Unity3d流光效果
https://www.cnblogs.com/forlove/p/3795809.html
NGUI的流光shader解决方案(一)(支持UITexture和使用图集的UISprite)
http://blog.csdn.net/jw5678/article/details/55002983
UGUI流光特效(王者荣耀效果)
http://www.manew.com/blog-50373-42727.html
http://blog.csdn.net/cainiaotortoise/article/details/42127111