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Last Updated:
03
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30
/
2009
NVIDIA PhysX SDK Features
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PhysX Features
 NVIDIA PhysX provides game
physics solutions for a variety of platforms including PC and all current major game
consoles, in both software and hardware-accelerated configurations.
- Features Include:
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The rigid body dynamics component enables you to simulate objects
with a high degree of realism. It makes use of physics concepts
such as reference frames, position, velocity, acceleration,
momentum, forces, rotational motion, energy, friction, impulse,
collisions, constraints, and so on in order to give you a
construction kit with which you can build many types of mechanical
devices.
- Collision primitives (sphere, box, capsule, plane, heightfield, convex
- Various joints types (spherical, revolute, prismatic, cylinders, fixed,
- Advanced ragdoll, with joints, creation and editing
- Materials and friction model in support of surface collision
- Continuous Collision Detection support for fast moving objects
- Raycast, sweep, trigger, and overlap test collision detection
- Collision groups + Collision Filtering – enable/disable collision
- One-way interactions (Body ‘X’ can effect body ‘Y’ but not
- Contact report allowing developers to trigger both alternate actions
when specific objects interact or modify behavior of various
contacts
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Character Controllers is mainly used for third-person or
first-person player control that does not make use of rigidbody
physics.
- Auto-stepping feature
- Walkable parts
- Character Controllers are provided in source code so developers can
tailor behavior to match differing needs
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NVIDIA PhysX SDK has fully capabilities to simulate real-life vehicles.
- Raycast Cars – single rigid body
- Spherical Wheel shapes – sophisticated tire friction model
- Joint-based suspension – complex steering & suspension geometries
- Lightweight simulation
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NVIDIA PhysX SDK is optimized for single and multi-core PC, Xbox
360, Playstation®3 and the PhysX Accelerator
- Available now for PhysX-Ready GeForce Processors
- Support for AGEIA PhysX Accelerator
- Fine-grain multithreading control
- Asynchronous Stepping support
- Performance Profiler Support (AgPerfMon)
- PS3 and Xbox 360 Optimizations
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Fluids allow the simulation of liquids and gases using a particle
system and emitters.
- SPH (Smoothed Particle Hydrodynamics) or simple (without
- Possibility for the user to control the simulation of each
- One-way and Two-way interaction with rigid bodies/cloth/softbodies
- Permits simulation of explosions and debris effects
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The cloth feature of the NVIDIA PhysX SDK allows for simulation of
items made from cloth, such as flags, clothing, etc.
- Cloth Attachments
- Self-collision support
- Cloth tearing and Cloth pressure (simulation of balloons or other soft
- Metal Cloth mode support to simulate deformation like dents in barrels,
car bodies, or metal doors
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The soft body feature of the NVIDIA PhysX SDK allows the simulation
of volumetric deformable objects. It can also be used for items
that are not usually thought of as classical soft bodies, such as
plants or multiple layers of cloth.
- Soft Bodies Attachments (fixed joints/shapes)
- NVIDIA PhysX Viewer for easy soft body creation
- Soft Bodies Self-collision and damping support
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Force fields are SDK objects akin to actors, which affect cloth,
soft bodies, fluid and rigid bodies that enter their area of
influence. Force fields allow you to implement for example gusts
of wind, dust devils, vacuum cleaners or anti-gravity zones.
- Various Force Fields shapes (sphere, capsule, box, convex mesh)
- Force Functions to control both amount and direction of force
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