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Archive for May 19th, 2011

ARMA 3 will use PhysX engine

with 4 comments

Recently opened website of ARMA 3, new game in a series of battlefield simulators from Bohemia Interactive, has revealed that PhysX SDK has been chosen as physics simulation solution for this title.

Physical simulation & improved animations

Take advantage of PhysX™ supporting the vehicle simulation, in-game interactions and the revamped animation system.

However, it is yet unknow if PhysX (likely SDK 3) was implemented to handle CPU oriented physics only (which is good in any case – previous games even haven’t ragdolls or rigid bodies) or ARMA 3 will feature support for GPU accelerated physics as well.

ARMA 3 is scheduled for release exclusively for PC in Summer 2012

Written by Zogrim

May 19th, 2011 at 7:56 pm

Posted in PhysX Games

Tagged with , ,

PhysX Research: Eulerian Water Simulation and Solids through Oriented Particles

with 4 comments

Two new research papers have landed on a homepage of Dr. Matthias Müller-Fischer, PhysX SDK Research Lead in NVIDIA and NovodeX co-founder.

Fisrst one, called “Real-Time Eulerian Water Simulation Using a Restricted Tall Cell Grid“, presents further impovements to the real-time hybrid fluid solver, that we were able to see in recent demos like Lighhouse and Raging Rapids Ride.

Abstract:

We present a new Eulerian fluid simulation method, which allows real-time simulations of large scale three dimensional liquids. Such scenarios have hither to been restricted to the domain of off-line computation. To reduce computation time we use a hybrid grid representation composed of regular cubic cells on top of a layer of tall cells. With this layout water above an arbitrary terrain can be represented without consuming an excessive amount of memory and compute power, while focusing effort on the area near the surface where it most matters. Additionally, we optimized the grid representation for a GPU implementation of the fluid solver.

To further accelerate the simulation, we introduce a specialized multigrid algorithm for solving the Poisson equation and propose solver modifications to keep the simulation stable for large time steps. We demonstrate the efficiency of our approach in several real-world scenarios, all running above 30 frames per second on a modern GPU. Some scenes include additional features such as two-way rigid body coupling as well as particle representations of sub-grid detail.

We badly want to see this one in further releases of PhysX SDK 3 or APEX.

Read the rest of this entry »

Written by Zogrim

May 19th, 2011 at 10:54 am

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