This effect will show the picture in the way of eddies lines, so that the 2D photo looks like a line flowing effect!
It is so cool effect!
Demo video: https://www.youtube.com/watch?v=cct5WxPjLdQ
The package include full source code and guide document!
Note: This effect utilizes Low-level graphics library - GL (the graphic will always be displayed on the top layer of the camera)