Демонстрация феномена Gimbal Lock на Unity3d
http://habrahabr.ru/post/183116/
WebGL http://basmanovdaniil.github.io/GimbalLock/
Windows https://github.com/BasmanovDaniil/GimbalLock/releases/download/2.0/GimbalLock.Windows.zip
Linux https://github.com/BasmanovDaniil/GimbalLock/releases/download/2.0/GimbalLock.Linux.zip
Mac https://github.com/BasmanovDaniil/GimbalLock/releases/download/2.0/GimbalLock.Mac.zip