NVIDIA Opens PhysX Code to Unreal Engine 4 Developers

Posted 2 years ago

When we think of compelling virtual worlds, we usually think of graphics. And with each new version of Unreal Engine, Epic has embraced the latest graphics APIs to consistently raise the bar for the type of visuals developers can achieve in their games.  When you experience the huge, realistic world of our Kite demo running on NVIDIA TITAN X, you see the result of Epic’s longstanding commitment to state-of-the-art graphics.


Epic Games’ remarkably beautiful KIte Demo was running on the newly unveiled, GTX Titan X.

Epic Games and Nvidia have announced that all Unreal Engine 4 developers will have access to Nvidia’s PhysX. Developers will also gain access to the source code. By implementing the PhysX code in the engine, it would allow more developers to take advantage of the technology.

Epic Games revealed:

“Today we’re excited to announce an expansion of that partnership with NVIDIA providing all UE4 developers with not just binary but C++ source access to the CPU-based implementation of PhysX 3.3.3, including the clothing and destruction libraries, through Epic’s Unreal Engine repository on GitHub.”


Epic Games has just released Unreal Engine 4 for free to everyone.

Anyone can download the engine and use it for a variety of purposes ranging from game development and education, to architecture, film and animation and even visualization to VR. Developers still need to pay a 5% royalty on gross revenue after the first $3,000 per product, per quarter.

Epic Games concluded:

“This means that the entire UE4 community can now view and modify this PhysX code alongside the complete C++ source code for UE4. Modifications can be shared with NVIDIA who will review and incorporate accepted submissions into their main PhysX branch, which then flows into future versions of UE4.”

Unreal Engine 4 can be used for anything from indie projects to AAA blockbusters, supporting all major platforms and includes 100% of the C++ source code. Epics strives to provide developers with everything they need, to be in full control of their projects. Whatever is required to build and ship a game can found in Unreal Engine 4.

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An uncompressed version of the Kite Demo is available at Gamersyde.

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