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ReStructuredText
606 lines
26 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/4.0/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/4.0/doc/classes/AABB.xml.
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.. _class_AABB:
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AABB
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====
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A 3D axis-aligned bounding box.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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**AABB** consists of a position, a size, and several utility functions. It is typically used for fast overlap tests.
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It uses floating-point coordinates. The 2D counterpart to **AABB** is :ref:`Rect2<class_Rect2>`.
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Negative values for :ref:`size<class_AABB_property_size>` are not supported and will not work for most methods. Use :ref:`abs<class_AABB_method_abs>` to get an AABB with a positive size.
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\ **Note:** Unlike :ref:`Rect2<class_Rect2>`, **AABB** does not have a variant that uses integer coordinates.
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.. rst-class:: classref-introduction-group
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Tutorials
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---------
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- :doc:`Math documentation index <../tutorials/math/index>`
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- :doc:`Vector math <../tutorials/math/vector_math>`
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- :doc:`Advanced vector math <../tutorials/math/vectors_advanced>`
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.. rst-class:: classref-reftable-group
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Properties
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----------
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.. table::
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:widths: auto
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+-------------------------------+-----------------------------------------------+----------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`end<class_AABB_property_end>` | ``Vector3(0, 0, 0)`` |
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+-------------------------------+-----------------------------------------------+----------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`position<class_AABB_property_position>` | ``Vector3(0, 0, 0)`` |
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+-------------------------------+-----------------------------------------------+----------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`size<class_AABB_property_size>` | ``Vector3(0, 0, 0)`` |
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+-------------------------------+-----------------------------------------------+----------------------+
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.. rst-class:: classref-reftable-group
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Constructors
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------------
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.. table::
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:widths: auto
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+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`AABB<class_AABB_constructor_AABB>` **(** **)** |
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+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`AABB<class_AABB_constructor_AABB>` **(** :ref:`AABB<class_AABB>` from **)** |
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+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`AABB<class_AABB_constructor_AABB>` **(** :ref:`Vector3<class_Vector3>` position, :ref:`Vector3<class_Vector3>` size **)** |
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+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-reftable-group
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Methods
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-------
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.. table::
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:widths: auto
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`abs<class_AABB_method_abs>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`encloses<class_AABB_method_encloses>` **(** :ref:`AABB<class_AABB>` with **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`expand<class_AABB_method_expand>` **(** :ref:`Vector3<class_Vector3>` to_point **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`get_center<class_AABB_method_get_center>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`get_endpoint<class_AABB_method_get_endpoint>` **(** :ref:`int<class_int>` idx **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`get_longest_axis<class_AABB_method_get_longest_axis>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`get_longest_axis_index<class_AABB_method_get_longest_axis_index>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_longest_axis_size<class_AABB_method_get_longest_axis_size>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`get_shortest_axis<class_AABB_method_get_shortest_axis>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`get_shortest_axis_index<class_AABB_method_get_shortest_axis_index>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_shortest_axis_size<class_AABB_method_get_shortest_axis_size>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector3<class_Vector3>` | :ref:`get_support<class_AABB_method_get_support>` **(** :ref:`Vector3<class_Vector3>` dir **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_volume<class_AABB_method_get_volume>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`grow<class_AABB_method_grow>` **(** :ref:`float<class_float>` by **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_point<class_AABB_method_has_point>` **(** :ref:`Vector3<class_Vector3>` point **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_surface<class_AABB_method_has_surface>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_volume<class_AABB_method_has_volume>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`intersection<class_AABB_method_intersection>` **(** :ref:`AABB<class_AABB>` with **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`intersects<class_AABB_method_intersects>` **(** :ref:`AABB<class_AABB>` with **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`intersects_plane<class_AABB_method_intersects_plane>` **(** :ref:`Plane<class_Plane>` plane **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Variant<class_Variant>` | :ref:`intersects_ray<class_AABB_method_intersects_ray>` **(** :ref:`Vector3<class_Vector3>` from, :ref:`Vector3<class_Vector3>` dir **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Variant<class_Variant>` | :ref:`intersects_segment<class_AABB_method_intersects_segment>` **(** :ref:`Vector3<class_Vector3>` from, :ref:`Vector3<class_Vector3>` to **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`is_equal_approx<class_AABB_method_is_equal_approx>` **(** :ref:`AABB<class_AABB>` aabb **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`is_finite<class_AABB_method_is_finite>` **(** **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`merge<class_AABB_method_merge>` **(** :ref:`AABB<class_AABB>` with **)** |const| |
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+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-reftable-group
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Operators
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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:`operator !=<class_AABB_operator_neq_AABB>` **(** :ref:`AABB<class_AABB>` right **)** |
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+-------------------------+----------------------------------------------------------------------------------------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`operator *<class_AABB_operator_mul_Transform3D>` **(** :ref:`Transform3D<class_Transform3D>` right **)** |
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+-------------------------+----------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`operator ==<class_AABB_operator_eq_AABB>` **(** :ref:`AABB<class_AABB>` right **)** |
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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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Property Descriptions
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---------------------
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.. _class_AABB_property_end:
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.. rst-class:: classref-property
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:ref:`Vector3<class_Vector3>` **end** = ``Vector3(0, 0, 0)``
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Ending corner. This is calculated as ``position + size``. Setting this value will change the size.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_property_position:
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.. rst-class:: classref-property
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:ref:`Vector3<class_Vector3>` **position** = ``Vector3(0, 0, 0)``
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Beginning corner. Typically has values lower than :ref:`end<class_AABB_property_end>`.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_property_size:
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.. rst-class:: classref-property
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:ref:`Vector3<class_Vector3>` **size** = ``Vector3(0, 0, 0)``
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Size from :ref:`position<class_AABB_property_position>` to :ref:`end<class_AABB_property_end>`. Typically, all components are positive.
