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Archive for the ‘Other’ Category

Nvidia on Real-time Physics

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Short video, covering PhysX Technology overview from Jen-Hsun Huang GTC 09 keynote, is available now on Nvidia YouTube channel (in 720p and 1080p versions).

Clip demonstrates realtime demos of SPH Fluid and multigrid Eulerian Smoke simulations.

Related materials:  GTC PhysX demos screenshots pack and GTC APEX Wall Destruction demo

Written by Zogrim

December 8th, 2009 at 7:23 pm

Posted in Other

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Nvidia Q&A roundup: PhysX will not support OpenCL or DirectCompute any time soon

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Under “Would you like to Ask Nvidia A question?” iniative Nvidia employees have answered another portion of questions, this time solely related to PhysX:

#1 – How do you expect PhysX to compete in a DirectX 11/OpenCL world?

By Tom Petersen, Director of Technical Marketing: PhysX does not compete with OpenCL or DX11’s DirectCompute.

PhysX is an API and runtime that allows games and game engines to model the physics in a game. Think of PhysX as a layer above OpenCL or DirectCompute, which in contrast are very generic and low level interfaces that enable GPU-accelerated computation. Game developers don’t create content in OpenCL or DirectCompute. Instead they author in toolsets (some of which are provided by NVIDIA) that allow them to be creative quickly. Once they have good content they “compile” a specific platform (PC, Wii, Xbox, PS3, etc) using another tool flow.

During this process game studios have three basic concerns:

1. Does PhysX make it easier to develop games for all platforms – including consoles?

2. Does PhysX make it easier to have kick ass effects in my game?

3. Will NVIDIA support my efforts to integrate this technology?

And the answer to the three questions above is: yes, yes, and yes. We are spending our time and money pursuing those goals to support developers, and right now the developer community is not telling us that OpenCL or DirectCompute support are required.

At the end of the day, the success of PhysX as a technology will depend on how easy it is for game designers to use and how incredible the game effects are that they create. Batman: Arkham Asylum is a good example of the type of effects we can achieve with PhysX running on NVIDIA GPUs, and we are working to make the next round of games even more compelling. At this time, NVIDIA has no plan to move from CUDA to either OpenCL or DirectCompute as the implementation engine for GPU acceleration. Instead we are working to support developers and implement killer effects.

#2 – Will PhysX become open-source?

Tom Petersen: NVIDIA is investing a lot of time and effort in PhysX and we do not plan to make it open source today. Of course the binaries for the SDK are distributed for free, and source code is available for licensing if game designers need it.

Only partial version is displayed. You can view full answer here

Written by Zogrim

December 4th, 2009 at 9:59 am

Posted in Other

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Tribute to Unofficial PhysX Links & Info Page

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Browsing through the web recently, I’ve found that The Unofficial PhysX Links & Info Page, oldest info website about PhysX technology (since 2005), was finally closed after several months of inactivity. Title page says:

This page will not be updated anymore.

For all things PhysX, go to physxinfo.com.

Back in early 2007 this website inspired me to start my own PhysX project, that evolved afterwards to PhysXInfo.com

Farewell !

Written by Zogrim

November 21st, 2009 at 9:58 pm

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Unreal Development Kit available for free

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UDK

Unreal Development Kit (UDK), a free version of the Unreal® Engine 3, the software development framework used to create computer and video games, 3D simulations, etc, was unnounced today. UDK is free for noncommercial and educational use, and is already available for download.

Not to mention, UDK’s physics system, like in Unreal Engine 3, is based on PhysX SDK.

You can find more details at UDK homepage or NVIDIA UDK page.

Written by Zogrim

November 5th, 2009 at 3:59 pm

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Nvidia Halloween Launch Party: taking PhysX to the next level ?

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Nvidia start to propagate invitation to Launch Party event, that will be hold at Nvidia campus in Santa Clara  on October 30. New graphics card is going to be launched (no, not Fermi), with curious promise to “take PhysX to the next level”.

hlp

Insufficient details leaves some space for speculations, but we think that new GeForce GT240, another GPU in Nvidia’s 40nm line, will be revealed. Probably – new GPU PhysX title is going to be announced too.

Update: some sources indicates that it will be dual card with GT200b (graphics) + G92 (PhysX) GPUs, like GTX275 and GTS250 combined on one PCB.

And what’s your opinion ? tell us in comments.

You can sign to event here, and view full newsletter here.

Written by Zogrim

October 21st, 2009 at 1:03 pm

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Which Physics Acceleration Technology looks more promising ?

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Expreview asked its readers recently, about which physics acceleration technology looks more promising to them.

Now, after 5 days and 281 votes, Nvidia PhysX is leading, Bullet is going second (probably, thanks to AMD users and all recent hype, as Bullet was listed as “AMD Bullet”, while being independent development),  Intel Havok comes third.

phys_pol

Polling is not over, so you still can lend your vote.

Written by Zogrim

October 19th, 2009 at 9:01 pm

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PhysX Destruction Demo from GTC: video

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User dolesistheboss uploaded nice HD video, showcasing PhysX Destruction demo from Jen-Hsun Huang GTC keynote. Description says:

The goal was to try and construct a wall similar to how it may be constructed on a movie set and break it apart in a realistic manor in real-time. In this scenario we chose to throw ragdolls at it to fracture and splinter bits and pieces off.

The demo uses PhysX 2.8.3 and a beta release of APEX Destruction.

Written by Zogrim

October 3rd, 2009 at 5:36 am

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GTC: PhysX demonstrations from Jen-Hsun Huang keynote

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During opening Keynote with Jen-Hsun Huang at GPU Technology Conference, several PhysX applications were used to demonstrate computing capabilities of new Fermi architecture. We are now able provide a little more details.

SPH-fluid simulation with Navier-Stokes solvers demo was built using 128 000 particles to create realistic realtime water behavior.

PhysX_Fluids_1 PhysX_Fluids_2

PhysX_Fluids_3 PhysX_Fluids_4

Update:

PhysX Wall Destruction demo is using APEX Destruction Module to simulate wall being destroyed by the impact of flying ragdolls. Over 10 000 rigid bodies represents debris and wall chunks – all being processed and fully self-shadowed by the GPU.

PhysX_Destruction_1 PhysX_Destruction_2

PhysX_Destruction_3 PhysX_Destruction_4

Update #2:

Video for PhysX fluid demo available

Read the rest of this entry »

Written by Zogrim

October 1st, 2009 at 8:49 am

Posted in Other

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Reminder: Nvidia interview at WJPF will start in one hour

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Interview with Nvidia about PhysX at WJPF news radio will start in one hour – at 1 PM CST.

Live stream is available at WJPF website (click “listen live” button at the right)

After the interview, Hi Tech Legion will provide more in-deph view into the PhysX technology.

Written by Zogrim

September 6th, 2009 at 9:01 pm

Posted in Articles, Reviews, Other

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Interview with Nvidia about PhysX live on WJPF news radio

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According to High Tech Legion, WJPF news radio will be airing interview with Nvidia regarding PhysX technology at September 6, 2009, 1 PM CST (GMT-6).

Live stream will be accessible via WJPF website

Additionally, recorded interview will be available for HTL readers, along with some extra materials.

Source: Hi Tech Legion

Written by Zogrim

September 3rd, 2009 at 12:48 am

Posted in Articles, Reviews, Other

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