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119 lines
4.8 KiB
ReStructuredText
119 lines
4.8 KiB
ReStructuredText
:github_url: hide
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.. _class_DampedSpringJoint2D:
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DampedSpringJoint2D
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===================
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**繼承：** :ref:`Joint2D<class_Joint2D>` **<** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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通過類似彈簧的力連接兩個 2D 物理物體的物理關節。
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.. rst-class:: classref-introduction-group
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說明
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----
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A physics joint that connects two 2D physics bodies with a spring-like force. This behaves like a spring that always wants to stretch to a given length.
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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:`damping<class_DampedSpringJoint2D_property_damping>` | ``1.0`` |
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+---------------------------+--------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`length<class_DampedSpringJoint2D_property_length>` | ``50.0`` |
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+---------------------------+--------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`rest_length<class_DampedSpringJoint2D_property_rest_length>` | ``0.0`` |
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+---------------------------+--------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`stiffness<class_DampedSpringJoint2D_property_stiffness>` | ``20.0`` |
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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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屬性說明
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--------
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.. _class_DampedSpringJoint2D_property_damping:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **damping** = ``1.0`` :ref:`🔗<class_DampedSpringJoint2D_property_damping>`
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.. rst-class:: classref-property-setget
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- |void| **set_damping**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_damping**\ (\ )
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The spring joint's damping ratio. A value between ``0`` and ``1``. When the two bodies move into different directions the system tries to align them to the spring axis again. A high :ref:`damping<class_DampedSpringJoint2D_property_damping>` value forces the attached bodies to align faster.
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.. rst-class:: classref-item-separator
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----
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.. _class_DampedSpringJoint2D_property_length:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **length** = ``50.0`` :ref:`🔗<class_DampedSpringJoint2D_property_length>`
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.. rst-class:: classref-property-setget
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- |void| **set_length**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_length**\ (\ )
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彈簧關節的最大長度。兩個連接體不能超過這個值。
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.. rst-class:: classref-item-separator
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----
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.. _class_DampedSpringJoint2D_property_rest_length:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **rest_length** = ``0.0`` :ref:`🔗<class_DampedSpringJoint2D_property_rest_length>`
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.. rst-class:: classref-property-setget
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- |void| **set_rest_length**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_rest_length**\ (\ )
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當連接到彈簧關節的機構移動時，它們會拉伸或擠壓它。關節總是嘗試向這個長度調整。
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.. rst-class:: classref-item-separator
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----
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.. _class_DampedSpringJoint2D_property_stiffness:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **stiffness** = ``20.0`` :ref:`🔗<class_DampedSpringJoint2D_property_stiffness>`
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.. rst-class:: classref-property-setget
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- |void| **set_stiffness**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_stiffness**\ (\ )
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該值越大，連接在關節上的機構變形越小。關節對各機構施加一個相反的力，即剛度乘以與其靜止長度的大小差的乘積。
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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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