<p>Erin Catto of Kintsugiyama, veteran video game developer who worked on the Tomb Raider series at Crystal Dynamics and later contributed to Diablo III, Overwatch, and other franchises at Blizzard, discusses video game physics engines with host Jason Davey. Erin created the popular open-source Box2D library used in titles including Angry Birds and Noita, and he released Box3D in 2026, bringing the much-loved physics engine to the third dimension. Underpinning everything from platformers and racing games to industrial robotics simulations, modern physics engines present a host of interesting engineering challenges, including the need to balance accuracy, stability, determinism, and performance. Catto describes the core concepts, the various trade-offs and factors that influence the design of these systems, and how they fit into the broader software architecture of a video game.</p>

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SE Radio 739: Erin Catto on Video Game Physics Engines

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