godot-docs/classes/class_animationrootnode.rst

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.. _class_AnimationRootNode:

AnimationRootNode
=================

**Inherits:** :ref:`AnimationNode<class_AnimationNode>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

**Inherited By:** :ref:`AnimationNodeAnimation<class_AnimationNodeAnimation>`, :ref:`AnimationNodeBlendSpace1D<class_AnimationNodeBlendSpace1D>`, :ref:`AnimationNodeBlendSpace2D<class_AnimationNodeBlendSpace2D>`, :ref:`AnimationNodeBlendTree<class_AnimationNodeBlendTree>`, :ref:`AnimationNodeStateMachine<class_AnimationNodeStateMachine>`

Base class for :ref:`AnimationNode<class_AnimationNode>`\ s that hold one or multiple composite animations. Usually used for :ref:`AnimationTree.tree_root<class_AnimationTree_property_tree_root>`.

.. rst-class:: classref-introduction-group

Description
-----------

**AnimationRootNode** is a base class for :ref:`AnimationNode<class_AnimationNode>`\ s that hold a complete animation. A complete animation refers to the output of an :ref:`AnimationNodeOutput<class_AnimationNodeOutput>` in an :ref:`AnimationNodeBlendTree<class_AnimationNodeBlendTree>` or the output of another **AnimationRootNode**. Used for :ref:`AnimationTree.tree_root<class_AnimationTree_property_tree_root>` or in other **AnimationRootNode**\ s.

Examples of built-in root nodes include :ref:`AnimationNodeBlendTree<class_AnimationNodeBlendTree>` (allows blending nodes between each other using various modes), :ref:`AnimationNodeStateMachine<class_AnimationNodeStateMachine>` (allows to configure blending and transitions between nodes using a state machine pattern), :ref:`AnimationNodeBlendSpace2D<class_AnimationNodeBlendSpace2D>` (allows linear blending between **three** :ref:`AnimationNode<class_AnimationNode>`\ s), :ref:`AnimationNodeBlendSpace1D<class_AnimationNodeBlendSpace1D>` (allows linear blending only between **two** :ref:`AnimationNode<class_AnimationNode>`\ s).

.. rst-class:: classref-introduction-group

Tutorials
---------

- :doc:`Using AnimationTree <../tutorials/animation/animation_tree>`

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
.. |void| replace:: :abbr:`void (No return value.)`