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Archive for the ‘PhysX Games’ Category

Mafia II Demo: PhysX Benchmarks roundup

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Mafia II demo version was released only few days ago, but several websites have already prepared some benchmarking and testing articles, focused on APEX PhysX part of the game.

Update: Mafia II Final version – PhysX Reviews roundup.

[11.08.2010] Mafia II – Public Demo GPU test by gamegpu.ru

Russian article. Includes game overview and detailed testing part, with various settings and used ATI/NV GPUs.

[11.08.2010] Mafia II Performance Benchmarks: PhysX and 3D Vision Tested by HiTechLegion

Decent review, with some PhysX benchmarks. Author’s conclusion – “I would rather trade graphical quality than play the game in its highest settings with PhysX disabled.”

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Written by Zogrim

August 12th, 2010 at 12:34 pm

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

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Mafia II Benchmark: PhysX Comparison

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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

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Mafia II Demo: PhysX Usage

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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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The Technology of Mafia II

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New “Behing the scenes” video, covering technological aspects of Mafia II engine merges today on GameTrailers.

It includes several details on animation, AI, lighting system, and, of course, physics engine and destructible environments (which are based on PhysX SDK too) – but, unfortunately, no new information about GPU PhysX/APEX content.

Written by Zogrim

August 4th, 2010 at 10:32 pm

Posted in PhysX Games

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PhysX: Crank That S#!t Up contest video

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User elliottad (also known as mohawkade at our forums) has uploaded nicely composed GPU/PPU PhysX showcase video as entry for Crank That S#!t UP contest, hosted by Firing Squad and NVIDIA.

As nice addition, video includes few scenes from decent, but now completely forgotten PPU PhysX titles, like Stoked Rider: Alaska Alien, Bet on Soldier, Infernal and Switchball.

Worth watching :)

Written by Zogrim

August 4th, 2010 at 12:28 pm

Posted in PhysX Games

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Mafia II: PhysX screenshots set

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In recent days, some websites have revealed new visual content from Mafia II title, and suprisingly, certain amount of screenhots is from PC version, with additional APEX/PhysX effects enabled.

We formed a gallery from most demonstrable of them, and here is the result:

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Written by Zogrim

August 2nd, 2010 at 4:38 pm

Posted in PhysX Games

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Mafia II: Developers Interview

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With Mafia 2 coming closer to it’s release, hype atmosphere is getting hotter, and apart from other materials you can find on the web, PC Games Hardware has published decent interview with Denby Grace from 2K Czech on several Mafia’s engine features, and PhysX part specifically:

PC Games Hardware: Are there any differences between the Console and the PC Version of Mafia 2 as far as technical as well as visual aspects are concerned, for example GPU accelerated PhysX effects?

Denby Grace: You hit the nail on the head. The biggest difference is the GPU enabled physics effects. While on a system without GPU (consoles and ATI cards), the game will have a great PhysX simulation with particles and cloth, however, if you have the extra hardware we are able to push things to a whole new level which has not yet been seen in open world game before.

Our destructible environments feature thousands of physical particles which in turn can be affected by individual explosion force fields to make them move. It’s all very impressive and it’s these kinds of improvements that high end PC gamers can expect.

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Written by Zogrim

July 23rd, 2010 at 10:00 am

Mafia 2 Official PC Specs: dedicated PhysX GPU recommended

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2K Czech has revealed requirements and recommendations for Mafia 2 PC version:

MINIMUM SYSTEM REQUIREMENTS
Operating System: Microsoft Windows XP (SP2 or later) / Windows Vista / Windows 7
Processor: Pentium D 3Ghz or AMD Athlon 64 X2 3600+ (Dual core) or higher
RAM: 1.5 GB
Video Card: nVidia GeForce 8600 / ATI HD2600 Pro or better
Hard Disc Space: 8 GB
Sound Card: 100% DirectX 9.0c compatible sound card
Peripherals: Keyboard and mouse or Windows compatible gamepad

RECOMMENDED SYSTEM REQUIREMENTS
Operating System: Microsoft Windows XP (SP2 or later) / Windows Vista / Windows 7
Processor: 2.4 GHz Quad Core processor
RAM: 2 GB
Video Card: nVidia GeForce 9800 GTX / ATI Radeon HD 3870 or better
Hard Disc: 10 GB
Sound Card: 100% DirectX 9.0c compliant card
Peripherals: Keyboard and mouse or Windows compatible gamepad

PHYSX/APEX ENHANCEMENTS SYSTEM REQUIREMENTS
Operating System: Microsoft Windows XP (SP2 or later) / Windows Vista / Windows 7
Minimum Processor: 2.4 GHz Quad Core processor
Recommended Processor: 2.66 GHz Core i7-920
RAM: 2 GB

Video Cards and resolution: APEX medium settings
Minimum: NVIDIA GeForce GTX 260 (or better) for Graphics and a dedicated NVIDIA 9800GTX (or better) for PhysX
Recommended: NVIDIA GeForce GTX 470 (or better)

Video Cards and resolution: APEX High settings
Minimum: NVIDIA GeForce GTX 470 (or better) and a dedicated NVIDIA 9800GTX (or better) for PhysX
Recommended: NVIDIA GeForce GTX 480 for Graphics and a dedicated NVIDIA GTX 285 (or better) for PhysX

NVIDIA GPU driver: 197.13 or later.
NVIDIA PhysX driver: 10.04.02_9.10.0522. Included and automatically installed with the game.

Written by Zogrim

July 9th, 2010 at 10:19 am

Posted in PhysX Games

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PhysX powered Carmageddon XNA remake

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Indie developers community can always bring nice surprises.

Update: OpenCarmageddon early beta released

In this particular case,  Jeff Harris is making remake of classic Carmageddon 1 using XNA and PhysX SDK – alone, and has reached pretty remarkable results, as you may see from following video:

Core features like deformation and repair systems, opponent’s AI, paticle effects, nice tuned car physics are already implemented.

You can watch over Carmageddon XNA remake development process on Jeff’s blog – 1am  Studios.

Written by Zogrim

July 1st, 2010 at 3:20 pm

Posted in PhysX Games

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