Interesting video at:
http://www.youtube.com/watch?v=wWjSJ0PHqf8&eurl=
Shows massive "rigid particles" simulations at reasonable fps running on the GPU.
Oscar
Havok 4.0 video
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Good point!
:-)
But seriously - doing that vast number of objects seems quite do-able with GPU-based physics - the performance shouldn't be hard to achieve once we figure out how to get all of the algorithmic steps wedged into the slightly peculiar restrictions of the shader processors.
I think we have a good handle on the "how" of making that happen in Bullet - it's more or less just a matter of finding enough brain-cycles to get it all in there...the problem being that the only two people working it are both utterly swamped with other work right now.
:-)
But seriously - doing that vast number of objects seems quite do-able with GPU-based physics - the performance shouldn't be hard to achieve once we figure out how to get all of the algorithmic steps wedged into the slightly peculiar restrictions of the shader processors.
I think we have a good handle on the "how" of making that happen in Bullet - it's more or less just a matter of finding enough brain-cycles to get it all in there...the problem being that the only two people working it are both utterly swamped with other work right now.