Finally, This Table Cloth Pull is Now Possible! 🍽

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  • Published on Dec 6, 2021
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    📝 The paper "Codimensional Incremental Potential Contact (C-IPC)" is available here:
    ipc-sim.github.io/C-IPC/
    Erratum:
    The cover page in the first frame of the video is from a previous paper. It should be pointing to this: ipc-sim.github.io/C-IPC/file/...
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Comments • 144

  • Two Minute Papers
    Two Minute Papers  5 months ago +64

    Erratum: The cover page in the first frame of the video is from a previous paper. It should be pointing to this: ipc-sim.github.io/C-IPC/file/paper.pdf
    Apologies!

  • morn1415
    morn1415 5 months ago +182

    Ok, I have watched this channel for a long time and got my mind blown several times (holding on to a cubic meter of papers meanwhile).
    THAT is crazy and useful beyond belief. How is this even possible? Something that thin? How long does it calculate? I´m baffled right now. Investigating...

    • GiveToReceive
      GiveToReceive 5 months ago +1

      I remember in approx 2007 when raytracing was in a paper and they had a photo of realistic rendering of a room. I read it and said to my self this is the future. Back then it took hours or more to make a single image and with RTX cards it became a thing. I conclude we will have high grade simulation for everyone soon, like we can do graphics today with Unreal or Blender and have SDKs for programmers.

    • Remy Note
      Remy Note 5 months ago +4

      @Jib Cot On a CPU, not on a GPU. Also, tech-wise we're still in the early days.

    • Jib Cot
      Jib Cot 5 months ago +1

      He does say it is taking minutes per frame to calculate, the noodles and sand on sheet look amazing but are currently taking around 10 mins per time step.

    • morn1415
      morn1415 5 months ago +12

      @T4CO G4M3 And that´s exactly the reason why the probability that our reality is not simulated is low. Just a project in the bag of some student from a reality having a different timescale and extent. :)

    • T4CO G4M3
      T4CO G4M3 5 months ago +17

      i love how technology is essentially progressing enough to be capable of creating a new layer of reality, physics, characteristics and interactions of objects in a virtual world have progressed so far, at a certain point in the future, say, with games, and more specifically, a shooter game, we wont need programmers to program "damage", "recoil" or "fire rate". just the characteristics of the weapon and ammunition within it, etc etc, and just let it off to do its thing

  • Jody Mitoma's Videos
    Jody Mitoma's Videos 5 months ago +142

    It's insane how realistic this is. This is mind-blowing. Thank you for sharing all of the data & beautiful visuals as always! 🥰

  • RDB
    RDB 5 months ago +61

    In the eaarly 80's I remember repeatedly reading a picturesque book I loved describing the future of gaming and one of the predictions being detailed full color LCD. These videos fill me with the same kind of amazement. 😎

  • Volt Cruelerz
    Volt Cruelerz 5 months ago +36

    This has to be up there in the like top five most impressive papers covered by this channel. This is *really* impressive.

    • Two Minute Papers
      Two Minute Papers  5 months ago +4

      You are very kind. I loved it too - thank you so much! 🙏

  • Alfredo Arias
    Alfredo Arias 5 months ago +19

    The whole thing is mind-blowing, but the twisting cloth actually made me say "wow" out loud.

  • JDF
    JDF 5 months ago +59

    isn't this like really huge? I've always heard of clipping problems from others and this paper literally fixes that!!! Can't wait until this utilizes the GPU instead of the CPU 😁

  • Alper
    Alper 5 months ago +50

    Imagine this quality and RTX and haptic gloves in VR!!! My God I want Matrix to be real before I die.

    • Citizen of Nowhere
      Citizen of Nowhere 5 months ago

      How do you know it’s not real already? 😳🤯

    • Alper
      Alper 5 months ago +1

      @Panzer Of The Lake Give it a try. It's weird that the lead role is Keanu Reeves :)

    • Panzer Of The Lake
      Panzer Of The Lake 5 months ago +1

      @Alper Johnny Mnemonic? Never heard of it

    • Homeyworkey
      Homeyworkey 5 months ago +2

      @Alper i reckon in 30 years, life is gonna be completely different. very exciting indeed. what a time to be alive :)

    • Alper
      Alper 5 months ago +3

      @Panzer Of The Lake I'm 29. I was very little when I saw the movie Johnny Mnemonic. From that day on I wanted to be inside a computer program that I can feel. it's very close now and I'm very excited.

