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godot-docs-l10n/classes/es/class_backbuffercopy.rst

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.. _class_BackBufferCopy:
BackBufferCopy
==============
**Hereda:** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
A node that copies a region of the screen to a buffer for access in shader code.
.. rst-class:: classref-introduction-group
Descripción
----------------------
Node for back-buffering the currently-displayed screen. The region defined in the **BackBufferCopy** node is buffered with the content of the screen it covers, or the entire screen according to the :ref:`copy_mode<class_BackBufferCopy_property_copy_mode>`. It can be accessed in shader scripts using the screen texture (i.e. a uniform sampler with ``hint_screen_texture``).
\ **Note:** Since this node inherits from :ref:`Node2D<class_Node2D>` (and not :ref:`Control<class_Control>`), anchors and margins won't apply to child :ref:`Control<class_Control>`-derived nodes. This can be problematic when resizing the window. To avoid this, add :ref:`Control<class_Control>`-derived nodes as *siblings* to the **BackBufferCopy** node instead of adding them as children.
.. rst-class:: classref-introduction-group
Tutoriales
--------------------
- :doc:`Shaders de lectura de pantalla <../tutorials/shaders/screen-reading_shaders>`
.. rst-class:: classref-reftable-group
Propiedades
----------------------
.. table::
:widths: auto
+-----------------------------------------------+-----------------------------------------------------------+---------------------------------+
| :ref:`CopyMode<enum_BackBufferCopy_CopyMode>` | :ref:`copy_mode<class_BackBufferCopy_property_copy_mode>` | ``1`` |
+-----------------------------------------------+-----------------------------------------------------------+---------------------------------+
| :ref:`Rect2<class_Rect2>` | :ref:`rect<class_BackBufferCopy_property_rect>` | ``Rect2(-100, -100, 200, 200)`` |
+-----------------------------------------------+-----------------------------------------------------------+---------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Enumeraciones
--------------------------
.. _enum_BackBufferCopy_CopyMode:
.. rst-class:: classref-enumeration
enum **CopyMode**: :ref:`🔗<enum_BackBufferCopy_CopyMode>`
.. _class_BackBufferCopy_constant_COPY_MODE_DISABLED:
.. rst-class:: classref-enumeration-constant
:ref:`CopyMode<enum_BackBufferCopy_CopyMode>` **COPY_MODE_DISABLED** = ``0``
Disables the buffering mode. This means the **BackBufferCopy** node will directly use the portion of screen it covers.
.. _class_BackBufferCopy_constant_COPY_MODE_RECT:
.. rst-class:: classref-enumeration-constant
:ref:`CopyMode<enum_BackBufferCopy_CopyMode>` **COPY_MODE_RECT** = ``1``
**BackBufferCopy** almacena una región rectangular.
.. _class_BackBufferCopy_constant_COPY_MODE_VIEWPORT:
.. rst-class:: classref-enumeration-constant
:ref:`CopyMode<enum_BackBufferCopy_CopyMode>` **COPY_MODE_VIEWPORT** = ``2``
**BackBufferCopy** almacena toda la pantalla.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Descripciones de Propiedades
--------------------------------------------------------
.. _class_BackBufferCopy_property_copy_mode:
.. rst-class:: classref-property
:ref:`CopyMode<enum_BackBufferCopy_CopyMode>` **copy_mode** = ``1`` :ref:`🔗<class_BackBufferCopy_property_copy_mode>`
.. rst-class:: classref-property-setget
- |void| **set_copy_mode**\ (\ value\: :ref:`CopyMode<enum_BackBufferCopy_CopyMode>`\ )
- :ref:`CopyMode<enum_BackBufferCopy_CopyMode>` **get_copy_mode**\ (\ )
Modo de búfer.
.. rst-class:: classref-item-separator
----
.. _class_BackBufferCopy_property_rect:
.. rst-class:: classref-property
:ref:`Rect2<class_Rect2>` **rect** = ``Rect2(-100, -100, 200, 200)`` :ref:`🔗<class_BackBufferCopy_property_rect>`
.. rst-class:: classref-property-setget
- |void| **set_rect**\ (\ value\: :ref:`Rect2<class_Rect2>`\ )
- :ref:`Rect2<class_Rect2>` **get_rect**\ (\ )
The area covered by the **BackBufferCopy**. Only used if :ref:`copy_mode<class_BackBufferCopy_property_copy_mode>` is :ref:`COPY_MODE_RECT<class_BackBufferCopy_constant_COPY_MODE_RECT>`.
.. |virtual| replace:: :abbr:`virtual (Normalmente, este método debería ser sobreescrito por el usuario para que tenga algún efecto.)`
.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
.. |const| replace:: :abbr:`const (Este método no tiene efectos secundarios. No modifica ninguna de las variables miembro de la instancia.)`
.. |vararg| replace:: :abbr:`vararg (Este método permite agregar cualquier número de argumentos después de los descritos aquí.)`
.. |constructor| replace:: :abbr:`constructor (Este método se utiliza para construir un tipo.)`
.. |static| replace:: :abbr:`static (Este método no necesita una instancia para ser llamado, por lo que puede llamarse directamente utilizando el nombre de la clase.)`
.. |operator| replace:: :abbr:`operator (Este método describe un operador válido para usar con este tipo como operando izquierdo.)`
.. |bitfield| replace:: :abbr:`BitField (Este valor es un entero compuesto como una máscara de bits de las siguientes banderas.)`
.. |void| replace:: :abbr:`void (Sin valor de retorno.)`