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65 行
2.5 KiB
65 行
2.5 KiB
namespace UnityEngine.MaterialGraph
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{
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[Title("UV/Cartesian To Polar Node")]
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public class CartesianToPolarNode : Function3Input, IGeneratesFunction
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{
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public CartesianToPolarNode()
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{
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name = "CartesianToPolarNode";
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}
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protected override string GetFunctionName()
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{
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return "unity_cartesiantopolar_" + precision;
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}
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protected override string GetInputSlot1Name()
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{
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return "UV";
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}
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protected override string GetInputSlot2Name()
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{
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return "HorizontalTileScale";
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}
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protected override string GetInputSlot3Name()
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{
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return "VerticalTileScale";
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}
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protected override MaterialSlot GetInputSlot1()
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{
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return new MaterialSlot(InputSlot1Id, GetInputSlot1Name(), kInputSlot1ShaderName, UnityEngine.Graphing.SlotType.Input, SlotValueType.Vector2, Vector2.zero);
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}
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protected override MaterialSlot GetInputSlot2()
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{
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return new MaterialSlot(InputSlot2Id, GetInputSlot2Name(), kInputSlot2ShaderName, UnityEngine.Graphing.SlotType.Input, SlotValueType.Vector1, Vector4.zero);
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}
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protected override MaterialSlot GetInputSlot3()
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{
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return new MaterialSlot(InputSlot3Id, GetInputSlot3Name(), kInputSlot3ShaderName, UnityEngine.Graphing.SlotType.Input, SlotValueType.Vector1, Vector4.zero);
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}
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protected override MaterialSlot GetOutputSlot()
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{
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return new MaterialSlot(OutputSlotId, GetOutputSlotName(), kOutputSlotShaderName, UnityEngine.Graphing.SlotType.Output, SlotValueType.Vector2, Vector2.zero);
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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("uv", "horizontalTileScale", "verticalTileScale"), false);
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outputString.AddShaderChunk("{", false);
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outputString.Indent();
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outputString.AddShaderChunk("float radius = length(uv);", false);
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outputString.AddShaderChunk("float angle = atan2(uv.x, uv.y);", false);
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outputString.AddShaderChunk("return float2(radius, angle);", 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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