Amazing project! For what it's worth, the Github page references to the GPU Gems book for this effect: http://developer.download.nvidia.com/books/HTML/gpugems/

Amazing project! For what it's worth, the Github page references to the GPU Gems book for this effect: http://developer.download.nvidia.com/books/HTML/gpugems/gpugems_ch38.html http://developer.download.nvidia.com/books/HTML/gpugems/gpug...