If you want to have many shadow casting lights, you need to use Deferred Lighting rendering path.

如果你想有多个的阴影投射灯，你需要使用延迟光照渲染路径。

youdao

Forward rendering path supports only one directional shadow casting light. Vertex Lit rendering path does not support realtime shadows.

正向渲染路径仅支持一个平行光阴影投射灯。顶点光照渲染路径不支持实时阴影。

youdao

The program is of greatly practical value and economic efficiency to teachers and technicians when they compile textbooks on shadow casting.

该程序对广大教师和专业技术人员创作有关投影教材，具有较强的实用价值和经济效益。

youdao

It is like light casting a shadow.

就好像光线投下影子。

麻省理工公开课 - 固态化学导论课程节选

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