Well as you will notice this Texture CD also includes a few extras such as shadow maps and dirt masks, so lets try putting these into use.

好吧，你可能会注意到这张材质光盘中也包括了一些附加的东西，比如：阴影贴图和污垢的遮罩，所以让我们试着将它们应用进去。

youdao

For Directional lights Unity can use so called Cascaded shadow Maps (alternatively called "Parallel Split shadow Maps") which give very good shadow quality, especially for long viewing distances.

对于平行光，Unity可以使用级联阴影贴图(或成为平行分割阴影贴图)有很好的阴影质量，特别是远距离观看。

youdao

But when you use a shadow casting light (shadow maps, in this case), shadows look weird.

但是当你用铸轻阴影(阴影地图，在这种情况下)，怪异的影子。

youdao