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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/SkeletonModification2DLookAt.xml.

.. _class_SkeletonModification2DLookAt:

SkeletonModification2DLookAt
============================

**Inherits:** :ref:`SkeletonModification2D<class_SkeletonModification2D>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

A modification that rotates a :ref:`Bone2D<class_Bone2D>` node to look at a target.

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

This :ref:`SkeletonModification2D<class_SkeletonModification2D>` rotates a bone to look a target. This is extremely helpful for moving character's head to look at the player, rotating a turret to look at a target, or any other case where you want to make a bone rotate towards something quickly and easily.

Properties
----------

+---------------------------------+-------------------------------------------------------------------------------------+------------------+
| :ref:`NodePath<class_NodePath>` | :ref:`bone2d_node<class_SkeletonModification2DLookAt_property_bone2d_node>`         | ``NodePath("")`` |
+---------------------------------+-------------------------------------------------------------------------------------+------------------+
| :ref:`int<class_int>`           | :ref:`bone_index<class_SkeletonModification2DLookAt_property_bone_index>`           | ``-1``           |
+---------------------------------+-------------------------------------------------------------------------------------+------------------+
| :ref:`NodePath<class_NodePath>` | :ref:`target_nodepath<class_SkeletonModification2DLookAt_property_target_nodepath>` | ``NodePath("")`` |
+---------------------------------+-------------------------------------------------------------------------------------+------------------+

Methods
-------

+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_additional_rotation<class_SkeletonModification2DLookAt_method_get_additional_rotation>` **(** **)** |const|                                |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>`   | :ref:`get_constraint_angle_invert<class_SkeletonModification2DLookAt_method_get_constraint_angle_invert>` **(** **)** |const|                        |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_constraint_angle_max<class_SkeletonModification2DLookAt_method_get_constraint_angle_max>` **(** **)** |const|                              |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_constraint_angle_min<class_SkeletonModification2DLookAt_method_get_constraint_angle_min>` **(** **)** |const|                              |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>`   | :ref:`get_enable_constraint<class_SkeletonModification2DLookAt_method_get_enable_constraint>` **(** **)** |const|                                    |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                      | :ref:`set_additional_rotation<class_SkeletonModification2DLookAt_method_set_additional_rotation>` **(** :ref:`float<class_float>` rotation **)**     |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                      | :ref:`set_constraint_angle_invert<class_SkeletonModification2DLookAt_method_set_constraint_angle_invert>` **(** :ref:`bool<class_bool>` invert **)** |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                      | :ref:`set_constraint_angle_max<class_SkeletonModification2DLookAt_method_set_constraint_angle_max>` **(** :ref:`float<class_float>` angle_max **)**  |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                      | :ref:`set_constraint_angle_min<class_SkeletonModification2DLookAt_method_set_constraint_angle_min>` **(** :ref:`float<class_float>` angle_min **)**  |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| void                      | :ref:`set_enable_constraint<class_SkeletonModification2DLookAt_method_set_enable_constraint>` **(** :ref:`bool<class_bool>` enable_constraint **)**  |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------+

Property Descriptions
---------------------

.. _class_SkeletonModification2DLookAt_property_bone2d_node:

- :ref:`NodePath<class_NodePath>` **bone2d_node**

+-----------+------------------------+
| *Default* | ``NodePath("")``       |
+-----------+------------------------+
| *Setter*  | set_bone2d_node(value) |
+-----------+------------------------+
| *Getter*  | get_bone2d_node()      |
+-----------+------------------------+

The :ref:`Bone2D<class_Bone2D>` node that the modification will operate on.

----

.. _class_SkeletonModification2DLookAt_property_bone_index:

- :ref:`int<class_int>` **bone_index**

+-----------+-----------------------+
| *Default* | ``-1``                |
+-----------+-----------------------+
| *Setter*  | set_bone_index(value) |
+-----------+-----------------------+
| *Getter*  | get_bone_index()      |
+-----------+-----------------------+

The index of the :ref:`Bone2D<class_Bone2D>` node that the modification will oeprate on.

----

.. _class_SkeletonModification2DLookAt_property_target_nodepath:

- :ref:`NodePath<class_NodePath>` **target_nodepath**

+-----------+------------------------+
| *Default* | ``NodePath("")``       |
+-----------+------------------------+
| *Setter*  | set_target_node(value) |
+-----------+------------------------+
| *Getter*  | get_target_node()      |
+-----------+------------------------+

The NodePath to the node that is the target for the LookAt modification. This node is what the modification will rotate the :ref:`Bone2D<class_Bone2D>` to.

Method Descriptions
-------------------

.. _class_SkeletonModification2DLookAt_method_get_additional_rotation:

- :ref:`float<class_float>` **get_additional_rotation** **(** **)** |const|

Returns the amount of additional rotation that is applied after the LookAt modification executes.

----

.. _class_SkeletonModification2DLookAt_method_get_constraint_angle_invert:

- :ref:`bool<class_bool>` **get_constraint_angle_invert** **(** **)** |const|

Returns whether the constraints to this modification are inverted or not.

----

.. _class_SkeletonModification2DLookAt_method_get_constraint_angle_max:

- :ref:`float<class_float>` **get_constraint_angle_max** **(** **)** |const|

Returns the constraint's maximum allowed angle.

----

.. _class_SkeletonModification2DLookAt_method_get_constraint_angle_min:

- :ref:`float<class_float>` **get_constraint_angle_min** **(** **)** |const|

Returns the constraint's minimum allowed angle.

----

.. _class_SkeletonModification2DLookAt_method_get_enable_constraint:

- :ref:`bool<class_bool>` **get_enable_constraint** **(** **)** |const|

Returns ``true`` if the LookAt modification is using constraints.

----

.. _class_SkeletonModification2DLookAt_method_set_additional_rotation:

- void **set_additional_rotation** **(** :ref:`float<class_float>` rotation **)**

Sets the amount of additional rotation that is to be applied after executing the modification. This allows for offsetting the results by the inputted rotation amount.

----

.. _class_SkeletonModification2DLookAt_method_set_constraint_angle_invert:

- void **set_constraint_angle_invert** **(** :ref:`bool<class_bool>` invert **)**

When ``true``, the modification will use an inverted joint constraint.

An inverted joint constraint only constraints the :ref:`Bone2D<class_Bone2D>` to the angles *outside of* the inputted minimum and maximum angles. For this reason, it is referred to as an inverted joint constraint, as it constraints the joint to the outside of the inputted values.

----

.. _class_SkeletonModification2DLookAt_method_set_constraint_angle_max:

- void **set_constraint_angle_max** **(** :ref:`float<class_float>` angle_max **)**

Sets the constraint's maximum allowed angle.

----

.. _class_SkeletonModification2DLookAt_method_set_constraint_angle_min:

- void **set_constraint_angle_min** **(** :ref:`float<class_float>` angle_min **)**

Sets the constraint's minimum allowed angle.

----

.. _class_SkeletonModification2DLookAt_method_set_enable_constraint:

- void **set_enable_constraint** **(** :ref:`bool<class_bool>` enable_constraint **)**

Sets whether this modification will use constraints or not. When ``true``, constraints will be applied when solving the LookAt modification.

.. |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.)`