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268 lines
12 KiB
ReStructuredText
268 lines
12 KiB
ReStructuredText
:github_url: hide
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.. _class_AnimationNodeTransition:
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AnimationNodeTransition
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=======================
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**继承：** :ref:`AnimationNodeSync<class_AnimationNodeSync>` **<** :ref:`AnimationNode<class_AnimationNode>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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:ref:`AnimationTree<class_AnimationTree>` 中连接两个 :ref:`AnimationNode<class_AnimationNode>` 的过渡。
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.. rst-class:: classref-introduction-group
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描述
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----
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适用于不需要更高级 :ref:`AnimationNodeStateMachine<class_AnimationNodeStateMachine>` 的情况的简单状态机。可以将动画连接到输入，还可以指定过渡时间。
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设置请求并更改动画播放后，过渡节点会在下一个处理帧中通过将其 ``transition_request`` 值设置为空，来自动清除请求。
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\ **注意：**\ 使用交叉淡入淡出时，\ ``current_state`` 和 ``current_index`` 在交叉淡入淡出开始后立即更改为下一个状态。
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.. tabs::
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.. code-tab:: gdscript
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# 播放连接到 “state_2” 端口的子动画。
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animation_tree.set("parameters/Transition/transition_request", "state_2")
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# 替代语法（与上述结果相同）。
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animation_tree["parameters/Transition/transition_request"] = "state_2"
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# 获取当前状态名称（只读）。
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animation_tree.get("parameters/Transition/current_state")
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# 替代语法（与上述结果相同）。
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animation_tree["parameters/Transition/current_state"]
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# 获取当前状态索引（只读）。
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animation_tree.get("parameters/Transition/current_index"))
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# 替代语法（与上述结果相同）。
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animation_tree["parameters/Transition/current_index"]
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.. code-tab:: csharp
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// 播放连接到 “state_2” 端口的子动画。
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animationTree.Set("parameters/Transition/transition_request", "state_2");
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// 获取当前状态名称（只读）。
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animationTree.Get("parameters/Transition/current_state");
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// 获取当前状态索引（只读）。
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animationTree.Get("parameters/Transition/current_index");
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.. rst-class:: classref-introduction-group
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教程
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----
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- :doc:`使用 AnimationTree <../tutorials/animation/animation_tree>`
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- `3D 平台跳跃演示 <https://godotengine.org/asset-library/asset/2748>`__
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- `第三人称射击（TPS）演示 <https://godotengine.org/asset-library/asset/2710>`__
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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:`bool<class_bool>` | :ref:`allow_transition_to_self<class_AnimationNodeTransition_property_allow_transition_to_self>` | ``false`` |
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+---------------------------+--------------------------------------------------------------------------------------------------+-----------+
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| :ref:`int<class_int>` | :ref:`input_count<class_AnimationNodeTransition_property_input_count>` | ``0`` |
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+---------------------------+--------------------------------------------------------------------------------------------------+-----------+
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| :ref:`Curve<class_Curve>` | :ref:`xfade_curve<class_AnimationNodeTransition_property_xfade_curve>` | |
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+---------------------------+--------------------------------------------------------------------------------------------------+-----------+
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| :ref:`float<class_float>` | :ref:`xfade_time<class_AnimationNodeTransition_property_xfade_time>` | ``0.0`` |
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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:`bool<class_bool>` | :ref:`is_input_loop_broken_at_end<class_AnimationNodeTransition_method_is_input_loop_broken_at_end>`\ (\ input\: :ref:`int<class_int>`\ ) |const| |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`is_input_reset<class_AnimationNodeTransition_method_is_input_reset>`\ (\ input\: :ref:`int<class_int>`\ ) |const| |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`is_input_set_as_auto_advance<class_AnimationNodeTransition_method_is_input_set_as_auto_advance>`\ (\ input\: :ref:`int<class_int>`\ ) |const| |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_input_as_auto_advance<class_AnimationNodeTransition_method_set_input_as_auto_advance>`\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_input_break_loop_at_end<class_AnimationNodeTransition_method_set_input_break_loop_at_end>`\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) |
