Building Bare-Bones Game Physics in Rust with Python Integration

Publicado em: 05 Outubro 2025
no canal de: PyCon DE

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🔊 Recorded at PyCon DE & PyData 2025, April 25, 2025
https://2025.pycon.de/program/VKYDBD/

🎓 A practical exploration of building a 2D physics engine that combines Rust's performance with Python's accessibility through PyO3 integration.

Speakers:
Sam Kaveh

Description:
In this technical presentation, Dr. Sam Kaveh demonstrates the implementation of a 2D physics engine using Rust with Python integration. The talk explores the fundamental components of game physics simulation, including collision detection, force application, and constraint handling. Dr. Kaveh illustrates how the system processes objects through broad phase detection, narrow phase collision analysis, and velocity updates for both translational and rotational movement. The presentation details the architectural decisions involved in separating the core Rust library from its Python bindings, highlighting the benefits and challenges of this approach. Through practical demonstrations, Dr. Kaveh shows how PyO3 facilitates the integration between Rust and Python, including the implementation of iterators and error handling. The project demonstrates the potential of using Rust for performance-critical components while maintaining Python's accessibility for rapid prototyping and visualization. The presentation includes live demonstrations of the physics engine in action, showcasing both browser-based WebAssembly deployment and Python integration using frameworks like PyGame and Schia. Dr. Kaveh's implementation serves as a practical example of cross-language integration while maintaining performance optimization in physics simulation.

⭐️ About PyCon DE & PyData:
The PyCon DE & PyData conference unite the Python, AI, and data science communities, offering a unique platform for collaboration and innovation. The PyCon DE & PyData 2025 conference, provided an exceptional experience, fostering deeper connections within the Python community while showcasing advancements in AI and data science. Attendees enjoyed a diverse and engaging program, solidifying the event as a highlight for Python and AI enthusiasts nationwide.

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Links:
• Conference website: http://pycon.de
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The conference is organized by
• Python Softwareverband e.V.: http://pysv.org
• NumFOCUS Inc.: http://numfocus.org
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Acknowledgements:
Special thanks to all the volunteers and sponsors who made this event possible.

About:
Python Softwareverband e.V.:
PySV is a non-profit that promotes the use and development of Python in Germany through events, education, and advocacy, fostering an open Python community.

NumFOCUS Inc.
supports open-source scientific computing by providing financial and logistical support to key projects like NumPy and Jupyter, promoting sustainable development and collaboration.

Pioneers Hub gemeinnützige GmbH:
is a non-profit fostering innovation in AI and tech by connecting experts and promoting knowledge exchange through events and collaborative initiatives.

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