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Archive for the ‘Demo’ tag

NVIDIA will demonstrate new GPU PhysX game at PDXLAN?

with 6 comments

NVIDIA and Gearbox are bringing something really special to PDXLAN 19.

Attendees are in for an exclusive treat that will blow your mind!!”

These welcome words can be found on official page of upcoming PDXLAN event.

Rumors are saying, that NVIDIA will demonstrate special PhysX demo of a game from Gearbox Software, running on next-gen “Kepler” GPU.

UPDATE [19.02.2012]: NVIDIA presentation was held on Saturday (18 Feb), at 5 pm.

According to some people, who was participating in the event – NVIDIA was not showing Kepler GPUs.

Intead, there were Tegra 3 presentation, giveaway contests (with T-shirts and even Transformer Prime tablets) and Borderlands 2 demo. But, unfortunately, “no word on PhysX“  support in Borderlands.

Written by Zogrim

February 13th, 2012 at 3:43 pm

Posted in PhysX Games, PhysX Hardware

Tagged with , ,

Fluid Simulation demo with OpenGL and PhysX SDK 3.0

with one comment

Very interesting PhysX Fluid Simulation demo was revealed by a user Finalspace on German Delphi OpenGL Community forum.

Update: new version is available.

Written from scratch on C++, based on PhysX SDK 3.0.2 and OpenGL, this demo is showcasing Smoothed Particle Hydrodynamics (SPH) fluid simulation in a basic environment.

However, the amount of options is appealing – you can choose from various scenes, change fluid parameters, add rigid bodies or more particles (up to 262 000), apply forces to the fluid, switch rendering modes – PhysX Fluid Simulation is a fully functional playground, more advanced than original PhysX Fluids demo from NVIDIA.

You can download PhysX Fluid Simulation v 1.2 from original thread.

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Written by Zogrim

November 9th, 2011 at 8:54 pm

Posted in PhysX Tools

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GPU Rigid Bodies in pictures

with 7 comments

Recently, we got a chance to lay our hands on a bunch of high-resolution, never-seen-before screenhots from Art Gallery demo – it was used by NVIDIA to demonstrate APEX Destruction capabilities at GDC 2011.

For you viewing pleasure.

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Written by Zogrim

November 6th, 2011 at 1:32 am

Posted in PhysX Tools

Tagged with , , ,

Physics demos from NVIDIA GTC keynote

with 13 comments

As good tradition, several interesting physical demos were presented during GTC Day 1 Keynote by Tony Tamasi, Senior Vice President Content and Technology in NVIDIA.

First one was showing some high-fidelity smoke simulation, with particles interacting fully with characters, producing nice fluid and turbulent behaviour.

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Written by Zogrim

September 21st, 2010 at 8:44 pm

Posted in Other

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Modding of PhysX Fluid Demo

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Original NVIDIA PhysX Fluid Demo is nice indeed, but it is not using fluid simulation to it’s full potential – there is only two scenes, level geometry is way too basic and water flow is too simple.

That’s why our fellow reader, known as AquaGeneral, desided to pimp Fluid Demo a little, buy replacing original models and, thus, providing more interesting usage of fluid sim.

[08.01.2011] Update: new model – “Two Story Building” – available. Mod reuploaded.

Update #2: If you want to create custom level to yourself, please refer to PhysX Fluid Demo Modding Guide.

Three new variants of initial “Pumping Station or something” scene were added:

1 – “Building”

2 – “Pool”

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Written by Zogrim

September 17th, 2010 at 2:07 pm

Posted in PhysX Tools

Tagged with ,

Mafia II Demo: tweaking PhysX performance

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Yes, all that dynamic clothing and particle effects are cool, but actuall performance of Mafia II with APEX PhysX effects set on “Medium” or “High” isn’t very fascinating – even GTX 480 users may met some annoying fps drops and lags. Fortunately, there is a way to tweak APEX content a little.

Note: Interested in how exactly APEX Framework is being used ? Visit Mafia II GPU PhysX profile page for additional information.

Important: Mafia II may have some issue with PhysX System Software installation. If you experiencing major slowdowns, reinstall it using 9.10.0512_SystemSoftware package from \Steam\steamapps\common\mafia ii – public demo\3rd folder.

You also may wanna try new 9.10.0513 PhysX drivers

PART I – APEX CLOTHING

Most performance is devoured by APEX Clothing module (why ? because it is running on CPU, not on GPU), that is responcible for realistic clothing simulation on main and several NPC characters.

