错误的版本
这次对了。基本的点光源的效果
Merge branch 'master' of https://github.com/LAEstudio/proj_1

Conflicts:

image_randering.xcodeproj/xcuserdata/hedehua.xcuserdatad/xcdebugger/Brea
kpoints_v2.xcbkptlist
	image_randering/Light.cpp
	image_randering/Light.h
	image_randering/main.cpp