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Show HN: Koi.rest – watch some fish and regain your balance

180 pointsposted 11 hours ago

49 Comments

dylanhouli

9 hours ago

Cool idea but as some others have said the website was running quite slow for me. I noticed it at first when hovering over the 'enter' button (so before even loading the pond) because the hover animation on the button kicked in really late feeling.

Then actually entering took a few seconds and it was quite laggy looking at all the fish.

Once those things are fixed I think the idea is neat. It would be cool to be able to interact with the pond in some way (click lily pads, drop food in the water, click the water to make it splash) but that might not be what you're going for with this

hxii

6 hours ago

Thank you for the feedback!

During my work on it I’ve been testing it on both my Linux box as well as my MacBook and haven’t encountered lag. I’m not meaning to say “it works on my machine” by this, but simply that I couldn’t have caught this before.

I will definitely address the lag issue, and find a more “graceful” way for koi to enter and leave the pond.

About interactivity – I was thinking about this both during the development as well as just when I had the idea and the intention was always to not have any, simply because in my own experience we are always doing “something”, and this was a way to get a little bit of the opposite – to do nothing.

But I can see how some micro-interactions could be useful. A sort of a “popping bubblewrap” action.

lionkor

an hour ago

Hi, this might not be obvious to you so I wanted to explain it:

Testing on a single device, or two devices, is not enough. I'm on a laptop with 96 GB ram and a Ryzen AI 9 HX PRO 370, and it's running at 3 FPS.

The crucial part is browser performance and network latency. You need to test across multiple browsers, but also evaluate frame times, CPU load, GPU load, etc. so you can make a reasonable estimate whether it's fast or not.

Then, when you realize that its not good enough, e.g. on firefox, you use firefox's profiler to see which parts are slow. LLMs would guess, probably, but you have to measure.

Welcome to software engineering.

applfanboysbgon

2 hours ago

> I’m not meaning to say “it works on my machine” by this, but simply that I couldn’t have caught this before.

If you knew what you were doing you could have reasoned about what your code did, though. Such is the danger of trial-by-error vibe coding. I personally closed the tab because the audio kept cutting off arbitrarily after some minutes. Not to criticise you unduly because this was a cute concept, but I hope you might take away that LLMs are not only not perfect, but are also only "good enough" if your standards for "good enough" are particularly low, and use this as motivation to learn more in the future instead of always relying on them.

I think no interaction is good for an offline pond, but I do think some tiny little bit of interaction would be nice online since it adds a touch of humanity, being able to see other people and interact with them in some small way.

nullify88

7 minutes ago

I think you are being too harsh. Even before AI, games would often work great on one computer and poor on other computers. I believe that isn't because they understood the programming less but because there is so much variance between computer hardware, the firmware inside, and the software running on it that you can't guarantee software to run identically across many combinations.

Similarly it's not unusual for one website to behave differently across browsers.

JKCalhoun

5 hours ago

Exactly how I have found vibe-coding to be. I make things with LLMs help that I otherwise wouldn't be bothered to. I've vibe-coded perhaps a half dozen tools for my personal use and am happier for it.

Keep going.

DiabloD3

3 hours ago

You didn't make anything at all, though.

Also, please talk to a lawyer before slapping a Copyright on anything you didn't make. Machine-made products cannot be Copyrighted in the US and most Berne Convention countries, and you cannot own the output of an LLM, nor can you legally shield yourself from the consequences.

fxwin

39 minutes ago

I think "tools for personal use" implies both that their utility is more important than craftsmanship, and that they aren't public.

hatthew

10 hours ago

It's running at 3fps or something like that. Is that a me problem or a "lots of traffic" problem?

40four

7 hours ago

I haven’t tried it on desktop, but it’s running silky smooth for me on iPhone. No lag at all. I see some others complaining of that too so not sure what the issue is.

JKCalhoun

5 hours ago

See if there's anything in the Web Inspector console (or equivalent). Maybe an error or assertion is firing off.

efilife

8 hours ago

seems to be a "vibe-code" problem

hxii

6 hours ago

Vibe coded or not, I was honestly trying in on two desktops (and two browsers) and a mobile phone and didn’t get any lag, which is why I couldn’t have caught this before.

It might be some other combination that might contribute to whether there is or isn’t lag, and I’m going to try and find what it is :)

hatthew

an hour ago

I was on firefox on a newish mac, but it was when there were some any fish that they fully covered the screen, couldn't see the bottom of the pond.

johnsmith1840

8 hours ago

Been on a train of thought recently that with AI making web dev so much easier that we should be making more beautiful experiences.

I have always felt ultra minimalism is partly a way of fighting bugs. Why can't we put more effort to make every site a great experience in of itself?

Been experimenting with going way beyond my usual frontend work for something truly special. This made me think if it. It's 10x the effort but that's about the same effort I put in before manually making a minimal one.

