https://code.google.com/p/gimp-normalmap/

http://blogs.unity3d.com/2014/07/03/metal-a-new-graphics-api-for-ios-8/ Japanese memo Aras Pranckevičius さん(Unity) による Metal API についての記事.

http://www.fxguide.com/featured/cryteks-cinebox-an-update/

http://www.thisiscolossal.com/2014/07/reverse-perspective-painting-creates-amazing-optical-illusion-as-you-move-around-it/