36 lines
1.2 KiB
C#
36 lines
1.2 KiB
C#
using System;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using UnityEngine;
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using UnityEngine.VFX;
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namespace UnityEditor.VFX
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{
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class VFXExpressionSampleGradient : VFXExpression
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{
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public VFXExpressionSampleGradient() : this(VFXValue<Gradient>.Default, VFXValue<float>.Default)
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{
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}
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public VFXExpressionSampleGradient(VFXExpression gradient, VFXExpression time)
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: base(Flags.None, new VFXExpression[2] { gradient, time })
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{ }
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sealed public override VFXExpressionOperation operation { get { return VFXExpressionOperation.SampleGradient; } }
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protected sealed override VFXExpression Evaluate(VFXExpression[] constParents)
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{
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var timeReduce = constParents[1];
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var gradientReduce = constParents[0];
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var gradient = gradientReduce.Get<Gradient>();
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var time = timeReduce.Get<float>();
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return VFXValue.Constant((Vector4)gradient.Evaluate(time));
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}
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public sealed override string GetCodeString(string[] parents)
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{
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return string.Format("SampleGradient({0},{1})", parents[0], parents[1]);
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}
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}
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}
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