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39 行
1.1 KiB
39 行
1.1 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("UV", "Polar Coordinates")]
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class PolarCoordinatesNode : CodeFunctionNode
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{
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public PolarCoordinatesNode()
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{
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name = "Polar Coordinates";
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}
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protected override MethodInfo GetFunctionToConvert()
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{
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return GetType().GetMethod("Unity_PolarCoordinates", BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_PolarCoordinates(
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[Slot(0, Binding.MeshUV0)] Vector2 UV,
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[Slot(1, Binding.None, 0.5f, 0.5f, 0.5f, 0.5f)] Vector2 Center,
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[Slot(2, Binding.None, 1.0f, 1.0f, 1.0f, 1.0f)] Vector1 RadialScale,
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[Slot(3, Binding.None, 1.0f, 1.0f, 1.0f, 1.0f)] Vector1 LengthScale,
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[Slot(4, Binding.None)] out Vector2 Out)
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{
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Out = Vector2.zero;
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return
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@"
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{
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$precision2 delta = UV - Center;
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$precision radius = length(delta) * 2 * RadialScale;
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$precision angle = atan2(delta.x, delta.y) * 1.0/6.28 * LengthScale;
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Out = $precision2(radius, angle);
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}
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";
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}
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}
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}
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