[HN Gopher] Slide to Unlock
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       Slide to Unlock
        
       Author : ivank
       Score  : 579 points
       Date   : 2023-05-31 13:41 UTC (9 hours ago)
        
 (HTM) web link (cs.uwaterloo.ca)
 (TXT) w3m dump (cs.uwaterloo.ca)
        
       | pintxo wrote:
       | "Twister on a touchscreen"
        
         | mrspuratic wrote:
         | Coming to a captcha near you RSN :/
        
       | munro wrote:
       | amazing, the game eventually froze on me tho ;( ios ff
        
       | JimtheCoder wrote:
       | I've been trying to do this for the last 20 minutes on my desktop
       | screen...it's not working.
       | 
       | Now there are finger prints all over my screen...
       | 
       | Any tips?
        
       | dang wrote:
       | Related:
       | 
       |  _Slide to unlock ... a new puzzle_ -
       | https://news.ycombinator.com/item?id=36112310 - May 2023 (4
       | comments)
        
       | [deleted]
        
       | yarone wrote:
       | It's like traversing a bad "mega menu."
       | 
       | Did you know that "double-click" on early Windows literally meant
       | "click the same pixel twice in rapid succession"?
        
         | malfist wrote:
         | No, that's not what it meant. You had to click on the same icon
         | twice, which was typically 32x32.
        
       | James_K wrote:
       | Just finished this game. Great fun and a genuinely unique game
       | amid a sea of mobile shlock.
        
       | tobr wrote:
       | That's fun! This would be a fun speedrun game.
       | 
       | (To watch. Not to try to actually speedrun yourself. That sounds
       | painful, emotionally as well as physically.)
        
       | kderbyma wrote:
       | it gets really hard when you need to figure out how to rotate and
       | keep multiple fingers on the screen while sliding
        
         | michaelmior wrote:
         | I found that for some levels it worked for me to set my phone
         | on a table and use my thumb to rotate the screen instead of
         | trying to twist my hands.
        
         | pluijzer wrote:
         | Cheating tip; use two hands, place your finger on both of the
         | sliders, then almost complete the first one, then finish the
         | second one.
        
           | misterprime wrote:
           | Is that cheating? Seems difficult enough for me, still.
        
           | zokier wrote:
           | Is there way to solve the puzzles without doing that?!
        
             | operator-name wrote:
             | I don't think so. Some of the 3 or 4 puzzles require
             | rotation and cris crossing
        
           | sulam wrote:
           | Works fine until you get to the crossing patterns. :)
        
       | null_shift wrote:
       | Not sure why, but I found this gave me a lot of anxiety.
       | 
       | I think maybe the focus and fine motor control needed to keep the
       | ball within the lines...
        
       | aflag wrote:
       | I wish there was a save button
        
       | ugh123 wrote:
       | Very cool. Wish there was a bit more wiggle room ("easy" mode) to
       | give to younger kids to play with
        
       | hereonout2 wrote:
       | Nope, I don't get it sorry, this is so infuriating. A gamified
       | version of all the frustrations I have with mobile UX and my fat
       | fingers.
        
         | phh wrote:
         | I get it. A gamified version of all the frustrations I have
         | with mobile UX and my fat fingers exaggerated to absurdity.
         | Personally I take it as art, not as a game. I won't play it for
         | more than 3 minutes.
        
         | hn_throwaway_99 wrote:
         | Whoosh!
        
       | jefftk wrote:
       | Neat! Once it got to three fingers I got stuck pretty quickly,
       | though.
        
       | fsto wrote:
       | Great job! Fun and innovative!
        
       | afinlayson wrote:
       | Why can't I use 2 fingers ....
        
       | flexagoon wrote:
       | Great game! Though I'm not sure if I solved the last level in the
       | way it was intended to be solved - I wouldn't have been able to
       | do it the way I did it if my fingers were like half a cm shorter
        
         | nabakin wrote:
         | I solved it with some creative initial positioning. Thumb and
         | index of one hand on the curved and middle straight line and my
         | other hand index going between the two to reach the start of
         | the other curved line
        
       | tomger wrote:
       | Really great!
        
