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79 lines
2.8 KiB
ReStructuredText
79 lines
2.8 KiB
ReStructuredText
:github_url: hide
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.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
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.. DO NOT EDIT THIS FILE, but the VisualShaderNodeColorFunc.xml source instead.
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.. The source is found in doc/classes or modules/<name>/doc_classes.
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.. _class_VisualShaderNodeColorFunc:
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VisualShaderNodeColorFunc
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=========================
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**Inherits:** :ref:`VisualShaderNode<class_VisualShaderNode>` **<** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`
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A :ref:`Color<class_Color>` function to be used within the visual shader graph.
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Description
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-----------
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Accept a :ref:`Color<class_Color>` to the input port and transform it according to :ref:`function<class_VisualShaderNodeColorFunc_property_function>`.
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Properties
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----------
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+----------------------------------------------------------+--------------------------------------------------------------------+-------+
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| :ref:`Function<enum_VisualShaderNodeColorFunc_Function>` | :ref:`function<class_VisualShaderNodeColorFunc_property_function>` | ``0`` |
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+----------------------------------------------------------+--------------------------------------------------------------------+-------+
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Enumerations
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------------
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.. _enum_VisualShaderNodeColorFunc_Function:
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.. _class_VisualShaderNodeColorFunc_constant_FUNC_GRAYSCALE:
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.. _class_VisualShaderNodeColorFunc_constant_FUNC_SEPIA:
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enum **Function**:
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- **FUNC_GRAYSCALE** = **0** --- Converts the color to grayscale using the following formula:
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::
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vec3 c = input;
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float max1 = max(c.r, c.g);
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float max2 = max(max1, c.b);
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float max3 = max(max1, max2);
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return vec3(max3, max3, max3);
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- **FUNC_SEPIA** = **1** --- Applies sepia tone effect using the following formula:
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::
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vec3 c = input;
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float r = (c.r * 0.393) + (c.g * 0.769) + (c.b * 0.189);
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float g = (c.r * 0.349) + (c.g * 0.686) + (c.b * 0.168);
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float b = (c.r * 0.272) + (c.g * 0.534) + (c.b * 0.131);
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return vec3(r, g, b);
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Property Descriptions
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---------------------
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.. _class_VisualShaderNodeColorFunc_property_function:
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- :ref:`Function<enum_VisualShaderNodeColorFunc_Function>` **function**
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+-----------+---------------------+
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| *Default* | ``0`` |
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+-----------+---------------------+
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| *Setter* | set_function(value) |
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+-----------+---------------------+
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| *Getter* | get_function() |
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+-----------+---------------------+
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A function to be applied to the input color. See :ref:`Function<enum_VisualShaderNodeColorFunc_Function>` for options.
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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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