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PhysX is an open-source [1] realtime physics engine middleware SDK developed by Nvidia as part of the Nvidia GameWorks software suite. Initially, video games supporting PhysX were meant to be accelerated by PhysX PPU ( expansion cards designed by Ageia ).
Nvidia GameWorks is a middleware software suite developed by Nvidia. [1] The Visual FX, PhysX, and Optix SDKs provide a wide range of enhancements pre-optimized for Nvidia GPUs. [2] GameWorks is partially open-source. [3]
The term was coined by Ageia's marketing to describe their PhysX chip to consumers. Several other technologies in the CPU-GPU spectrum have some features in common with it, although Ageia's solution was the only complete one designed, marketed, supported, and placed within a system exclusively as a PPU.
On compatible systems, the Microsoft Windows version uses nVidia's PhysX software engine to produce realistic, dynamic interactions with the game world. With PhysX enabled, some areas contain smoke or fog which reacts to Batman moving through it, while with PhysX disabled the fog will not appear at all.
The important distinction between the two is that effect physics do not affect gameplay (dust or small debris from an explosion, for example); the vast majority of physics operations are still performed in software. This approach differs significantly from the PhysX SDK, which moves all calculations to the PhysX card if it is present.
Ageia, founded in 2002, was a fabless semiconductor company.In 2004, Ageia acquired NovodeX, the company who created PhysX – a Physics Processing Unit chip capable of performing game physics calculations much faster than general purpose CPUs; they also licensed out the PhysX SDK (formerly NovodeX SDK), a large physics middleware library for game production.
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a plug-in for Maya animation software; Valve's Source game engine uses VPhysics, which is a physics engine modified from Havok [21] Havok addons in 3D Studio Max; Havok supplies tools (the "Havok Content Tools") for export of assets for use with all Havok products from Autodesk 3ds Max, Autodesk Maya, and (formerly) Autodesk Softimage.