ShadowProjection 阴影投射

Shadow projection type for Quality Settings.

阴影投影类型的质量设置。

CloseFit	Close fit shadow maps with linear fadeout. 紧密贴合阴影贴图，具体线性减淡。
StableFit	Stable shadow maps with spherical fadeout. 稳定贴合阴影贴图，具体球形减淡。