  • Marcin
    Marcin 5 months ago +8

    that twisting cloth, that was damn damn impressive

  • no-trick-pony_lockpicking
    no-trick-pony_lockpicking 5 months ago +6

    If not for real time this could be amazing for any kind of prebaked cloth simulations, be it video game cutscenes, fashion, etc.

  • Its Me
    Its Me 5 months ago +7

    Finally, a technique that can solve fabric squishing. Humanity is now one step closer to solving the wet cloth simulation problem!

  • Morty Rickerson
    Morty Rickerson 5 months ago +17

    Some say two minute papers is actually an a.i programmed to make awesome youtube videos! What a time to be alive!

  • Dev4Gamers
    Dev4Gamers 5 months ago +2

    I'm no scholar, but I do really enjoy watching these videos on how in different ways computations and simulations are being improve upon, or made more efficient in order to resemble closely reality.

  • Thomas Krul
    Thomas Krul 5 months ago +3

    This video reminds me that in addition to "Like", TheXvid needs an "INSANE" button. This is incredible stuff.

  • Blackout Gaming
    Blackout Gaming 5 months ago +3

    Kindda wish for a series that takes the papers from previous videos and shows where they're at now in commercial software or whatever. I mean I'd love to see this as the cloth sim in blender for example, but I have literally no idea how realistic of an idea that would be. Do these things ever make it to the general public or do they just stay within the research world and go nowhere? Always been really curious about this

  • der Tobbe
    der Tobbe 5 months ago +1

    #gamedev imagine to see this in an actual game 🙂 this would be awesome and a bunch of whole New possibilities for any Genre 👍🏻👌🏼

  • ChritlevGaming
    ChritlevGaming 5 months ago

    I love these new animation techniques, my only concern is that it doesn't seem to take any kind of friction into consideration, and that some of the materials used also seem to be wayy more elastic and/or maluable than any real materials

  • mpauls85
    mpauls85 5 months ago

    Damn, that's impressive. One "real time in next gen gaming engines" please!

  • Majed Al-Daas
    Majed Al-Daas 4 months ago

    Just WOW! , this is the most realistic thing I've seen on your channel, thanks for these information you're providing !!

  • CMDR Leeloo Catfish
    CMDR Leeloo Catfish 5 months ago

    As someone whos simulated cloth over the last 10 years , this is mind blowing. Seriously, what a time to be alive ;)

  • ellie magnetic
    ellie magnetic 5 months ago +1

    hey kárloy, i’ve been performing card magic for nearly 2 decades so i just wanted to let u know the way the cards were shuffled was all wrong, the bend in the packets should be reversed to first interlace the cards, then they should be bent upwards with pressure applied from above and below until you’re ready for the bridge where you remove the bottom support and slightly widen the distance of the two bottom edges to cause the bridge where they interweave all the way.
    also given they way they’re bent i wouldn’t expect them to fall straight down like they do in the simulation, they should be springing forward more as they fall

  • Michael Leue
    Michael Leue 5 months ago +3

    Sometimes it's hard to tell exactly how impactful a paper is going to be, but I think this one is pretty clearly up there, considering the assertion isn't "fewer" collisions, but "no" collisions. No collisions seems like the wet dream of every 3D graphics designer who has ever lived, and no collisions in a reasonable render time is kind of beyond belief. I'd love to know what the limits are on that, for example if it's a usable technique if the cloth is rendered as threads instead of as a whole object, and also how quickly the render time scales with the number of individual objects.

  • mikosoft
    mikosoft 5 months ago +3

    The last one was a massive flex where they threw in everything at once

  • Smorty
    Smorty 5 months ago +13

    I like two Minute papers.

  • Wango
    Wango 5 months ago +1

    I can't wait to see when something similar will be implemented into video games
    No more hair going through clothes

  • Shef
    Shef 5 months ago

    Wow! I didn't squeeze my papers hard enough. This is incredible.

  • xdlight ahmed
    xdlight ahmed 5 months ago +1

    I'm just happy to be alive in this day and time. just to see this kind of simulation is jaw dropping in and of itself

  • Beregorn88
    Beregorn88 5 months ago +8

    4:41 for the sphere problem they cheated: they didn't computed the whole sphere-to-sphere interaction, but only a "bulk" behaviour, filling the volume with a "sphere texture". They didn't even used the proper hexagonal close packed configuration, but instead the much more easy (and much more unrealistic) simple cubic: you can see the spheres perfectly stacked one on top of each other...

