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36 行
1.1 KiB
36 行
1.1 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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namespace UnityEditor.Graphs.Material
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{
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[Title("Input/World Pos Node")]
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public class WorldPosNode : BaseMaterialNode, IGeneratesVertexToFragmentBlock
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{
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private const string kOutputSlotName = "WorldPos";
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public override bool hasPreview { get { return true; } }
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public override void Init()
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{
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base.Init();
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name = "WorldPos";
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AddSlot(new Slot(SlotType.OutputSlot, kOutputSlotName));
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}
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public override string GetOutputVariableNameForSlot(Slot slot, GenerationMode generationMode)
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{
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// For now add () around whole expressions so that things like .xy work
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// A better solution would be to provide information on the context in which this is used so that we avoid expressions like (half4(p, 1, 1)).xy
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// and can directly output p.
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return "(" + precision + "4 (IN.worldPos, 1))";
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}
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public void GenerateVertexToFragmentBlock(ShaderGenerator visitor, GenerationMode generationMode)
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{
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visitor.AddShaderChunk(precision + "3 worldPos;", true);
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}
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}
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}
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