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+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_input_reset<class_AnimationNodeTransition_method_set_input_reset>`\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) |
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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_AnimationNodeTransition_property_allow_transition_to_self:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **allow_transition_to_self** = ``false`` :ref:`🔗<class_AnimationNodeTransition_property_allow_transition_to_self>`
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.. rst-class:: classref-property-setget
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- |void| **set_allow_transition_to_self**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_allow_transition_to_self**\ (\ )
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如果为 ``true``\ ，允许过渡到当前状态。当在输入中启用重置选项时，动画将重新启动。如果为 ``false``\ ，则在过渡到 当前状态时不会发生任何事情。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_property_input_count:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **input_count** = ``0`` :ref:`🔗<class_AnimationNodeTransition_property_input_count>`
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.. rst-class:: classref-property-setget
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- |void| **set_input_count**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_input_count**\ (\ )
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这个动画节点启用的输入端口的数量。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_property_xfade_curve:
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.. rst-class:: classref-property
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:ref:`Curve<class_Curve>` **xfade_curve** :ref:`🔗<class_AnimationNodeTransition_property_xfade_curve>`
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.. rst-class:: classref-property-setget
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- |void| **set_xfade_curve**\ (\ value\: :ref:`Curve<class_Curve>`\ )
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- :ref:`Curve<class_Curve>` **get_xfade_curve**\ (\ )
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确定如何对动画之间的淡入淡出进行缓动。如果为空，则进行线性过渡。应为单位 :ref:`Curve<class_Curve>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_property_xfade_time:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **xfade_time** = ``0.0`` :ref:`🔗<class_AnimationNodeTransition_property_xfade_time>`
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.. rst-class:: classref-property-setget
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- |void| **set_xfade_time**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_xfade_time**\ (\ )
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输入所连接的动画之间交叉渐变的时间（单位为秒）。
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\ **注意：**\ **AnimationNodeTransition** 是在淡入淡出结束后转换当前状态的。只能根据主动画推断精确的剩余时间。将 :ref:`AnimationNodeOutput<class_AnimationNodeOutput>` 视为最上游时，\ :ref:`xfade_time<class_AnimationNodeTransition_property_xfade_time>` 不会根据下游增量进行缩放。另见 :ref:`AnimationNodeOneShot.fadeout_time<class_AnimationNodeOneShot_property_fadeout_time>`\ 。
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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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方法说明
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--------
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.. _class_AnimationNodeTransition_method_is_input_loop_broken_at_end:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_input_loop_broken_at_end**\ (\ input\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_AnimationNodeTransition_method_is_input_loop_broken_at_end>`
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返回动画是否在过渡循环结束时中断循环。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_method_is_input_reset:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_input_reset**\ (\ input\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_AnimationNodeTransition_method_is_input_reset>`
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返回当动画从另一个动画过渡时，该动画是否重新开始。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_method_is_input_set_as_auto_advance:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_input_set_as_auto_advance**\ (\ input\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_AnimationNodeTransition_method_is_input_set_as_auto_advance>`
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如果为给定的 ``input`` 索引启用了自动前进，则返回 ``true``\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_method_set_input_as_auto_advance:
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.. rst-class:: classref-method
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|void| **set_input_as_auto_advance**\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) :ref:`🔗<class_AnimationNodeTransition_method_set_input_as_auto_advance>`
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为给定的 ``input`` 索引启用或禁用自动前进。如果启用，状态会在播放一次动画后更改为下一个输入。如果为最后一个输入状态启用，它会循环到第一个。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_method_set_input_break_loop_at_end:
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.. rst-class:: classref-method
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|void| **set_input_break_loop_at_end**\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) :ref:`🔗<class_AnimationNodeTransition_method_set_input_break_loop_at_end>`
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如果\ ``true``\ ，则在循环循环结束时中断循环以进行转换，即使动画正在循环。
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.. rst-class:: classref-item-separator
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----
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.. _class_AnimationNodeTransition_method_set_input_reset:
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.. rst-class:: classref-method
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|void| **set_input_reset**\ (\ input\: :ref:`int<class_int>`, enable\: :ref:`bool<class_bool>`\ ) :ref:`🔗<class_AnimationNodeTransition_method_set_input_reset>`
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如果为 ``true``\ ，则目标动画在动画过渡时重新启动。
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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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