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If the size is negative, you can use :ref:`abs<class_AABB_method_abs>` to fix it.
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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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Constructor Descriptions
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------------------------
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.. _class_AABB_constructor_AABB:
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.. rst-class:: classref-constructor
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:ref:`AABB<class_AABB>` **AABB** **(** **)**
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Constructs a default-initialized **AABB** with default (zero) values of :ref:`position<class_AABB_property_position>` and :ref:`size<class_AABB_property_size>`.
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.. rst-class:: classref-item-separator
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----
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.. rst-class:: classref-constructor
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:ref:`AABB<class_AABB>` **AABB** **(** :ref:`AABB<class_AABB>` from **)**
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Constructs an **AABB** as a copy of the given **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. rst-class:: classref-constructor
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:ref:`AABB<class_AABB>` **AABB** **(** :ref:`Vector3<class_Vector3>` position, :ref:`Vector3<class_Vector3>` size **)**
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Constructs an **AABB** from a position and size.
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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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Method Descriptions
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-------------------
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.. _class_AABB_method_abs:
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.. rst-class:: classref-method
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:ref:`AABB<class_AABB>` **abs** **(** **)** |const|
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Returns an AABB with equivalent position and size, modified so that the most-negative corner is the origin and the size is positive.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_encloses:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **encloses** **(** :ref:`AABB<class_AABB>` with **)** |const|
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Returns ``true`` if this **AABB** completely encloses another one.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_expand:
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.. rst-class:: classref-method
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:ref:`AABB<class_AABB>` **expand** **(** :ref:`Vector3<class_Vector3>` to_point **)** |const|
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Returns a copy of this **AABB** expanded to include a given point.
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\ **Example:**\
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.. tabs::
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.. code-tab:: gdscript
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# position (-3, 2, 0), size (1, 1, 1)
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var box = AABB(Vector3(-3, 2, 0), Vector3(1, 1, 1))
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# position (-3, -1, 0), size (3, 4, 2), so we fit both the original AABB and Vector3(0, -1, 2)
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var box2 = box.expand(Vector3(0, -1, 2))
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.. code-tab:: csharp
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// position (-3, 2, 0), size (1, 1, 1)
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var box = new Aabb(new Vector3(-3, 2, 0), new Vector3(1, 1, 1));
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// position (-3, -1, 0), size (3, 4, 2), so we fit both the original AABB and Vector3(0, -1, 2)
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var box2 = box.Expand(new Vector3(0, -1, 2));
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_center:
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.. rst-class:: classref-method
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:ref:`Vector3<class_Vector3>` **get_center** **(** **)** |const|
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Returns the center of the **AABB**, which is equal to :ref:`position<class_AABB_property_position>` + (:ref:`size<class_AABB_property_size>` / 2).
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_endpoint:
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.. rst-class:: classref-method
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:ref:`Vector3<class_Vector3>` **get_endpoint** **(** :ref:`int<class_int>` idx **)** |const|
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Gets the position of the 8 endpoints of the **AABB** in space.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_longest_axis:
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.. rst-class:: classref-method
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:ref:`Vector3<class_Vector3>` **get_longest_axis** **(** **)** |const|
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Returns the normalized longest axis of the **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_longest_axis_index:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **get_longest_axis_index** **(** **)** |const|
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Returns the index of the longest axis of the **AABB** (according to :ref:`Vector3<class_Vector3>`'s ``AXIS_*`` constants).
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_longest_axis_size:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_longest_axis_size** **(** **)** |const|
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Returns the scalar length of the longest axis of the **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_shortest_axis:
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.. rst-class:: classref-method
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:ref:`Vector3<class_Vector3>` **get_shortest_axis** **(** **)** |const|
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Returns the normalized shortest axis of the **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_shortest_axis_index:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **get_shortest_axis_index** **(** **)** |const|
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Returns the index of the shortest axis of the **AABB** (according to :ref:`Vector3<class_Vector3>`::AXIS\* enum).
