NVIDIA PhysX 3.3.3 Available for Free to All Unreal Engine 4 Developers

Epic Games and NVIDIA have announced that all Unreal Engine 4 developers will gain access to NVIDIA’s PhysX. Not only that, but developers will have access to PhysX’s source code. And in our opinion, this is another clever move from Epic Games; a move that will certainly make a lot of developers start experimenting with its engine.

As 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.  This means that anyone can download the engine and use it for everything from game development, education, architecture, and visualization to VR, film and animation.

When shipping a game or application, developers pay a 5% royalty on gross revenue after the first $3,000 per product, per quarter. Therefore there are no subscription fees at all. Now add to this the ability to gain access for free to NVIDIA’s PhysX physics suite and you got yourself an irrefusable offer.

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.”

Checkmate.

17 thoughts on “NVIDIA PhysX 3.3.3 Available for Free to All Unreal Engine 4 Developers”

  1. Nvidia is being nice with it’s latest 3.3 since PhysX Flex is on the way. And on AAA future gameworks games will use Flex. As well as KF2 and rumor is Capcoms monster hunter online might use Flex as well which can’t be confirmed but what is confirmed is it will use PhysX

    1. Dude Flex uses both and his DP friendly which is a good thing. Witcher 3 is using DP for it’s PhysX/Gameworks so it will run well on AMD hardware. But PhysX it’self will only be on Nvidia hardware that I am aware of.

      And Flex is not entirely DP based. It uses it with the GPU. KillingFloor2 and Monster hunter Online will be the 1st Nvidia Flex games.

      In the end it will be a better version of PhysX and very more optimized version of 3.3.3. Which will make it so people no longer will feel the need to have a dedicated physx card like I do.

      Other Titles in the works are
      Cargo 3
      The Old City Leviathan
      Haunted House: Cryptic Graves
      JUJU
      Rooks Keep
      Zombies on a Plane
      Hardland
      H1Z1

      As well as other games that I missed but I am not going to search for more….

      “PhysX FleX is a particle based simulation technique for real-time visual effects. Traditionally, visual effects are made using a combination of elements created using specialized solvers for rigid bodies, fluids, clothing, etc. Because FLEX uses a unified particle representation for all object types, it enables new effects where different simulated substances can interact with each other seamlessly. So far we showed examples for rigid body stacking, particle piles, soft bodies and fluids. In the video below we’ll be showing some of the new advancements within PhysX FleX.” Nvidia PhysX Blog

      1. Nvidia did not Nerf like people think they did… you are comparing kepler arch to Maxwell arch… they use more gflops then kepler and OC higher.

        Watch the new pcper pod cast about Nvidia opening PhysX for UR4 Dev’s… I would link it but it would make my comment on hold. And besides it’s DP friendly so AMD user’s will be happy so AMD has no excuses to make optimized drivers to run future games like Witcher 3 and Batman AK

        1. As I know, Physx is not using double precision units for comuptation. It’s SP based. And only CPU PhysX is now open source. GPU PhysX licence didn’t change and will be only for GeForce GPUs. The rumors saying that maybe Flex will is implemented in direct compute and will be available for AMD GPUs too. But that don’t have to be true.

          1. no I use a 970 and have a 750 TI that is dedicated to PhysX. I could however use my I7 but it’s not as good as using my 750 TI.

            The reason is I notice a 5/10 fps increase using my 750 TI as a dedicated PhysX card.

          2. it all depends if Nvidia allows you to do that since as of right now you can’t

  2. What happened to nVIDIA APEX?? That new ground breaking physX engine that was introduced in Mafia II??

  3. I wonder how they’re gonna approach the royalty payment system. What’ll happen when someone release an app or game and not inform Epic?

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