烘焙阴影锯齿问题
烘焙后阴影锯齿明显,如下图:
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203643297-201826269.jpg)
烘焙的光照贴图质量主要受LightmapParameters 的Blur Radius和抗锯齿级别影响, 默认最高级别如下:
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203645352-1740131718.png)
如果最高级别不能达到好的效果则需要创建自定义LightmapParameters。
解决:
1 创建新的LightmapParameters
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203647989-1473506420.png)
(也可通过右键菜单在Project下创建)
2 减小Blur Radius 和增加看锯齿级别,设置如下:
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203651546-1642689436.png)
3 下图为改善后的效果:
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203705258-551117727.jpg)
正确的处理Cutoff材质的Alpha贴图
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203710086-717747453.png)
不正确的cutoff alpha贴图
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203711965-1158810138.png)
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203730130-329873093.jpg)
正确的alpha贴图,边缘必须留出足够的“溢出”,如下:
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203735357-1861578946.png)
![](https://img2018.cnblogs.com/blog/833133/201902/833133-20190227203757318-1789761054.jpg)