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PhysX<br />
김경중
Physics Engines<br />
Real-time<br />
13<br />
• Video games<br />
High precision<br />
• Slow<br />
• Film<br />
• Scientific computing<br />
Half-life 2
Real-time Physics Engines: Open Source<br />
Open Dynamics Engine (ODE)<br />
Bullet<br />
SOFA<br />
and several others<br />
14
Real-time Physics Engines: Commercial<br />
Havok (Ireland) (now Intel)<br />
Physx (formerly NovodeX, now nVidia)<br />
Vortex (Montreal)<br />
15
Real-time simulation<br />
Speed more important than accuracy<br />
Objects have two<br />
representations:<br />
16<br />
• Complex geometry<br />
(rendering)<br />
• Simplified geometry<br />
(collision detection,<br />
dynamics)
Physics Processing Unit<br />
Dedicated physics<br />
co-processor<br />
SPARTA and HELLAS<br />
• academic<br />
• Penn State, Univ. of Georgia<br />
Ageia (Switzerland, 2006)<br />
• later merged into nVidia<br />
• use AGEIA's PhysX SDK<br />
17
OptiTrack<br />
김경중
광학식 모션캡쳐 시스템
References<br />
http://run.usc.edu/cs599s10/havok/cs599_sp10_havok.ppt<br />
http://www.ode.org/slides/slides.html<br />
Door C&M (http://www.doorcom.net/)
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