一个unitypackage的压缩包, 下载了解压然后直接导入就可以了。 Description: 2DDL PRO is a tool that craft procedurally a Light system for 2D Environment. 2DDL works like a real Light in 2 dimensions.The Mesh Renderer is constructed taking into account the obstacles(Casters) in the scene. Because is a Mesh, you can pick any s