I want more koi fish swimming around my saas.

rhplus

6 hours ago

Pleasant flashbacks to the Windows 95 classic Serene Screen “Marine Aquarium”

https://youtu.be/PprsZgA-kxs?si=waSpdI4J323fNNGh

https://www.pcgamer.com/gaming-industry/a-former-air-force-p...

henrydoughty

29 minutes ago

sat on this a bit. needed it actually. thanks for putting it up instead of leaving it in your head

natnatenathan

9 hours ago

I understand your trepidation sharing this, given how often 'vibe coded' is used derogatorily. I like what you made, thank you.

jeromechoo

11 hours ago

This is neat. I like the zen background sounds. I'm particularly fascinated by digital third places with extremely limited social interaction (like cursor camp by Neal). I think it has something to do with the impossibility of something like this happening in real life.

That said, I'm not sure how real the "koi you see are other people visiting the pond together with you" bit is. I only ever saw 3 swimming koi. Maybe that's the base.

hxii

10 hours ago

Hey! That’s the base, correct. Three are always there so if someone joins and nobody else is using it – they’re never alone.

In essence, when you someone joins the counter goes up and another koi will spawn locally.

It’s a bit nerfed from my initial idea to sync the movement of each koi, but I might do that in the future.

It looks like the way I deployed (Railway) it causes `429 Too Many Requests` to be returned, so I’ll definitely have to look into that. But it’s 1:21 AM so tomorrow.

Thank you for letting me know!

p1necone

10 hours ago

I noticed the koi pop in and out of existence on visible parts of the screen - it would be nice if incoming koi swam into frame from offscreen, and outgoing koi swam offscreen before disappearing.

dolebirchwood

9 hours ago

Yes, that was very jarring. I didn't bother reading the intro text that said the other fish are other people on the site, so I just thought this was janky crap. The creator shouldn't assume people read anything. I see a button that says "Enter", I click - I'm not reading anything else. So it's going to cause a lot of confusion when I arrive in a pond filled with way too many fish for a zen-like experience, and even more annoyance at the constant flickering in and out.

hxii

6 hours ago

Thank you for the feedback! It’s definitely on my project task list.

So far the options I thought of were to fade or scale the koi as they enter or leave the pond. I will try to see what will work visually here.

applfanboysbgon

10 hours ago

It appeared to be real earlier, or at least simulated being real. I watched for 10 minutes and there were ~10 koi in my pool, with koi routinely flickering in and out of existence as though they suddenly joined or left. That said, I see three static koi now. Entirely conceivably that HN killed the backend and triggered a failsafe.

keithnz

10 hours ago

lots and lots of koi at the moment!

skibz

an hour ago

I dig the voronoi used as an approximation of caustics!

samrj12

7 hours ago

Seems like quite laggy (I suppose bcz of heavy assets and rendering). I would have liked it more if we had some interactive elments with the pond or the fishes because I can only stare at it for some seconds lol

pozol

10 hours ago

This is great! The sounds and visuals are a great way to recenter. Only UX thing I’d say, is it would be nice, and less distracting, if other “users/koi” popping in instead kind of faded in. Them suddenly appearing kind of pulls you out of the zen mode. Awesome idea!

Cider9986

10 hours ago

I really like the UI especially the about page. I don't think you are supposed to be able to see the about page on the playing page (it took a bit to start and then started when I was in about) but it looks good there with the blur.

Here's a list of other sound/relaxation websites: https://fmhy.net/audio#ambient-relaxation.

This one is pretty funny but not relaxing to me. It may be a covid remnant: https://imisstheoffice.eu/

max979

6 hours ago

Had a desktop aquarium once, very calming. This digital version is probably less messy and just as effective.

kalms

4 hours ago

If small size, I recommend lots of plants and capping any "live" substrate with sand. Had one going with shrimps and a few endlers for years. I only topped the water up and very occasionally changed the water. Not that it really needed it.

After the first few weeks, it just soldiered on with minimal algae or intervention needed. It's a lovely thing to have, I can recommend it. (That said, I also have a small aquarium problem according to the wifey)

thoughtpeddler

8 hours ago

Super cool, thanks for making this! I've been there with you on the perfectionism. Glad that 'good enough' won this time, and we're all the better for it. Keep going!

marcuskaz

10 hours ago

Too many koi fish is stressful (and slow)

I'd love a version without the multiplayer and just zen

mcint

10 hours ago

Looks like it locks the number when you first load. I had it open for 30 minutes, with just 3 fish, but after reading your comment, re-opened to find 3 dozen.

Choice about busyness would be nice.

hxii

6 hours ago

Thank you for the feedback! Will definitely add that as an option.

lappet

4 hours ago

This is really cool! So peaceful.

Coeur

9 hours ago

Have a big virtual hug from me, hxii!

farrysaini

9 hours ago

This is great! I would really like this as live background on Android.

wateralien

10 hours ago

I do this with the screensavers on the Apple TV device. They’re amazing.

grvdrm

10 hours ago

Awesome. Top of bookmark list for a daily zen!

Suhinnall27

9 hours ago

This is honestly super cool, and a lot of fun. I was about to say something about the koi fish spawning and despawning until I read that they are the other users on the site, which is an awesome mechanic. Is there a way to set this as a screen saver or background?

That’s not to say “it’s a you problem”, but rather that I currently don’t know under which circumstances the lag appears.

bredren

9 hours ago

Great post, OP. Way to overcome. Keep it up.