id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
20	Atmospheric Scattering	gongminmin	gongminmin	实现大气散射效果，参考GPU Gems 2第16章：http://http.developer.nvidia.com/GPUGems2/gpugems2_chapter16.html	task	new	major	4.0.0	Core-Rendering system