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35 行
958 B
35 行
958 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("Procedural", "Shape", "Rectangle")]
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class RectangleNode : CodeFunctionNode
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{
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public RectangleNode()
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{
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name = "Rectangle";
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}
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protected override MethodInfo GetFunctionToConvert()
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{
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return GetType().GetMethod("Unity_Rectangle", BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_Rectangle(
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[Slot(0, Binding.MeshUV0)] Vector2 UV,
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[Slot(1, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
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[Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
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[Slot(3, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
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{
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return
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@"
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{
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$precision2 d = abs(UV * 2 - 1) - $precision2(Width, Height);
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d = 1 - d / fwidth(d);
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Out = saturate(min(d.x, d.y));
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}";
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}
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}
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}
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