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ReStructuredText
185 lines
12 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/master/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/master/modules/noise/doc_classes/Noise.xml.
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.. _class_Noise:
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Noise
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=====
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**Inherits:** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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**Inherited By:** :ref:`FastNoiseLite<class_FastNoiseLite>`
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Abstract base class for noise generators.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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This class defines the interface for noise generation libraries to inherit from.
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A default get_seamless_noise() implementation is provided for libraries that do not provide seamless noise. This function requests a larger image from get_image(), reverses the quadrants of the image, then uses the strips of extra width to blend over the seams.
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Inheriting noise classes can optionally override this function to provide a more optimal algorithm.
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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:`Image<class_Image>` | :ref:`get_image<class_Noise_method_get_image>` **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` in_3d_space=false, :ref:`bool<class_bool>` normalize=true **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Image[]<class_Image>` | :ref:`get_image_3d<class_Noise_method_get_image_3d>` **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`int<class_int>` depth, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` normalize=true **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_noise_1d<class_Noise_method_get_noise_1d>` **(** :ref:`float<class_float>` x **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_noise_2d<class_Noise_method_get_noise_2d>` **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_noise_2dv<class_Noise_method_get_noise_2dv>` **(** :ref:`Vector2<class_Vector2>` v **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_noise_3d<class_Noise_method_get_noise_3d>` **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y, :ref:`float<class_float>` z **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`float<class_float>` | :ref:`get_noise_3dv<class_Noise_method_get_noise_3dv>` **(** :ref:`Vector3<class_Vector3>` v **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Image<class_Image>` | :ref:`get_seamless_image<class_Noise_method_get_seamless_image>` **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` in_3d_space=false, :ref:`float<class_float>` skirt=0.1, :ref:`bool<class_bool>` normalize=true **)** |const| |
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+-----------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Image[]<class_Image>` | :ref:`get_seamless_image_3d<class_Noise_method_get_seamless_image_3d>` **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`int<class_int>` depth, :ref:`bool<class_bool>` invert=false, :ref:`float<class_float>` skirt=0.1, :ref:`bool<class_bool>` normalize=true **)** |const| |
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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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Method Descriptions
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-------------------
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.. _class_Noise_method_get_image:
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.. rst-class:: classref-method
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:ref:`Image<class_Image>` **get_image** **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` in_3d_space=false, :ref:`bool<class_bool>` normalize=true **)** |const|
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Returns an :ref:`Image<class_Image>` containing 2D noise values.
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\ **Note:** With ``normalize`` set to ``false``, the default implementation expects the noise generator to return values in the range ``-1.0`` to ``1.0``.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_image_3d:
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.. rst-class:: classref-method
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:ref:`Image[]<class_Image>` **get_image_3d** **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`int<class_int>` depth, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` normalize=true **)** |const|
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Returns an :ref:`Array<class_Array>` of :ref:`Image<class_Image>`\ s containing 3D noise values for use with :ref:`ImageTexture3D.create<class_ImageTexture3D_method_create>`.
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\ **Note:** With ``normalize`` set to ``false``, the default implementation expects the noise generator to return values in the range ``-1.0`` to ``1.0``.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_noise_1d:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_noise_1d** **(** :ref:`float<class_float>` x **)** |const|
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Returns the 1D noise value at the given (x) coordinate.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_noise_2d:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_noise_2d** **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y **)** |const|
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Returns the 2D noise value at the given position.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_noise_2dv:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_noise_2dv** **(** :ref:`Vector2<class_Vector2>` v **)** |const|
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Returns the 2D noise value at the given position.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_noise_3d:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_noise_3d** **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y, :ref:`float<class_float>` z **)** |const|
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Returns the 3D noise value at the given position.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_noise_3dv:
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.. rst-class:: classref-method
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:ref:`float<class_float>` **get_noise_3dv** **(** :ref:`Vector3<class_Vector3>` v **)** |const|
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Returns the 3D noise value at the given position.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_seamless_image:
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.. rst-class:: classref-method
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:ref:`Image<class_Image>` **get_seamless_image** **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`bool<class_bool>` invert=false, :ref:`bool<class_bool>` in_3d_space=false, :ref:`float<class_float>` skirt=0.1, :ref:`bool<class_bool>` normalize=true **)** |const|
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Returns an :ref:`Image<class_Image>` containing seamless 2D noise values.
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\ **Note:** With ``normalize`` set to ``false``, the default implementation expects the noise generator to return values in the range ``-1.0`` to ``1.0``.
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.. rst-class:: classref-item-separator
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----
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.. _class_Noise_method_get_seamless_image_3d:
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.. rst-class:: classref-method
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:ref:`Image[]<class_Image>` **get_seamless_image_3d** **(** :ref:`int<class_int>` width, :ref:`int<class_int>` height, :ref:`int<class_int>` depth, :ref:`bool<class_bool>` invert=false, :ref:`float<class_float>` skirt=0.1, :ref:`bool<class_bool>` normalize=true **)** |const|
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Returns an :ref:`Array<class_Array>` of :ref:`Image<class_Image>`\ s containing seamless 3D noise values for use with :ref:`ImageTexture3D.create<class_ImageTexture3D_method_create>`.
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\ **Note:** With ``normalize`` set to ``false``, the default implementation expects the noise generator to return values in the range ``-1.0`` to ``1.0``.
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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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