42 lines
1.5 KiB
XML
42 lines
1.5 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
|
|
<class name="VisualShaderNodeColorFunc" inherits="VisualShaderNode" version="4.0">
|
|
<brief_description>
|
|
A [Color] function to be used within the visual shader graph.
|
|
</brief_description>
|
|
<description>
|
|
Accept a [Color] to the input port and transform it according to [member function].
|
|
</description>
|
|
<tutorials>
|
|
</tutorials>
|
|
<members>
|
|
<member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeColorFunc.Function" default="0">
|
|
A function to be applied to the input color. See [enum Function] for options.
|
|
</member>
|
|
</members>
|
|
<constants>
|
|
<constant name="FUNC_GRAYSCALE" value="0" enum="Function">
|
|
Converts the color to grayscale using the following formula:
|
|
[codeblock]
|
|
vec3 c = input;
|
|
float max1 = max(c.r, c.g);
|
|
float max2 = max(max1, c.b);
|
|
float max3 = max(max1, max2);
|
|
return vec3(max3, max3, max3);
|
|
[/codeblock]
|
|
</constant>
|
|
<constant name="FUNC_SEPIA" value="1" enum="Function">
|
|
Applies sepia tone effect using the following formula:
|
|
[codeblock]
|
|
vec3 c = input;
|
|
float r = (c.r * 0.393) + (c.g * 0.769) + (c.b * 0.189);
|
|
float g = (c.r * 0.349) + (c.g * 0.686) + (c.b * 0.168);
|
|
float b = (c.r * 0.272) + (c.g * 0.534) + (c.b * 0.131);
|
|
return vec3(r, g, b);
|
|
[/codeblock]
|
|
</constant>
|
|
<constant name="FUNC_MAX" value="2" enum="Function">
|
|
Represents the size of the [enum Function] enum.
|
|
</constant>
|
|
</constants>
|
|
</class>
|