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_shortest_axis_size:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_shortest_axis_size** **(** **)** |const|
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Returns the scalar length of the shortest axis of the **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_support:
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.. rst-class:: classref-method
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:ref:`Vector3<class_Vector3>` **get_support** **(** :ref:`Vector3<class_Vector3>` dir **)** |const|
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Returns the support point in a given direction. This is useful for collision detection algorithms.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_get_volume:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_volume** **(** **)** |const|
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Returns the volume of the **AABB**.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_grow:
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.. rst-class:: classref-method
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:ref:`AABB<class_AABB>` **grow** **(** :ref:`float<class_float>` by **)** |const|
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Returns a copy of the **AABB** grown a given number of units towards all the sides.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_has_point:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_point** **(** :ref:`Vector3<class_Vector3>` point **)** |const|
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Returns ``true`` if the **AABB** contains a point. Points on the faces of the AABB are considered included, though float-point precision errors may impact the accuracy of such checks.
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\ **Note:** This method is not reliable for **AABB** with a *negative size*. Use :ref:`abs<class_AABB_method_abs>` to get a positive sized equivalent **AABB** to check for contained points.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_has_surface:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_surface** **(** **)** |const|
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Returns ``true`` if the **AABB** has a surface or a length, and ``false`` if the **AABB** is empty (all components of :ref:`size<class_AABB_property_size>` are zero or negative).
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_has_volume:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_volume** **(** **)** |const|
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Returns ``true`` if the **AABB** has a volume, and ``false`` if the **AABB** is flat, empty, or has a negative :ref:`size<class_AABB_property_size>`.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_intersection:
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.. rst-class:: classref-method
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:ref:`AABB<class_AABB>` **intersection** **(** :ref:`AABB<class_AABB>` with **)** |const|
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Returns the intersection between two **AABB**. An empty AABB (size ``(0, 0, 0)``) is returned on failure.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_intersects:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **intersects** **(** :ref:`AABB<class_AABB>` with **)** |const|
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Returns ``true`` if the **AABB** overlaps with another.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_intersects_plane:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **intersects_plane** **(** :ref:`Plane<class_Plane>` plane **)** |const|
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Returns ``true`` if the **AABB** is on both sides of a plane.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_intersects_ray:
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.. rst-class:: classref-method
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:ref:`Variant<class_Variant>` **intersects_ray** **(** :ref:`Vector3<class_Vector3>` from, :ref:`Vector3<class_Vector3>` dir **)** |const|
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Returns the point of intersection of the given ray with this **AABB** or ``null`` if there is no intersection. Ray length is infinite.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_intersects_segment:
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.. rst-class:: classref-method
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:ref:`Variant<class_Variant>` **intersects_segment** **(** :ref:`Vector3<class_Vector3>` from, :ref:`Vector3<class_Vector3>` to **)** |const|
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Returns the point of intersection between ``from`` and ``to`` with this **AABB** or ``null`` if there is no intersection.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_is_equal_approx:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_equal_approx** **(** :ref:`AABB<class_AABB>` aabb **)** |const|
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Returns ``true`` if this **AABB** and ``aabb`` are approximately equal, by calling :ref:`@GlobalScope.is_equal_approx<class_@GlobalScope_method_is_equal_approx>` on each component.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_is_finite:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_finite** **(** **)** |const|
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Returns ``true`` if this **AABB** is finite, by calling :ref:`@GlobalScope.is_finite<class_@GlobalScope_method_is_finite>` on each component.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_method_merge:
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.. rst-class:: classref-method
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:ref:`AABB<class_AABB>` **merge** **(** :ref:`AABB<class_AABB>` with **)** |const|
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Returns a larger **AABB** that contains both this **AABB** and ``with``.
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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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Operator Descriptions
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---------------------
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.. _class_AABB_operator_neq_AABB:
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.. rst-class:: classref-operator
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:ref:`bool<class_bool>` **operator !=** **(** :ref:`AABB<class_AABB>` right **)**
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Returns ``true`` if the AABBs are not equal.
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\ **Note:** Due to floating-point precision errors, consider using :ref:`is_equal_approx<class_AABB_method_is_equal_approx>` instead, which is more reliable.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_operator_mul_Transform3D:
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.. rst-class:: classref-operator
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:ref:`AABB<class_AABB>` **operator *** **(** :ref:`Transform3D<class_Transform3D>` right **)**
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Inversely transforms (multiplies) the **AABB** by the given :ref:`Transform3D<class_Transform3D>` transformation matrix.
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.. rst-class:: classref-item-separator
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----
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.. _class_AABB_operator_eq_AABB:
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.. rst-class:: classref-operator
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:ref:`bool<class_bool>` **operator ==** **(** :ref:`AABB<class_AABB>` right **)**
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Returns ``true`` if the AABBs are exactly equal.
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\ **Note:** Due to floating-point precision errors, consider using :ref:`is_equal_approx<class_AABB_method_is_equal_approx>` instead, which is more reliable.
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.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
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.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
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.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
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.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
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.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
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.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
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