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AGEIA发布了最新的PhysX物理加速卡ver 2.5.0版本驱动程序，强烈建议拥有此卡的朋友更新使用。驱动通过Windows Hardware Quality Labs (WHQL)认证，支持微软Windows XP Home、MEC、Professional等32bit版本操作系统。暂时并没有64bit操作系统的驱动，不过AGEIA表示将于九月份推出适用于64bit系统的新驱动，玩家们要耐心等待一下。
官方直接下载地址：http://www.ageia.com/drivers/PhysX_2.5.0_SystemSoftware.exe
Hardware/Software Rigid Bodies
* Enhanced Rigid Body Sweep operation * Improved sleeping object/actor operation * Fine grain multi-threading * Greatly raised object and joint limits * Dynamic hardware acceleration management * Adaptive force improvements * Improved pulley and joints force propagation
Hardware Fluids
* Improved SPH implementation * Fluids depth smoothing * Multiple fluid surfaces * User defined particles supported * Fluid interactions with rigid body. * Note: There are workarounds to get the same effect.
Hardware Cloth
* Application control of stretching and bending resistance parameters * Advanced two way rigid body interaction with cloth * Attachments to cloth * Application controllable cloth damping and friction * Cloth tearing simulation * Cloth pressure simulation
Performance
* Increased Hardware cloth & fluids * Faster sleeping objects processing * Reduced CPU impact of sleeping objected * New friction simulation * Narrow phase optimizations