       | justin_oaks wrote:
       | How far does it go? I hit some really hard ones with 3 fingers. I
       | think my phone gets confused if my fingers are too close to each
       | other, which makes it especially difficult.
       | 
       | This also feels like playing a game of Operation [1]. The author
       | just needs to add an annoying buzzer sound whenever you fail.
       | 
       | [1] https://en.wikipedia.org/wiki/Operation_(game)
        
         | zokier wrote:
         | I got to four finger ones, but they are bit much to me.
         | 
         | I wonder if there is optimum phone size for this, mine might be
         | smidgen too small
        
           | jeffhuys wrote:
           | I used an iPhone 12 Pro, and it was pretty hard - couldn't
           | get to 3 fingers because the site froze whenever I
           | accidentally slightly triggered another gesture. Had to do a
           | lot of phone-spinning though, lol. Pretty cool!
        
             | hbn wrote:
             | I imagine I'm not at much advantage on my 13 mini
        
               | high_priest wrote:
               | My 14 micro is not much of a help aswell.
        
               | jakear wrote:
               | Blast you for getting me all excited for a phone I'd
               | _immediately_ drop my 7 and run to buy.
        
         | yccs27 wrote:
         | It goes up to 4 fingers, and the last one is 3 fingers again
         | but basically impossible without switching fingers. Edit: nvm
         | its possible without cheating
        
           | nabakin wrote:
           | The hardest one for me was the 4 fingered puzzle where you
           | had to move all 4 from one side of the screen to the other in
           | a line, except the lines overlapped with the neighbors
           | multiple times.
        
         | jumploops wrote:
         | _Spoiler Alert_
         | 
         | There are 30 levels, though I didn't personally finish.
         | Proof[0]
         | 
         | [0]https://imgur.com/a/ldY0IkC
        
         | TrianguloY wrote:
         | At least 4 fingers!
        
       | parasti wrote:
       | I love a simple idea pushed far beyond expectation. It's a little
       | choppy on my phone, though (Firefox Android).
        
         | the_third_wave wrote:
         | Works fine on my "underpowered, terribly slow" [1] device, also
         | using Firefox.
         | 
         | [1] https://news.ycombinator.com/item?id=36103176
        
         | SpaghettiCthulu wrote:
         | Doesn't seem to work at all on mine (also Firefox Android).
        
       | kelseyfrog wrote:
       | Unconventional, but I played this both solo and with my kiddos.
       | As a multiplayer co-op game it really shines. Granted it's easier
       | than solo, but maneuvering multiple people around a tiny phone
       | was absurdly funny.
        
         | quantisan wrote:
         | this was fun. Any suggestions for other casual co-op games on
         | the phone that I can play with my almost-4 year old?
        
       | propter_hoc wrote:
       | Made it to 3 fingers and then couldn't advance as my phone
       | interpreted a 3 finger swipe as a screenshot. I'm counting it as
       | a win since I learned a new feature of my phone!
        
         | Tistron wrote:
         | Had the same problem at first, but moving one finger before the
         | others made it work. At four fingers my phone can't do it
         | anymore. It seems that it can only detect 3 pressure points at
         | a time.
        
           | jmtucu wrote:
           | The same, my S23 doesn't recognise 4 touches.
        
       | beefman wrote:
       | Reminds me of Cross Fingers, an early iOS game I really enjoyed
       | 
       | https://apps.apple.com/us/app/cross-fingers/id337490369
        
       | tobr wrote:
       | I would have liked a visual indication for exactly where you went
       | off track. With multiple fingers it's not always obvious.
        
       | explaininjs wrote:
       | Great game. My only wish is that each level had an associated URL
       | (with a nonguessable ID, perhaps). Would make saving and sharing
       | much easier.
        