    • Alex McLeod
      Alex McLeod 5 months ago +1

      @Beregorn88 you're mistaken. They're in hexagonal close packing, but with many irregularities because they're still in motion and not on a flat surface. It just looks like face-centred cubic packing because of the camera angle.
      Those patterns form all the time in particle-based simulations, accidentally. It would be very, very strange if anyone went to all the effort of faking something that occurs naturally.
      You're still perfectly free to investigate the source code if you're not sure, but first I'd suggest looking for pictures of "hexagonal close packing" to see if you can find any that don't also look like face-centred cubic packing at first glance.

    • Beregorn88
      Beregorn88 5 months ago +1

      @Alex McLeod have a closer look: that is NOT how balls stack. First of all, they don't form square lattices, but triangular ones; second, even if you had a square lattice the "sheets" would not be stacked directly one on the top of the other, but they would be offset, since the ball would naturally fall in the gaps of the "sheet" below. The only way to get the configuration shown in the picture would be carefully stacking the balls inside the corner of a cube, but even then any small perturbation of the system would make it collapse into one of the more stable configurations.

    • Alex McLeod
      Alex McLeod 5 months ago +1

      Have a closer look - that's a pretty normal packing pattern for identical spheres. They've published the source code, though, so you could check to see how it works for yourself - or if you're not a programmer you could just buy a bag of ball-bearings and reproduce the effect IRL.
      Besides that, though, it would've been much, much harder to fill the volume with a "sphere texture" that flows, and contains realistic irregularities in its packing, and also has freely-moving individual particles. That would be a research paper in itself!

    • Nichtdu
      Nichtdu 5 months ago +4

      They didn't simulate that tho that was the sand falling onto the simulated object the sand was probably just from another paper/ if that is even implementable in such a algorithm a blender fluid simulation

  • Wasey Rahimy
    Wasey Rahimy 5 months ago +1

    I am a 3D artist and I have a genuine question. How much time does it take for these developments to find its way into animation programs such as Maya, Blender, etc? There seems to be a massive gap between what's possible and what's getting implemented.

    • ayo
      ayo 4 months ago

      For 2d stuff it would usually go Ibto photo editing phone apps. So If you want to make use of the sharpen ai for faces you'll probably export your Photoshop image to the phone and then back. Maybe it's the same for 3d

    • Agiie
      Agiie 4 months ago

      I need to know it that too so I am tagging allong. If the author of this paper made this free, why cant or wont developers implement this on Blender?

  • Josh Davenport
    Josh Davenport 5 months ago +2

    Man, these simulations are getting so realistic. Some day we could simulate an entire universe down to individual atoms and particles. Possibly even complex life forms. Hell, they might even evolve into intelligent beings that can create their own simulations… Uh oh…

    • Moh Henni
      Moh Henni 5 months ago

      Ad infinitum ad nauseam

  • metacob
    metacob 5 months ago

    I wonder if one day we'll get a paper that breaks the "squeeze your papers" barrier.

  • MrQuickLine
    MrQuickLine 5 months ago +4

    My papers are only 0.1 mm and as I was holding onto my stack of papers, my hand did not intersect through them.

  • MrVipitis
    MrVipitis 2 months ago

    Watching a two minute papers video that produces fantastic visuals while my computer is running some training loops for a deep learning project that has yet to produce any visuals (it generates shader code by looking at all examples on Shadertoy)

  • John
    John 5 months ago

    I wonder how a simulation game implementing all these cutting edge techniques from a bunch of papers would look like... Game devs take note!!

    • ayo
      ayo 4 months ago +1

      An engine developer would be more likely to implement a lot

  • Kargoneth
    Kargoneth 5 months ago

    Extremely impressive results.

  • sr
    sr 5 months ago

    4:55 So you are telling me that science has found a way to simulate me dropping breadcrumbs on myself, in a hammock, with a blanket? Outstanding!

  • Aydhe
    Aydhe 5 months ago +6

    Would love to see this implemented in Marvelous Designer

    • USBEN
      USBEN 5 months ago

      I want it in Blender.

  • SmartK8
    SmartK8 5 months ago +4

    *piece of cloth gets simulated*
    "What a time to be life!"
    Now just what is time and what it means to be alive.

  • Tutorials
    Tutorials 5 months ago

    Renting renderfarm would be perfect to calculate simulation, if multiple cpus are supported.

  • TIR0
    TIR0 5 months ago

    this is the real deal - when calculated in real-time

  • RNo.0836 Usama Tariq
    RNo.0836 Usama Tariq 5 months ago +3

    Would it be possible to implement this in a 3D software (houdini, blender etc) right now...? is the code for this available...?

  • gerry yong
    gerry yong 5 months ago

    cant wait to see this used in games

  • Coco L'Asticot
    Coco L'Asticot 5 months ago

    What is this sorcery ?!
    I'm truly blown away. Knowing that this has the potential to be rendered in real time is astonishing.

