47 lines
		
	
	
		
			807 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			47 lines
		
	
	
		
			807 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
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								title: Untitled 1
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								date: 2025-08-23 15:56:02
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								excerpt: 
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								tags: 
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								rating: ⭐
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								status: inprogress
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								destination: 
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								share: false
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								obsidianUIMode: source
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								---
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								# 要求
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								全地图GI覆盖
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								# GI方案
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								1. LightMap
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									1. 性能消耗低
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									2. 项目成本高
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								2. VolumnGI
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									1. 性能消耗中等
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									2. 项目成本可以接受
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								3. DynamicGI
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									1. 性能消耗高
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									2. 项目成本低
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								PC/主机需求:
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								1. 显存。
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								Mobile:
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								1. 低包量
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								2. 性能、发热(CPU瓶颈)
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								3. 降低成本
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								多人:LightMap + VolumenGI
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								单人:Lumen
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								## LightMap 
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								制作效率限制
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								## VolumnGI 
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								性价比并没有想象中那么高,感知不强。容易掉进开发陷阱。
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								### 防漏光
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								需要告诉美术如何解决漏光问题。 
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								J3:所有墙体大于0.25m,就不会漏光。小于0.25 使用Hack方法
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								### 稀疏体素树 openvdb
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