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73 lines
2.7 KiB
XML
73 lines
2.7 KiB
XML
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<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Noise" inherits="Resource" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
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<brief_description>
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Abstract base class for noise generators.
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</brief_description>
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<description>
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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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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="get_image">
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<return type="Image" />
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<argument index="0" name="width" type="int" />
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<argument index="1" name="height" type="int" />
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<argument index="2" name="invert" type="bool" default="false" />
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<description>
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Returns a 2D [Image] noise image.
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</description>
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</method>
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<method name="get_noise_1d">
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<return type="float" />
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<argument index="0" name="x" type="float" />
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<description>
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Returns the 1D noise value at the given (x) coordinate.
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</description>
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</method>
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<method name="get_noise_2d">
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<return type="float" />
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<argument index="0" name="x" type="float" />
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<argument index="1" name="y" type="float" />
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<description>
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Returns the 2D noise value at the given position.
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</description>
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</method>
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<method name="get_noise_2dv">
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<return type="float" />
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<argument index="0" name="v" type="Vector2" />
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<description>
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Returns the 2D noise value at the given position.
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</description>
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</method>
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<method name="get_noise_3d">
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<return type="float" />
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<argument index="0" name="x" type="float" />
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<argument index="1" name="y" type="float" />
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<argument index="2" name="z" type="float" />
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<description>
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Returns the 3D noise value at the given position.
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</description>
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</method>
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<method name="get_noise_3dv">
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<return type="float" />
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<argument index="0" name="v" type="Vector3" />
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<description>
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Returns the 3D noise value at the given position.
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</description>
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</method>
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<method name="get_seamless_image">
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<return type="Image" />
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<argument index="0" name="width" type="int" />
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<argument index="1" name="height" type="int" />
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<argument index="2" name="invert" type="bool" default="false" />
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<argument index="3" name="skirt" type="float" default="0.1" />
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<description>
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Returns a seamless 2D [Image] noise image.
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</description>
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</method>
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</methods>
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</class>
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