vault backup: 2025-03-28 15:32:21
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@@ -51,6 +51,8 @@ if (IsValid(Material))
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- [ ] 大于等于Epic存储的是一个三阶球谐,保持1阶球谐数值不变,对2~3阶球谐按照系数进行平滑。并且添加能量补偿,大致与PBR的结果接近。
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![[Lumen_SHData.png|800]]
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![[Lumen_能量补偿1.png|800]]
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![[Lumen_能量补偿2.png|800]]
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UE5中采样球谐贴图方法(ReflectionEnvironmentShared.ush):
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```c++
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/**
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