       | majikandy wrote:
       | Thoroughly enjoyable. Initially I thought the slide to unlock was
       | going to jailbreak my iPhone :)
        
       | redreceipt wrote:
       | This is awesome. Gimme cookies please so I can pick up where I
       | left off!
        
       | culanuchachamim wrote:
       | Just amazing! Thank you!
        
       | [deleted]
        
       | cjdell wrote:
       | Multi-touch digitiser acid test. Phone manufacturers take note!
        
       | max0563 wrote:
       | This would be a fun game with some UX improvements. It's
       | extremely frustrating when the reason I can't finish a puzzle is
       | because my finger slipped off the line and not because I just
       | don't know the solution. I stopped playing because of how
       | frustrating that was.
        
         | [deleted]
        
         | Eater_of_food wrote:
         | It's a dexterity game. Think of it like Jenga, even if you know
         | which block to pull out, the tower can still fall if you don't
         | do it cleanly.
         | 
         | At least with this you don't need to rebuild the whole tower!
        
           | mikepurvis wrote:
           | Twister is the metaphor for me. I had to lock my orientation
           | so that I could rotate the phone around to untie some of two
           | and three finger ones.
        
       | Phelinofist wrote:
       | This helped me to find out that my Huawei phone had "AI Touch"
       | enabled. That apparently is a feature to touch any image with two
       | fingers and the super smart AI finds out what is shown in the
       | picture and where to buy it.
       | 
       | Goes without saying that I immediately disabled this. /shrug
        
         | hombre_fatal wrote:
         | Amazing. That's a feature you'd expect at the top of an HN
         | brainstorm for comically bad, far fetched phone ideas.
        
           | uo21tp5hoyg wrote:
           | sure, but only because HN is mostly men working in tech.
           | these types of features are ridiculously popular among women.
           | (not all women of course)
        
             | iamacyborg wrote:
             | Citation needed
        
               | uo21tp5hoyg wrote:
               | I can't provide a direct citation but I worked on image
               | detection shopping for Kakao[1] and can say from personal
               | observation that at least in Korea these features are
               | ridiculously popular (and profitable) among women.
               | According to Forbes women drive 70-80% of all consumer
               | purchasing decisions in the US[2] so I can't imagine it's
               | that rare there either, but I could be wrong and this
               | could be an entirely eastern thing but given Huawei is a
               | Chinese company I would bet it's a very popular feature
               | for the phone.
               | 
               | 1. https://en.wikipedia.org/wiki/Kakao
               | 
               | 2. https://www.forbes.com/sites/forbescontentmarketing/20
               | 19/05/...
        
       | grishka wrote:
       | Doesn't work well on phones though, you really need a tablet.
       | When you get to 4 fingers, it starts randomly losing track of a
       | finger or two when fingers get close to each other. I tried two
       | different Android phones and an iPhone.
        
         | nabakin wrote:
         | Yeah phones are hard mode but still possible. I did it on a 5
         | inch screen
        
         | beAbU wrote:
         | I was unable to get past the second 3 finger one. It kept
         | glitching out when I put down my third finger.
         | 
         | Samsung Galaxy S20
        
         | _nalply wrote:
         | or a laptop with touchscreen
        
         | bsimpson wrote:
         | Won't even let you start on a computer with DevTools and touch
         | emulation.
        
       | snickerbockers wrote:
       | Reminds me of elite beat agents on DS
        
       | genericuser256 wrote:
       | Seems like this was made by Craig Kaplan
       | (https://cs.uwaterloo.ca/~csk/). Had him for graphics while at
       | school there, and he was a fantastic professor
        
         | ahmedalsudani wrote:
         | +1 csk is as good as it gets. Had him for my first CS class
         | there and to the end of my time there, that class stood out
         | both in terms of quality and enjoyment/engagement.
         | 
         | If you're at Waterloo and have the chance to be in Craig's
         | class, jump at it.
        
