)`` |
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+-----------------------------------+-----------------------------------------------------------------+-------------------+
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| :ref:`Texture2D<class_Texture2D>` | :ref:`texture<class_PointLight2D_property_texture>` | |
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+-----------------------------------+-----------------------------------------------------------------+-------------------+
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| :ref:`float<class_float>` | :ref:`texture_scale<class_PointLight2D_property_texture_scale>` | ``1.0`` |
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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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属性说明
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--------
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.. _class_PointLight2D_property_height:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **height** = ``0.0`` :ref:`🔗<class_PointLight2D_property_height>`
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.. rst-class:: classref-property-setget
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- |void| **set_height**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_height**\ (\ )
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灯光的高度。与 2D 法线贴图一起使用。单位为像素，例如：如果高度为 100，那么它能够照亮 100 像素远且与该平面成 45° 角的对象。
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.. rst-class:: classref-item-separator
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----
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.. _class_PointLight2D_property_offset:
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.. rst-class:: classref-property
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:ref:`Vector2<class_Vector2>` **offset** = ``Vector2(0, 0)`` :ref:`🔗<class_PointLight2D_property_offset>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture_offset**\ (\ value\: :ref:`Vector2<class_Vector2>`\ )
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- :ref:`Vector2<class_Vector2>` **get_texture_offset**\ (\ )
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灯光的 :ref:`texture<class_PointLight2D_property_texture>` 的偏移量。
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.. rst-class:: classref-item-separator
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----
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.. _class_PointLight2D_property_texture:
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.. rst-class:: classref-property
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:ref:`Texture2D<class_Texture2D>` **texture** :ref:`🔗<class_PointLight2D_property_texture>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture**\ (\ value\: :ref:`Texture2D<class_Texture2D>`\ )
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- :ref:`Texture2D<class_Texture2D>` **get_texture**\ (\ )
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用于该灯光外观的 :ref:`Texture2D<class_Texture2D>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_PointLight2D_property_texture_scale:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **texture_scale** = ``1.0`` :ref:`🔗<class_PointLight2D_property_texture_scale>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture_scale**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_texture_scale**\ (\ )
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:ref:`texture<class_PointLight2D_property_texture>` 的缩放系数。
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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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