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Amazing "Cloth Physics" Simulator

custom-logic.com — This is a really cool cloth physics simulator.

Who dugg this? Made popular Feb 12, 2008

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142 Comments

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  • scooterbaga, on 02/12/2008, -6/+129I love me some cloth physics...

    ...can't seem to find any cloth made from little solid triangles to confirm the simulation though...
  • paulg2000, on 02/12/2008, -11/+84Wow, that really "blows" :-)
  • inactive, on 02/12/2008, -1/+49http://aycu08.webshots.com/image/41687/20054163128 ...
    SCIENCE
  • KingGorilla, on 02/12/2008, -1/+44Have you tried adding chloroform and a pretty lady to the mix?
  • avions, on 02/12/2008, -1/+41Here you go: http://mocoloco.com/archives/005086.php
    Please get back to me with the results.
  • Hakisaki, on 02/12/2008, -4/+38I've never had this much fun with cloth!
  • Porch, on 02/12/2008, -1/+33I am trying really hard to get the towel stuck in the fan. No luck yet.
  • dinostabOMG, on 02/12/2008, -1/+33Yeah, there's tons of fun to be had with cloth in the great outdoors.
  • danwallace, on 02/12/2008, -1/+29Can your cat?
  • bryanricker, on 02/12/2008, -4/+32that was a pretty unrealistic cloth simulator. If it's going to make the front page of digg, I'd at least hope that it would be better than that.
  • inactive, on 02/12/2008, -5/+31you "suck"
  • iChainsaw, on 02/12/2008, -3/+24Well ok...are you sure this isn't a rubber sheet simulator?
  • BigCheezy, on 02/12/2008, -4/+2410x better: http://physbam.stanford.edu/~fedkiw/
  • Sartic, on 02/12/2008, -16/+36Yay, that was boring!
  • glitchbit, on 02/12/2008, -2/+22This will save lives.
  • gordmoo, on 02/12/2008, -20/+39I'm sorry but every one and their cat can implement a cloth physics system, its widely documented and extremely easy to implement. this is nothing special on so many levels, yes digg me down for saying this but honestly things like this don't deserve to be on the tech front page, whats next, first year programming student writes pong game?
  • rhyss, on 02/12/2008, -0/+16Damn you MATH! We meet again! For hates sake I stab at thee.
  • phronko, on 02/12/2008, -0/+13warmpth?
  • Laminarcissus, on 02/12/2008, -0/+13Until you were blown by a fan?
  • hello2usir, on 02/12/2008, -4/+16You should probably leave the house every once in awhile.
  • cdnbmatt, on 02/12/2008, -3/+14Odd.... I have a cat and I can't do this.
  • letaalio, on 02/12/2008, -0/+11Any useful / interesting links to a good how-to?
  • w3bsmith, on 02/12/2008, -3/+12I like it, but of course I'd like the source code to explore with better.
  • poptartrevival, on 02/12/2008, -1/+10would you REALLY want to see someone only wearing dots on springs?
  • rojano17, on 02/12/2008, -0/+9Yeah bump mapping would be great in games too...
  • Remmy, on 02/12/2008, -0/+9The difference being this is done in real time where you're link is rendered outputs.
  • Gabberwok, on 02/12/2008, -0/+8I'm sure it's pretty basic at the point level. Just Hooke's law (f = -kx) describing the tension in each edge, and then an additional factor for the wind catching the triangles (dot product of the wind vector and the area vector for the triangles) which would be added to the tension at the edges - I'll admit I'm blanking on how exactly you would do that (it's been awhile since my last physics course), but it can't be too difficult. You then get values for the acceleration of each of the individual points which combined with velocity and position should be enough to make the simulation. The topology of the sheet could get tricky if he let you twist it more, but that's why you can only fix three points at a time (if you try to twist it I think he cheats and brings it back to the original orientation). And then of course all of the little things that make it pretty are usually surprisingly difficult to implement...
  • Laminarcissus, on 02/12/2008, -0/+8What do you mean? I have an entire suit made out of dots on springs.
  • Hobbes24, on 02/12/2008, -2/+10triangle cloth provides excellent warmpth on cold nights, and it wicks away moisture during the summer!
  • GriffBroChill, on 02/12/2008, -4/+12horrier for fourier!
  • inactive, on 02/12/2008, -1/+9lol cloth in games is way beyond this
  • louiemantia, on 02/12/2008, -2/+10I don't think this is very accurate. If you take the bottom corner and stretch it and let go it seems more like elastic.
    Even just touching it without dragging it is way too dramatic.
  • omenmedia, on 02/12/2008, -0/+7Towelie 3000 is about to leave the drawing board.
  • dvsbastard, on 02/12/2008, -3/+10Next will be 'Amazing "Hello World" text display in browser!' :P
  • Laodicean, on 02/12/2008, -1/+8Haha! Great comment - I signed on just so I could digg you.
  • phronko, on 02/12/2008, -0/+6That's the creepiest comment I've ever seen.
  • itsradBrad, on 02/12/2008, -3/+9I like making a big sail and ramping up the fan speed.

    Entertaining for a few seconds.
  • MacGyver2210, on 02/12/2008, -1/+7It works bitches!
  • Amablue, on 02/12/2008, -0/+6He's right though. I can do this in real time too with C and OpenGL. It's nothing really unique or special, it's just pretty and done in flash.
  • acela1012, on 02/12/2008, -0/+5Armadillo Run! Great game...
  • dikwad, on 02/12/2008, -0/+5old school, I like it!!
  • dcd722, on 02/12/2008, -1/+6dont feed the trolls
  • almondfilter3, on 02/12/2008, -2/+7Talking about yourself obviously.
  • Xanaver, on 02/12/2008, -0/+4It is armadillo run and they have WAY better simulations than this pile of crap.
    http://www.youtube.com/watch?v=HBAg8_fAfHE&feature ...
    for a video showing off the game.
  • oilcan, on 02/12/2008, -3/+7fun to mess with for 30 seconds, but I can honestly say I have never in my life ever seen an actual real cloth move like that thing.
  • zapa, on 02/12/2008, -0/+3half-life 2 anyone?
  • Hollowpoint, on 02/12/2008, -0/+3arm flailing...
  • Blandyman, on 02/12/2008, -6/+9I guess the fact you don't realize the difference between precalculated frames in a CGI animation or real-time simulations in FLASH really shows how little you pay attention.

    It's nice you gave him kudos, but a little more than a "what the hell, at least it's finally there!" is due for this guy.
  • AndrewDB, on 02/12/2008, -1/+4I like turtles.
  • kamk2k8, on 02/12/2008, -0/+3cool, cloth, and physics, three words i could swear i would never see in the same sentence....
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