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33 行
888 B
33 行
888 B
using System.Reflection;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph
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{
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[Title("Artistic", "Adjustment", "Saturation")]
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class SaturationNode : CodeFunctionNode
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{
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public SaturationNode()
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{
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name = "Saturation";
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}
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protected override MethodInfo GetFunctionToConvert()
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{
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return GetType().GetMethod("Unity_Saturation", BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_Saturation(
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[Slot(0, Binding.None)] Vector3 In,
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[Slot(1, Binding.None, 1, 1, 1, 1)] Vector1 Saturation,
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[Slot(2, Binding.None)] out Vector3 Out)
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{
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Out = Vector3.zero;
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return @"
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{
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$precision luma = dot(In, $precision3(0.2126729, 0.7151522, 0.0721750));
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Out = luma.xxx + Saturation.xxx * (In - luma.xxx);
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}
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";
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}
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}
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}
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