In this 2020 GDC Virtual Talk, Roblox's Maciej Mizerski describes how to use a direct matrix solver based on LDL matrix decomposition in tandem with a PGS solver (a.k.a. Sequential Impulse solver) to improve the stability of degenerate systems of constraints and rigid bodies in Roblox.
Join the GDC mailing list: http://www.gdconf.com/subscribe
Follow GDC on Twitter: https://twitter.com/Official_GDC
GDC talks cover a range of developmental topics including game design, programming, audio, visual arts, business management, production, online games, and much more. We post a fresh GDC video every day. Subscribe to the channel to stay on top of regular updates, and check out GDC Vault for thousands of more in-depth talks from our archives.
