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97 lines
4.0 KiB
ReStructuredText
97 lines
4.0 KiB
ReStructuredText
:github_url: hide
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.. meta::
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:keywords: sun
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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/DirectionalLight2D.xml.
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.. _class_DirectionalLight2D:
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DirectionalLight2D
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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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来自远处的 2D 平行光。
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.. rst-class:: classref-introduction-group
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描述
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----
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平行光是一种 :ref:`Light2D<class_Light2D>` 节点，模拟覆盖整个场景的无数平行光线。可用于远离场景的强光（例如：模拟日光或月光）。
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\ **注意：**\ **DirectionalLight2D** 不支持灯光剔除遮罩（但支持阴影剔除遮罩）。它会忽略 2D 节点的 :ref:`CanvasItem.light_mask<class_CanvasItem_property_light_mask>`\ ，始终点亮 2D 节点。
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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_DirectionalLight2D_property_height>` | ``0.0`` |
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+---------------------------+---------------------------------------------------------------------+-------------+
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| :ref:`float<class_float>` | :ref:`max_distance<class_DirectionalLight2D_property_max_distance>` | ``10000.0`` |
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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_DirectionalLight2D_property_height:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **height** = ``0.0`` :ref:`🔗<class_DirectionalLight2D_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。用于 2D 法线贴图。范围从 0（平行于平面）到 1（垂直于平面）。
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.. rst-class:: classref-item-separator
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----
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.. _class_DirectionalLight2D_property_max_distance:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **max_distance** = ``10000.0`` :ref:`🔗<class_DirectionalLight2D_property_max_distance>`
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.. rst-class:: classref-property-setget
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- |void| **set_max_distance**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_max_distance**\ (\ )
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对象在其阴影被剔除前与相机中心的最大距离（单位：像素）。降低这个值可以防止位于相机外部的对象投射阴影（同时还可以提高性能）。\ :ref:`Camera2D.zoom<class_Camera2D_property_zoom>` 不被 :ref:`max_distance<class_DirectionalLight2D_property_max_distance>` 考虑在内，这意味着在较高的缩放值下，当缩放到一个给定的点时，阴影会更快地淡出。
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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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.. |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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