         | tobr wrote:
         | His work on aperiodic monotiles has been in the news very
         | recently. https://news.ycombinator.com/item?id=36119920
        
           | thefringthing wrote:
           | Just the other day he posted about how they were able to
           | modify the one member of the family identified in their paper
           | which is not an aperiodic monotile into one that tiles
           | without reflections.
        
       | lowbloodsugar wrote:
       | That's just silly. Bravo.
        
       | xg15 wrote:
       | I think that's the first nontrivial use of multitouch that I have
       | seen in the wild (i.e. that is not basic "pinch to zoom" stuff).
       | 
       | Really cool!
        
         | omnibrain wrote:
         | How about touch instruments like GeoShred?
         | https://apps.apple.com/de/app/geoshred/id1064769019
        
       | rkagerer wrote:
       | What's annoying and counter to popular convention / user
       | expectations is that you have to keep your finger in the
       | established path to keep grip of the "ball". (S'pecially given
       | your finger often blocks the view of it).
        
         | James_K wrote:
         | I'm not sure that the game would work without this restriction.
         | If you kept grip of the ball regardless of if your finger was
         | on the path none of the game's puzzles would work since you
         | could just move your fingers wherever you wanted without losing
         | the ball.
        
         | version_five wrote:
         | That's the whole point of the game, no? It was what I expected.
         | Are some slide to unlock bars "ratchets" that stay where you
         | left them?
        
           | londons_explore wrote:
           | I think it is less intuitive to non-iOS users... Android has
           | "swipe up to unlock" and there isn't really a UI element.
        
             | vilunov wrote:
             | iOS has been "swipe up to unlock" for some time now, as
             | well as Android vendors had "slide to unlock" lockscreens
             | earlier.
        
             | _popcornLurker wrote:
             | Uhm haha. On behalf of our community I would like to say
             | that I was perfectly capable of understanding this
             | mechanism thank you. Pretty sure the reason for the
             | unintuitiveness for some people must rely on something else
             | entirely.
        
         | gffrd wrote:
         | Why is it annoying?
         | 
         | The feedback is immediate and highly discoverable.
         | 
         | The Lock Screen on your phone has totally different criteria
         | (ease, muscle memory) than a toy that uses the same metaphor
         | (fun/challenging)
         | 
         | Also: isn't it more fun this way??
        
           | rapind wrote:
           | I actually liked it, but my daughters immediate reaction was
           | "This is so annoying" (but in all caps).
           | 
           | Meanwhile, I find typing anything on my phone very annoying.
        
       | quickthrower2 wrote:
       | I couldn't get past the super hard captcha.
       | 
       | Oh thats the game!
        
       | Tmpod wrote:
       | Couldn't get it to work on my Pixel 4a, kept asking to use a
       | tablet or a phone... .-.
        
       | noman-land wrote:
       | This is extremely fun! But reloading the page loses your progress
       | :(.
        
         | TrianguloY wrote:
         | It doesn't, but the first white horizontal swipe is always
         | needed. Unfortunately there is a "reset" button that, when
         | pressed, resets your progress without confirmation.
         | 
         | I was at 4 fingers :(
        
       | tambourine_man wrote:
       | This is amazing, so glad there are people doing this kind of
       | thing just for the fun of it. Great idea and execution.
        
       | AlphaWeaver wrote:
       | If you find this fun, you might like _The Witness_ , a game with
       | a similar gameplay mechanic as part of its core loop:
       | https://store.steampowered.com/app/210970/The_Witness/
        
         | cglong wrote:
         | Or _The Looker_ , if you like to laugh at the same time :)
         | https://store.steampowered.com/app/1985690/The_Looker/
        
       | operator-name wrote:
       | This is pretty fun! It seems the starting position of your
       | fingers is important, as is the ability to rotate the device.
       | Interesting to see how many mobile HN users there are too.
        
         | wizofaus wrote:
         | Technically you don't need to rotate the device (I did it with
         | my touchscreen-enabled laptop), but you will have to get out of
         | your chair!
        
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       (page generated 2023-05-31 23:00 UTC)