Irrlicht是一款轻量级的 3D 引擎，引擎本身精简强悍，功能也齐全，并且有自己专用的场景编辑器；此pdf是Irrlicht的中文学习指南，对新手来说，入门快、学习快。-Irrlicht 3D Engine is a lightweight, powerful engine itself to streamline the functions are complete, and the scene has its own dedicated editor this pdf is the s