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Get to know AlecRivers...  
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Nickname AlecRivers 
State/Province, Country NY   United States
GD Gathering City New York, NY, United States
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Homepage URL http://www.alecrivers.com 
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Member Since 10/13/2006 1:05:35 AM
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Some recent topics started on our forums
RealMatter Soft Body Physics Engine RealMatter A fracturing soft body physics engine These are screenshots from a demo of the RealMatter physics engine, which can simulate deformable, fracturing materials such as rubber and flesh. The RealMatter engine is based on original res... 
Posted October 13, 2006 12:04:34 PM
FastLSM soft body physics (source code available) FastLSM Soft Body Physics Engine Here I'm showing some screenshots from soft body physics simulations using a new algorithm called FastLSM, which I developed with Professor Doug James at Cornell University. The main screenshot shows a solid and a... 
Posted September 24, 2007 9:45:27 AM
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Some recent replies made on our forums
DrawImage zoomed pixel offset problem FYI, I had this problem and found a workaround. This appears to be a bug with the NearestNeighbor interpolation method when you are dealing with zoomed-in images: for me, the top and left sides lose half a pixel. My workaround was simply to create a... 
Posted August 9, 2010 12:34:47 AM
RealMatter Soft Body Physics Engine RealMatter has been updated to support fracturing rigid bodies (e.g. buildings); check it out at http://www.alecrivers.com/realmatter Cheers, Alec 
Posted May 29, 2010 4:18:50 PM
FastLSM soft body physics (source code available) Yes, that may be so. FastLSM does not introduce soft body physics as a new class of simulation; it just provides a faster algorithm for doing soft body physics. In my opinion, it is sufficiently faster to make using deformable materials on a wid... 
Posted November 25, 2007 10:55:19 PM
FastLSM soft body physics (source code available) Thanks for pointing that out re the Buddha model, (I had not noticed that paragraph on the website,) but I think we're in the clear (despite, apparently, transgressing the letter of the law). The Buddha model has been a standard model for deform... 
Posted November 19, 2007 9:48:43 AM
FastLSM soft body physics (source code available) The method itself supports regions of different rigidity, but I think the source code I published by default takes only one rigidity. It should be pretty easy to change -- just set different "w" values for each location in the lattice. 
Posted November 12, 2007 9:12:56 AM
FastLSM soft body physics (source code available) It does support solid models colliding and fracturing, but I have not yet implemented the code to update full meshes based on fracture. (Right now the fracturing is rendered using the particle view.) To do so you'd need to generate polygons to c... 
Posted September 26, 2007 12:10:23 AM
FastLSM soft body physics (source code available) Thanks! @kumikana: maybe you saw this already, but yeah, the 3D version also has the source code released; that's the "programming library" download. The 2D version may be easier to experiment with though as it's in friendly C# whereas the other is i... 
Posted September 24, 2007 10:27:25 PM
Angels 22: Rise of the New Soviet Republic This game looks fantastic. My only complaint would be this: velikaya revolutsiya o kotoriy tak dolga razmishlyali Bolsheviki sovershilas! You've got us playing on the wrong side. Also, I've just played the demo, am I correct in thinking tha... 
Posted March 7, 2007 12:28:55 PM
Roblox - Haunted Mansion Fantastic. Really, really great. This game is incredibly innovative. It implements fully destructible environments, exactly as everyone has been talking about and no one doing. The scripting and vehicle support just make it even better. It's... 
Posted October 31, 2006 10:36:42 PM
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