Rigs of Rods
I've been watching videos from Channel 9 lately, especially those featuring Brian Beckman. He is a former physicist now working at Microsoft. His videos mostly deals with functional programming, but last night I watched one called The Physics in Games in which he mentioned this awesome project, Rigs of Rods. It is a truck simulation game with fantastic physics. But rather than combining domain-specific physics like rigid body simulation, tire and engine physics, only one simulation method is used. All models are built up by masses connected by springs and dampers. Watch this awesome video:
A couple of years ago I did a similar simulation, although I only simulated a single cube falling on a single triangle. I had no dampers and I used forward euler integration, so it was not very stable either. This was before I learned "how to do simulations", but maybe that was the right track after all.. I just wished I had continued that project. Back then I actually had time for such things..
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© 2008 Markus Johnsson