Position Based Dynamics is a simple simulation method that has been extensively used in games and the movie industry. It has also the reputation of being non-physical and too simplistic. Not many people realize that two small changes have turned the toy into a serious competitor of state of the art simulation methods in the four categories
The challenge is to replace the simulation part of the code with your own to beat PBD in any of the above categories. So far we have two scenes, more will follow...
2D particle fluid