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37 行
1.2 KiB
37 行
1.2 KiB
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", "Rounded Rectangle")]
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class RoundedRectangleNode : CodeFunctionNode
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{
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public RoundedRectangleNode()
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{
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name = "Rounded 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_RoundedRectangle", BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_RoundedRectangle(
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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, 0.1f, 0, 0, 0)] Vector1 Radius,
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[Slot(4, 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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Radius = max(min(min(abs(Radius * 2), abs(Width)), abs(Height)), 1e-5);
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$precision2 uv = abs(UV * 2 - 1) - $precision2(Width, Height) + Radius;
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$precision d = length(max(0, uv)) / Radius;
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Out = saturate((1 - d) / fwidth(d));
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}";
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}
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}
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}
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