unity 场景模型烘焙黑斑、黑点、漏光、不正常

问题现象

烘焙完成后

1:黑斑、块、条

2:漏光

3:Unity Console Inspector ⚠ 警告

等等

 

如这样

 

警告

当时(这TM什么鬼东西)

There are 3 objects in the Scene with overlapping UV's. Please see the details list below or use the 'UV Overlap' visualisation mode in the Scene View or Lightmaps in Lighting Settings for more information.

This GameObject has overlapping UVS .Please enable "Generate Lightmap UV'S on the Asset or fix in your modelling package.

过程

然后自己去搜为什么?

最后得到这样一个答案,模型导入时点下Generate Lightmap UVS .

再跑烘焙,哦 效果好了一些,但还是不行啊。

解决办法

模型会有多套UV(什么是UV? 这要不懂就查去),也会有多个材质球。

Unity 光照贴图,同理也会使用一个纹理通道,那使用模型那个?

结论:

默认使用模型uv1,如果uv1没有重叠(重叠?这又什么鬼,先挖坑,回头写),烘焙没有问题。

若uv1重叠,需要对展开uv2,且不可重叠。

如果模型人员比较懒((⊙﹏⊙)),点模型导入选项Generate Lightmap UVS ,让unity生成一套uv2,但是这样效果可能会差一下,一般不点。

小知识

Unity最多支持 7 还是8来着 个模型通道 UV

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