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181 lines
8.4 KiB
ReStructuredText
181 lines
8.4 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/CollisionPolygon2D.xml.
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.. _class_CollisionPolygon2D:
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CollisionPolygon2D
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==================
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**继承：** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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向 :ref:`CollisionObject2D<class_CollisionObject2D>` 父级提供多边形形状的节点。
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.. rst-class:: classref-introduction-group
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描述
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----
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一个节点，为 :ref:`CollisionObject2D<class_CollisionObject2D>` 父级提供多边形形状并允许对其进行编辑。该多边形可以是凹的或凸的。这可以为 :ref:`Area2D<class_Area2D>` 提供检测形状，将 :ref:`PhysicsBody2D<class_PhysicsBody2D>` 变成实体对象，或为 :ref:`StaticBody2D<class_StaticBody2D>` 提供空心形状。
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\ **警告：**\ 非均匀缩放的 :ref:`CollisionShape2D<class_CollisionShape2D>` 可能不会按预期运行。请确保在所有轴上保持其缩放相同，可改为调整其形状资源。
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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:`BuildMode<enum_CollisionPolygon2D_BuildMode>` | :ref:`build_mode<class_CollisionPolygon2D_property_build_mode>` | ``0`` |
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+-----------------------------------------------------+---------------------------------------------------------------------------------------------+--------------------------+
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| :ref:`bool<class_bool>` | :ref:`disabled<class_CollisionPolygon2D_property_disabled>` | ``false`` |
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+-----------------------------------------------------+---------------------------------------------------------------------------------------------+--------------------------+
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| :ref:`bool<class_bool>` | :ref:`one_way_collision<class_CollisionPolygon2D_property_one_way_collision>` | ``false`` |
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+-----------------------------------------------------+---------------------------------------------------------------------------------------------+--------------------------+
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| :ref:`float<class_float>` | :ref:`one_way_collision_margin<class_CollisionPolygon2D_property_one_way_collision_margin>` | ``1.0`` |
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+-----------------------------------------------------+---------------------------------------------------------------------------------------------+--------------------------+
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| :ref:`PackedVector2Array<class_PackedVector2Array>` | :ref:`polygon<class_CollisionPolygon2D_property_polygon>` | ``PackedVector2Array()`` |
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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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枚举
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----
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.. _enum_CollisionPolygon2D_BuildMode:
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.. rst-class:: classref-enumeration
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enum **BuildMode**: :ref:`🔗<enum_CollisionPolygon2D_BuildMode>`
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.. _class_CollisionPolygon2D_constant_BUILD_SOLIDS:
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.. rst-class:: classref-enumeration-constant
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:ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>` **BUILD_SOLIDS** = ``0``
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碰撞包含多边形及其内部区域。在这个模式下，该节点的效果与使用若干 :ref:`ConvexPolygonShape2D<class_ConvexPolygonShape2D>` 节点相同，其中的每个节点都包含该多边形凸分解后的凸形状（但不会有使用多个节点的负担）。
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.. _class_CollisionPolygon2D_constant_BUILD_SEGMENTS:
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.. rst-class:: classref-enumeration-constant
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:ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>` **BUILD_SEGMENTS** = ``1``
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碰撞经包含多边形的边缘。在这个模式下，该节点的效果与单个由若干线段组成的 :ref:`ConcavePolygonShape2D<class_ConcavePolygonShape2D>` 相同，其中（第一条以后的）每条线段都从上一条的终点开始，最后一条线段在第一条的起点结束（构成闭合但中空的多边形）。
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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_CollisionPolygon2D_property_build_mode:
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.. rst-class:: classref-property
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:ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>` **build_mode** = ``0`` :ref:`🔗<class_CollisionPolygon2D_property_build_mode>`
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.. rst-class:: classref-property-setget
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- |void| **set_build_mode**\ (\ value\: :ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>`\ )
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- :ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>` **get_build_mode**\ (\ )
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碰撞构建模式。使用 :ref:`BuildMode<enum_CollisionPolygon2D_BuildMode>` 常量之一。
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.. rst-class:: classref-item-separator
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----
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.. _class_CollisionPolygon2D_property_disabled:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **disabled** = ``false`` :ref:`🔗<class_CollisionPolygon2D_property_disabled>`
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.. rst-class:: classref-property-setget
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- |void| **set_disabled**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_disabled**\ (\ )
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如果为 ``true``\ ，则不会检测到碰撞。
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.. rst-class:: classref-item-separator
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----
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.. _class_CollisionPolygon2D_property_one_way_collision:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **one_way_collision** = ``false`` :ref:`🔗<class_CollisionPolygon2D_property_one_way_collision>`
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.. rst-class:: classref-property-setget
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- |void| **set_one_way_collision**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_one_way_collision_enabled**\ (\ )
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如果为 ``true``\ ，则只有面朝上的边缘才会与其他对象发生碰撞，方向是相对于 **CollisionPolygon2D** 的旋转而言的。
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\ **注意：**\ 如果这个 **CollisionPolygon2D** 是 :ref:`Area2D<class_Area2D>` 节点的子节点，则这个属性无效。
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.. rst-class:: classref-item-separator
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----
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.. _class_CollisionPolygon2D_property_one_way_collision_margin:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **one_way_collision_margin** = ``1.0`` :ref:`🔗<class_CollisionPolygon2D_property_one_way_collision_margin>`
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.. rst-class:: classref-property-setget
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- |void| **set_one_way_collision_margin**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_one_way_collision_margin**\ (\ )
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用于单向碰撞的边距（以像素为单位）。较高的值将使形状更厚，并且对于以高速进入多边形的对撞机来说效果更好。
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.. rst-class:: classref-item-separator
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----
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.. _class_CollisionPolygon2D_property_polygon:
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.. rst-class:: classref-property
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:ref:`PackedVector2Array<class_PackedVector2Array>` **polygon** = ``PackedVector2Array()`` :ref:`🔗<class_CollisionPolygon2D_property_polygon>`
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.. rst-class:: classref-property-setget
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- |void| **set_polygon**\ (\ value\: :ref:`PackedVector2Array<class_PackedVector2Array>`\ )
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- :ref:`PackedVector2Array<class_PackedVector2Array>` **get_polygon**\ (\ )
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多边形的顶点列表。每个点都与下一个点相连，最后一个点与第一个点相连。
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\ **注意：**\ 返回的顶点位于给定的 **CollisionPolygon2D** 的局部坐标空间中。
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**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedVector2Array<class_PackedVector2Array>` for more details.
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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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