Add the contact point from MPR, in addition to SAT/clipping contacts. Added a new kernel to clear/reset the number of contacts in pairs (stored in the z component) Always sample unit sphere directions, if there are more edge-edge combinations than unit sphere directions (162 by default) Remember last running demo for Bullet 3 (and save it in a text file, Bullet Enable the testFileFracture.bullet in the Bullet2FileDemo