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2ba6d25aa9
This reverts commit 57781dc0bc.
The rename, although in line with what we did in the engine, caused problems with RTD we need to fix (or push for a fix) first.
152 lines
5.9 KiB
ReStructuredText
152 lines
5.9 KiB
ReStructuredText
:github_url: hide
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.. _class_Joint2D:
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Joint2D
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=======
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**繼承：** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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**被繼承：** :ref:`DampedSpringJoint2D<class_DampedSpringJoint2D>`, :ref:`GrooveJoint2D<class_GrooveJoint2D>`, :ref:`PinJoint2D<class_PinJoint2D>`
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所有 2D 物理關節的抽象基底類別。
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.. rst-class:: classref-introduction-group
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說明
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----
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Abstract base class for all joints in 2D physics. 2D joints bind together two physics bodies (:ref:`node_a<class_Joint2D_property_node_a>` and :ref:`node_b<class_Joint2D_property_node_b>`) and apply a constraint.
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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:`float<class_float>` | :ref:`bias<class_Joint2D_property_bias>` | ``0.0`` |
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+---------------------------------+--------------------------------------------------------------------+------------------+
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| :ref:`bool<class_bool>` | :ref:`disable_collision<class_Joint2D_property_disable_collision>` | ``true`` |
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+---------------------------------+--------------------------------------------------------------------+------------------+
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| :ref:`NodePath<class_NodePath>` | :ref:`node_a<class_Joint2D_property_node_a>` | ``NodePath("")`` |
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+---------------------------------+--------------------------------------------------------------------+------------------+
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| :ref:`NodePath<class_NodePath>` | :ref:`node_b<class_Joint2D_property_node_b>` | ``NodePath("")`` |
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+---------------------------------+--------------------------------------------------------------------+------------------+
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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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| :ref:`RID<class_RID>` | :ref:`get_rid<class_Joint2D_method_get_rid>`\ (\ ) |const| |
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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_Joint2D_property_bias:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **bias** = ``0.0`` :ref:`🔗<class_Joint2D_property_bias>`
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.. rst-class:: classref-property-setget
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- |void| **set_bias**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_bias**\ (\ )
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When :ref:`node_a<class_Joint2D_property_node_a>` and :ref:`node_b<class_Joint2D_property_node_b>` move in different directions the :ref:`bias<class_Joint2D_property_bias>` controls how fast the joint pulls them back to their original position. The lower the :ref:`bias<class_Joint2D_property_bias>` the more the two bodies can pull on the joint.
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When set to ``0``, the default value from :ref:`ProjectSettings.physics/2d/solver/default_constraint_bias<class_ProjectSettings_property_physics/2d/solver/default_constraint_bias>` is used.
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.. rst-class:: classref-item-separator
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----
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.. _class_Joint2D_property_disable_collision:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **disable_collision** = ``true`` :ref:`🔗<class_Joint2D_property_disable_collision>`
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.. rst-class:: classref-property-setget
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- |void| **set_exclude_nodes_from_collision**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **get_exclude_nodes_from_collision**\ (\ )
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If ``true``, the two bodies bound together do not collide with each other.
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.. rst-class:: classref-item-separator
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----
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.. _class_Joint2D_property_node_a:
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.. rst-class:: classref-property
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:ref:`NodePath<class_NodePath>` **node_a** = ``NodePath("")`` :ref:`🔗<class_Joint2D_property_node_a>`
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.. rst-class:: classref-property-setget
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- |void| **set_node_a**\ (\ value\: :ref:`NodePath<class_NodePath>`\ )
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- :ref:`NodePath<class_NodePath>` **get_node_a**\ (\ )
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Path to the first body (A) attached to the joint. The node must inherit :ref:`PhysicsBody2D<class_PhysicsBody2D>`.
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.. rst-class:: classref-item-separator
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----
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.. _class_Joint2D_property_node_b:
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.. rst-class:: classref-property
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:ref:`NodePath<class_NodePath>` **node_b** = ``NodePath("")`` :ref:`🔗<class_Joint2D_property_node_b>`
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.. rst-class:: classref-property-setget
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- |void| **set_node_b**\ (\ value\: :ref:`NodePath<class_NodePath>`\ )
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- :ref:`NodePath<class_NodePath>` **get_node_b**\ (\ )
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Path to the second body (B) attached to the joint. The node must inherit :ref:`PhysicsBody2D<class_PhysicsBody2D>`.
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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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方法說明
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--------
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.. _class_Joint2D_method_get_rid:
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.. rst-class:: classref-method
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:ref:`RID<class_RID>` **get_rid**\ (\ ) |const| :ref:`🔗<class_Joint2D_method_get_rid>`
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Returns the joint's internal :ref:`RID<class_RID>` from the :ref:`PhysicsServer2D<class_PhysicsServer2D>`.
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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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