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View, browse and sort the ever-growing list of sessions by day, pass type, topic, and format. With this Session Viewer, you can view GDC 2023 session details and speakers, and share your favorites via social media. You will be able to build your schedule and access it during the show via export or Mobile App, once live. Sessions do fill up and seating is first come, first serve, so arrive early to sessions that you would like to attend.

Open Source Game Development Summit: Evolution of Open Source 3D Physics Simulators

Erwin Coumans  (Distinguished Engineer, NVIDIA)

Location: Room 3007, West Hall

Date: Tuesday, March 21

Time: 4:40 pm - 5:10 pm

Pass Type: All Access Pass, Summits Pass

Topic: Programming

Format: Lecture

Vault Recording: Video

Audience Level: All

Over the last 2 decennia, a large range of physics simulators became available as open source for use in games. This talk will go over many aspects of different simulators, their development, user community and use in games, both opportunities and challenges. Will touch on Open Dynamics Engine, Bullet, Physics Effects, PhysX and Jolt as well as collision detection and physics file formats and authoring tools and the recent impact of reinforcement learning on the use of physics based character animation.


Attendee will learn about experiences of creating and supporting open source in large companies, such as Sony, AMD, Google and NVIDIA. Receive perspectives on challenges and rewards of open source development. Also learn the benefits of open source and get some examples of up-to-date open source physics technology, including Bullet, PhysX, Warp and some state-of-the-art open source reinforcement learning projects to drive physics based characters.

Intended Audience

Anyone curious about the evolution and world of physics engines.