Update: tweaking APEX Particles effects

Update #2: following tweaks will work with final version of Mafia II

1) Disabling all clothing

If you can live without flowing Vito trenchcoat and woman’s skirts, you can simply follow the path

\Steam\steamapps\common\mafia ii( – public demo)\edit\APEX

and delete (don’t forget to backup) directory named as

Cloth

This will remove  certain APEX assets, and all character clothing will revert to static skinned mesh (like with APEX set to “Off“), but all particle effects will stay !

Result ? No more realistic cloth, but huge fps increase. 70 average fps vs 25 fps without this trick (APEX set to High, single GTX470 is used, GPU PhysX enabled).

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Written by Zogrim

August 11th, 2010 at 1:38 am

Posted in PhysX Games

Tagged with , , , ,

Mafia II Benchmark: PhysX Comparison

without comments

If you haven’t played Mafia II demo, and still wondering what are differences between APEX PhysX effects setting, we have prepared a small video, showcasing several APEX settings using built-in benchmark.

Update: Tweaking PhysX in Mafia II – huge fps increase without noticable difference.

Update #2: comparison PhysX videos for final version, covering APEX Clothing and APEX Particles modules usage in details.

As you may notice, when APEX is set to “High” – a lot of dynamic particles (impact debris, chunks from explosions, smoke) are added, and simulated clothing for characters as well. Detailed effects description is available here.

Unfortunately, this one is not even close our usual detailed comparison videos, so – our apologies.

Full scale APEX Effects comparison is planned only after Mafia II release.

Written by Zogrim

August 10th, 2010 at 7:31 pm

Posted in PhysX Games

Tagged with , , ,

Mafia II Demo: PhysX Usage

with 32 comments

While you are waiting for Mafia II Demo, planned to be released just in a few hours, you can read the preview of APEX/PhysX content, prepared by Techgage in their “Taking a Look at Mafia II and its PhysX Use” article.

Demo includes “Benchmark” mode, and that’s how it’s look like:

Update: Our PhysX Comparison video using built-in benchmark. In addition, APEX comparison and showcase videos roundup.

Update #2: Tweaking PhysX in Mafia II – huge fps increase without noticable difference.

Update #3: Mafia II Demo – PhysX Benchmarks roundup

Update #4: Mafia II GPU PhysX profile – comparison video, screens and other additional info.

APEX/PhysX Features:

  • Physically simulated clothing for main character and additional characters
    • Custom wind simulation that creates a more dynamic movement of clothing as the characters walk around and interact with the environment.
    • Force fields from explosions and interact with clothing, making those explosive moments even more immersive
  • Up to 3,000 unique particles on screen at any given time (10,000 at High settings).
  • Particle effects including dynamic collision, mass and kinetic simulation, and force fields from explosions that move and displace particles along its path.
    • Destruction particle debris from cement, wood, glass, dirt, and more
    • Weapon impact that creates dynamic smoke and kinetic persistent particles
    • Garbage moves and exists in the world of Empire Bay and reacts to effects like force fields and character interactions
    • Tire burnout while driving produces dynamic smoke and particles including fluid movement simulation and particle velocity and trajectory
  • Character clothing on all character models is rendered entirely on the GPU when using a dedicated PhysX card which can be anything from a GT 240 to a GTX 480.

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Written by Zogrim

August 10th, 2010 at 10:24 am

Posted in PhysX Games

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Nvidia PhysX Fluid Demo upgraded to ver. 1.0.1.3.

with 12 comments

For those of you who are still playing with old Nvidia PhysX Fluid Demo (version 1.0.0.9, released in 2008 with first PowerPack) Nvidia has prepared a new, slightly updated variant – PhysX Fluid Demo ver. 1.0.1.3.

Update: Modding of PhysX Fluid Demo

Release notes:

  • Allocate only 64MB of VRAM heap instead of 128MB
  • Adjusted text output to not conflict with the PhysX Visual Indicator
  • Added option to toggle the display of all text (in screen space) on/off.

You can download PhysX Fluid Demo ver. 1.0.1.3. from here (19 mb)

Alternative download from physxfiles.com (virustotal report).

Written by Zogrim

August 4th, 2010 at 2:43 pm

Posted in PhysX Tools

Tagged with ,

Supersonic Sled Demo available for download

with 8 comments

Supersonic Rocket SledDX11 and PhysX technology demo from Nvidia is finally available for download (221 mb). Unfortunately, you won’t be able to run it until you have GTX 400 Series GPU.

You can download Supersonic Sled demo from here

Written by Zogrim

March 27th, 2010 at 1:39 pm

Posted in Other

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