  • Thepher
    Thepher 5 months ago

    Good! Hope to see this in a Skyrim mod next year

  • Emilio Rajme
    Emilio Rajme 5 months ago

    This is so magnificent.

  • RipleySawzen
    RipleySawzen 5 months ago

    The double kinking on the twisted cloth SUPER impresses me. Is that emergent or did they have to fiddle with it to get it to work?

  • OsmiumForge
    OsmiumForge 5 months ago

    It would have worked more reliably if the trick was performed in the standard way(pulling down)

  • Pia D
    Pia D 5 months ago

    Very interesting. Thank you.

  • n4rzul
    n4rzul 5 months ago +1

    Games in 10 years are going to be mindblowing

  • physics bytes
    physics bytes 5 months ago +6

    Waiting for it to come to blender

  • Про ИЗО
    Про ИЗО 5 months ago

    Wow! Great quality!

  • Benjamin Franklin
    Benjamin Franklin 5 months ago +2

    I want this in Blender right now

  • thepermman
    thepermman 4 months ago

    All of these would go really well got VR poker game.

  • Alexander Levy
    Alexander Levy 5 months ago

    This is the biggest nerdgasm I've ever had. He twisted the cylindrical cloth and I screamed.

  • Gakebagiannama
    Gakebagiannama 5 months ago +3

    can't wait for blender to adapt this technique

  • Usz
    Usz 5 months ago +10

    0:40 is so funny lol

  • Kris tian
    Kris tian 5 months ago

    Been waiting for this day my entire life.

  • Kevin Luo
    Kevin Luo 5 months ago

    2:56 interesting pattern at the bottom

  • Jacob Ellinger
    Jacob Ellinger 5 months ago

    gravity is a little too high in these simulations.

  • I Mus
    I Mus 5 months ago

    So how can we use this? is there any software offering this technique?

  • Shane Webster
    Shane Webster 4 months ago

    The sand looking a little to fluid. Real sand isn't made of tiny balls but rather infinite variations of complex shapes. So I get that it's going to significantly increase render time but that's the cost of realism at this point in our abilities

  • Noah Boddy
    Noah Boddy 5 months ago

    I hope the Justice system is paying attention because, video evidence is going to need some serious artifact validation.

  • Brent Lewis
    Brent Lewis 5 months ago

    The armadillo's bed look's really uncomfortable, especially after someone left crumbs all over it.

  • TheSteamBreaker
    TheSteamBreaker 5 months ago

    What a time to be alive indeed

  • Graphics in 10 minute
    Graphics in 10 minute 5 months ago

    On which software I will get this feature , I love your video but don't know where I get it implements in real life. I am no coder I am VFX artist .

  • Johnny-Anthony Khawand
    Johnny-Anthony Khawand 5 months ago

    2:12 why the cloth starts interacting before the ball hit them?

    • JDF
      JDF 5 months ago

      ​@Johnny-Anthony Khawandeach simulation was paused as the cloths were swinging, once the balls spawned, the video and swinging continued. If you're seeing something else then I can't see what you're seeing even with slow motion turned on
      😅

    • Johnny-Anthony Khawand
      Johnny-Anthony Khawand 5 months ago

      @mikosoft No all three packs have same behavior each at separate times, just before the ball hit them.

    • mikosoft
      mikosoft 5 months ago

      continuation of the previous simulation (of the cloths falling)

  • Grocel Fivetwelve
    Grocel Fivetwelve 5 months ago +1

    Garry's Mod in the mean time: **Cries in Source Engine physics**

  • Khalil El Ghoul
    Khalil El Ghoul 5 months ago

    it's more realistic than reality itself

  • nblade66
    nblade66 5 months ago

    Finally! I can have a simulated super thin condom that actually works without unwanted penetration

  • Adam P
    Adam P 5 months ago +1

    Once this gets to real-time, hyper-realistic VR will be possible. And Half-Life: Alyx already looked great.

    • Adam P
      Adam P 5 months ago

      @Aanand Bajaj the simulations here take minutes per frame for small scenes with very limited detail. There will always be compromises to make something that looks nice but will always break down whenever examined closely.
      In real life you can fit 10 trillion atoms on the head of a pin... there's no way you can accurately simulate the whole solid pin in real-time let alone a planet or galaxy. Someone may have vivid dreams that feel real, but there are always inconsistencies and breakdown. Ultimately these are tools to solve problems and entertain. Of course you don't want life to be loaded with deepfakery... but great simulation theory is debunked when you know the numbers.

