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Archive for the ‘Exclusive’ tag

How PhysX is used in Breach: Interview with Atomic Games

with 4 comments

This week our undivided attention is focused PhysX SDK based multiplayer shooter Breach, notable for its pervasive and complex dynamic destruction system.

Update: PhysX and Breach: Final Verdict

Breach and PhysX - Interview

We’ve contacted Atomic Games, developers of Breach, to get more background on PhysX implementation and technical aspects of in-game physics. Mark Davidson, director of core technologies, was kind enought to answer some of our questions:

PhysXInfo.com: Destruction system and physics in general – what do they mean for Breach? Are they just a cosmetic features or integral part of the gameplay?

Mark Davidson: Destruction in Breach defines the game. It’s not just a facet of game play; it is the core mechanic, the soul. Everything revolves around it, how to attack, how to defend, where to take cover, these choices are all driven by the destructible nature of the environment.

The fact that almost anything on the battlefield can be destroyed means physics play a pivotal role in how any skirmish plays out. We have gone way beyond swapping models for a destroyed version, In Breach you are physically affecting elements of the world and forcing other players to react to that.

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Written by Zogrim

January 25th, 2011 at 1:16 am

Metro 2033: Interview with 4A Games on physics.. and PhysX

with 3 comments

Lately, Metro 2033 is more and more often referred as starting title for new GF100 GPUs from Nvidia – due to it’s truly next-gen graphics engine, with DX 11 support and, of course, intensive usage of Physx SDK and hardware accelerated PhysX effects – aspect we are most interested in.

Yuriy Saschuk, 4A Games engine programmer, has joined us today to answer some questions about Metro 2033 in-game physics in general, and PhysX specifically.

PhysXInfo.com: How much physics is involved in gameplay ? Do players have ability to carry physical objects or drag corpses ?

Yuriy: Physics in Metro 2033 has more demonstrative, than gameplay affecting, nature. It’s supposed to enhance game, make it more diverse, realistic and exciting. But actual gameplay isn’t focused on physics.

You can’t carry or throw objects – we’ve decided that there is no need for this, but enemies (and player too) can receive damage as result of certain physical interactions.

PhysXInfo.com: Will Metro 2033 contain destructible objects, and in what quantity ?

Yuriy: Our engine supports destructible environments, and this component is used in the game.

PhysXInfo.com: Tell us a bit about hardware PhysX support in the game. Presence of appropriate Nvidia GPU will simply increase the fps numbers or add some exclusive effects ? Will GPU PhysX content have influence on gameplay ? Which advanced physics effects will be included ?

Yuriy: PhysX hardware acceleration capability of Nvidia GPUs will add performance in the first place. There are two physics modes in Metro 2033 – basic and so-called, “Advanced PhysX”, which will include both enhanced, more detailed effects from basic mode and some additional physics features. Advanced PhysX mode requires appropriate Nvidia GPU to run properly, meanwhile, it will not affect gameplay, just add some immersion.

Or engine support cloth and fluid simulation. By “fluid simulation” we imply various particles system, like lighter- and heavier-than-air gases, smoke, dust, debris from bullet hits, not only liquids.

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Written by Zogrim

February 4th, 2010 at 11:46 pm

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