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29 行
846 B
29 行
846 B
namespace UnityEngine.MaterialGraph
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{
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[Title ("Math/Interpolation/InverseLerp")]
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public class InverseLerpNode : Function3Input, IGeneratesFunction
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{
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public InverseLerpNode ()
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{
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name = "InverseLerp";
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}
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protected override string GetFunctionName ()
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{
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return "unity_inverselerp_" + precision;
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}
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public void GenerateNodeFunction (ShaderGenerator visitor, GenerationMode generationMode)
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{
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var outputString = new ShaderGenerator ();
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outputString.AddShaderChunk (GetFunctionPrototype ("arg1", "arg2", "arg3"), false);
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outputString.AddShaderChunk ("{", false);
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outputString.Indent ();
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outputString.AddShaderChunk ("return (arg3 - arg1)/(arg2 - arg1);", false);
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outputString.Deindent ();
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outputString.AddShaderChunk ("}", false);
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visitor.AddShaderChunk (outputString.GetShaderString (0), true);
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}
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}
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}
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