    • Aanand Bajaj
      Aanand Bajaj 5 months ago

      yeah which means we are likely living in a simulation if it’s ever possible to create a hyper realistic universe

  • clearmenser
    clearmenser 5 months ago

    Oh wow, Vellum dethroned!

  • 도파민
    도파민 5 months ago

    Existence of this realistic simulation is unrealistic

  • S P
    S P 5 months ago

    What about fabric and water?

  • Kenneth
    Kenneth 5 months ago

    I doubt it can get even better than this.

  • Kuhantilope
    Kuhantilope 5 months ago

    Create a way to calculate that on the GPU and put that baby into Blender pls :'c

  • Extem The Hedgehog
    Extem The Hedgehog 5 months ago

    Hooray for inertia :D

  • Ryan Eka
    Ryan Eka 5 months ago

    Pixar engineer when they see this method
    *JOY*

  • Daniel Craig
    Daniel Craig 5 months ago

    Am I overthinking that cat and glass table joke?

  • Туан Нгуен
    Туан Нгуен 5 months ago

    I'm not tired to repeat it. Yea, we are simulated.

  • Alexander Caceres Gerasymlyuk

    How do i implement this in blender

  • Josua Thurnheer
    Josua Thurnheer 5 months ago +2

    Any blender developer in here?? 😉 You know what you need to do.

  • stretch654
    stretch654 5 months ago

    At last! The human race can now simulate noodles!

  • Eagan L
    Eagan L 5 months ago

    This can already cheat my eyes to be honest.

  • SAGE OF MUGEN
    SAGE OF MUGEN 5 months ago +5

    Hold on to your paper early gang

  • Gamer Man
    Gamer Man 5 months ago +4

    This has always been possible the trick is to disable physics on everything except the table cloth.

  • Homer
    Homer 5 months ago

    Can I shuffle a virtual deck to generate a random number? 🤔

    • Brent Lewis
      Brent Lewis 5 months ago +1

      One of the things about simulations is that they're often not random at all. If the cards start in the same exact position, are let go at the exact same moment, and fall in the exact same way, everytime, then there's no randomness to it. Same start, same finish.
      If you want different starts, then you've already done the work of producing randomness.

  • timgor
    timgor 5 months ago

    now when do i get to use this in MMD :)

  • MINISTROJ
    MINISTROJ 5 months ago

    Thank you

  • Not Harry
    Not Harry 5 months ago

    very cool

  • Jacque Bougie
    Jacque Bougie 5 months ago

    What happened to his voice? You can hear the massive difference from his normal intro to the one in the video. It's been a while since I watched, but it seems like it's been like this for a while. The way he talks changed quite a bit as well.

  • skcusoedivym
    skcusoedivym 5 months ago

    and the flowers are still standing!

  • Luckytime
    Luckytime 5 months ago

    Seeing the bottom view of that bowl of noodles is triggering something primal inside me

  • Joshua K
    Joshua K 5 months ago

    Here early enough to see the like count change when I absolutely demolished it.

  • Hunziker Etienne
    Hunziker Etienne 5 months ago

    On paper closer to the matrix

  • TigraPolosatiy
    TigraPolosatiy 5 months ago

    0:57 😂🤣

  • SuperMaDBrothers
    SuperMaDBrothers 5 months ago

    I'M SQUEEZING MY PAPERS!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • Osamah Abu Ali
    Osamah Abu Ali 5 months ago

    Blender.org 3.0 just released..

  • zombie killa
    zombie killa 5 months ago

    i didnt hold to my papers

  • agentzhao
    agentzhao 5 months ago

    wow

  • Don Beckham
    Don Beckham 5 months ago +2

    @:205 This is why I don't trust these animations. Somehow the sheets anticipated the ball falling? They begin to react prior to the ball making contact. Maybe the simulations grossly over estimated their mass and gravity caused the sheets to pullup toward the ball. :D

    • Don Beckham
      Don Beckham 5 months ago

      @KillFrenzy Thanks for clarifying that for me... after watching again with the idea that the simulation was paused, I now see the continuation of motion of the sheets. Quite interesting how my point of view was much different when stepping through only the frames after the ball was spawned.

    • KillFrenzy
      KillFrenzy 5 months ago +3

      The simulation was just paused. The simulation only continued once the ball was spawned. Look at the previous footage where the cloth was swinging up after falling then was paused.

    • mikosoft
      mikosoft 5 months ago +3

      those animations are simulated in one go - sheets falling, then sphere falling. So the movement you see is just continuation of the sheets falling.