<?xml version="1.0" encoding="UTF-8" ?>
<class name="Skeleton2D" inherits="Node2D" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
The parent of a hierarchy of [Bone2D]s, used to create a 2D skeletal animation.
</brief_description>
<description>
[Skeleton2D] parents a hierarchy of [Bone2D] nodes. It holds a reference to each [Bone2D]'s rest pose and acts as a single point of access to its bones.
To set up different types of inverse kinematics for the given Skeleton2D, a [SkeletonModificationStack2D] should be created. The inverse kinematics be applied by increasing [member SkeletonModificationStack2D.modification_count] and creating the desired number of modifications.
</description>
<tutorials>
<link title="2D skeletons">$DOCS_URL/tutorials/animation/2d_skeletons.html</link>
</tutorials>
<methods>
<method name="execute_modifications">
<return type="void" />
<param index="0" name="delta" type="float" />
<param index="1" name="execution_mode" type="int" />
<description>
Executes all the modifications on the [SkeletonModificationStack2D], if the Skeleton2D has one assigned.
</description>
</method>
<method name="get_bone">
<return type="Bone2D" />
<param index="0" name="idx" type="int" />
<description>
Returns a [Bone2D] from the node hierarchy parented by Skeleton2D. The object to return is identified by the parameter [param idx]. Bones are indexed by descending the node hierarchy from top to bottom, adding the children of each branch before moving to the next sibling.
</description>
</method>
<method name="get_bone_count" qualifiers="const">
<return type="int" />
<description>
Returns the number of [Bone2D] nodes in the node hierarchy parented by Skeleton2D.
</description>
</method>
<method name="get_bone_local_pose_override">
<return type="Transform2D" />
<param index="0" name="bone_idx" type="int" />
<description>
Returns the local pose override transform for [param bone_idx].
</description>
</method>
<method name="get_modification_stack" qualifiers="const">
<return type="SkeletonModificationStack2D" />
<description>
Returns the [SkeletonModificationStack2D] attached to this skeleton, if one exists.
</description>
</method>
<method name="get_skeleton" qualifiers="const">
<return type="RID" />
<description>
Returns the [RID] of a Skeleton2D instance.
</description>
</method>
<method name="set_bone_local_pose_override">
<return type="void" />
<param index="0" name="bone_idx" type="int" />
<param index="1" name="override_pose" type="Transform2D" />
<param index="2" name="strength" type="float" />
<param index="3" name="persistent" type="bool" />
<description>
Sets the local pose transform, [param override_pose], for the bone at [param bone_idx].
[param strength] is the interpolation strength that will be used when applying the pose, and [param persistent] determines if the applied pose will remain.
[b]Note:[/b] The pose transform needs to be a local transform relative to the [Bone2D] node at [param bone_idx]!
</description>
</method>
<method name="set_modification_stack">
<return type="void" />
<param index="0" name="modification_stack" type="SkeletonModificationStack2D" />
<description>
Sets the [SkeletonModificationStack2D] attached to this skeleton.
</description>
</method>
</methods>
<signals>
<signal name="bone_setup_changed">
<description>
Emitted when the [Bone2D] setup attached to this skeletons changes. This is primarily used internally within the skeleton.
</description>
</signal>
</signals>
</class>
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