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epaga

9,424 karma · joined March 25, 2011

Java developer / team leader at inetsoftware.de by day

iOS developer by night

https://silentshark.app - Tactical map-based WW2 submarine simulator for iOS, Android, Mac, PC, Linux, Web

https://smoothtrack.app - VR-style head tracking app (iOS + Android) for PC sim games. Replaces the need for a $150+ TrackIR system.

https://mindscopeapp.com - Text canvas outliner, thought organizer (macOS, iOS)

http://appstore.com/johngoering - other apps

submissionscomments
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Note that the periscope has an expand button to make the view bigger (though if you are on your phone there’s not much more for it grow)
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Primarily because I always loved those pieces growing up, it was my first real exposure to classical music. :)

(And another reason is that it was a simple way to get some stirring music without needing to find a way to write my own.)

epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Loved this idea, so I put it in the game. Check it out and tell me what you think. :)
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Thanks! I noticed that, too and will be getting it set straight. Still learning the Steamworks ropes, it's a colossal administrative tool.
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
I super appreciate this feedback and don't at all take it as overly negative.

I have gone back and forth on whether to describe how to use the tools or instead to explain goals. I get what you're saying and will give this more thought.

(And the fact remains that with this many tools, it's simply really challenging to explain it in a clear and elegant way on a small device.)

Once you "get it" and know how everything works, then I think it can work well...but for something this complex, the issue is definitely going to be onboarding.

epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Great feedback, thanks - and I'll think about a good way to let you just dismiss the tutorial text entirely...
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Whoops, that is a debug functionality that I accidentally left in. Thanks, fixed!
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Thanks - yeah this is a tricky problem since on the one hand I don't want to frustrate users not being able to pause/unpause but on the other hand I need to not let them unpause too soon and have the ship be in the wrong position.

Currently it should be blocking unpausing until step 7 or so... and it also should auto-pause once the ship reaches step 8(?). I did both of these things for the reason you're saying, but maybe I need to do it even more "locked down", at least for the Basic Tutorial.

epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Definitely planning on getting a demo out. Which device are you on? I could add you as a beta tester if you're interested.

Edit: Also, you can add the page to your Home Screen on most browsers as a PWA app, and it's nearly like a full screen app.

epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
It should be Patrick Hand, and Special Elite for typewriter stuff...but are you seeing Comic Sans, seriously?
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Thanks a lot! Any ideas how to make it less dry? :) That's kind of par for the course for submarine sims, I suppose...
epaga··on Show HN: I made a tactical map-based WWII submarine simulator (public beta)
Oh wow, guess this is getting auto-reposted! I posted it a while back to 0 upvotes...

Anyways, this project has been a blast to make especially with all the free and public domain resources that are out there on WW2 stuff.

A few fun examples that helped me:

- an original Torpedo Data Computer manual https://maritime.org/tech/tdc.php

- an original recognition book of Japanese merchant ships https://www.ibiblio.org/hyperwar/NHC/NewPDFs/USN/ONI%20Recog...

- an original report of the Battle of Leyte Gulf including a patrol zone map of US submarines on page 166 https://apps.dtic.mil/sti/tr/pdf/ADA003030.pdf

epaga··on Ask HN: What are you working on? (May 2026)
Thank you! If you find time, would love to hear more about what you particularly liked or if you had any ideas.
epaga··on Ask HN: What are you working on? (May 2026)
Awesome! Would of course deeply appreciate any and all feedback!
epaga··on Ask HN: What are you working on? (May 2026)
Working on a tactical map-based WW2 submarine simulator called Silent Shark. https://silentshark.app

Free beta version is running well ( https://silentshark.app/alpha ) and I plan on releasing the full WW2 campaign version on Steam, App Store, and Play Store in the next month or two.

It's been an absolute blast getting feedback from Navy geeks on Discord, tweaking things, and my favorite moment was when my stadimeter instrument (finds distance based on angle + mast height in the periscope) worked without any "cheating" on my side simply because math works.

epaga··on Humanoid Robot Actuators
I also flagged it when I realized the video claimed to be someone it wasn't. Unacceptable in my mind.
epaga··on Tell HN: Fiverr left customer files public and searchable
Well, maybe.
epaga··on Tell HN: Fiverr left customer files public and searchable
Oh? I've seen him respond to that many times in the past...assumed he had some hook for those.
epaga··on Tell HN: Fiverr left customer files public and searchable
I tried posting a warning to /r/fiverr but the admins removed the post. And the files are STILL public...how in the world is "sitting it out" their course of action?

Edit: I'm beginning to wonder if they might be locked out of their own site at this point. How hard could it be to just shut down the asset server until they get it sorted?

epaga··on Tell HN: Fiverr left customer files public and searchable
@dang I agree that some/many of these links should not be posted here.
epaga··on Zooming UIs in 2026: Prezi, impress.js, and why I built something different
I really love this (and miss the days when Prezi was simple and straightforward).

I've written an app myself along sort-of similar lines, but it's less a presentation app and more a thought organizer (works on all Apple platforms). https://mindscopeapp.com

I think what proved key for my own "zoomable" UI was cross-linking, search, and speed/snappiness. Make the animations too heavy and it just slows you down. Zumly seems really great in this regard. Well done!

epaga··on Enabling Codex to Analyze Two Decades of Hacker News Data
Well now it's 5.00001%.
epaga··on Ask ChatGPT to pick a number from 1-10000, it generally selects from 7200-7500
in Thinking extended it picked 4814 but in instant, yep: 7423
epaga··on Nvidia NemoClaw
> It used a mix of dom-to-image sending pixels through the context window, then writing scripts in various sandboxes to piece together a full jailbreak.

That would be one interesting write-up if you ever find the time to gather all the details!

epaga··on 100 Jumps
This is really fun - love the eyes and the wobble on close jumps! Got 70 jumps on my first try, not sure whether that's good or not, but I do think that platformer gaming experience doesn't hurt...

Edit: pompomsheep (who seems to be shadowbanned btw???) tells me that's top 5% for a first-time player... woohoo!

epaga··on I Have 30 Years of Career Left. AI Made Me Rethink All of Them
> AI can write the code. It can’t architect the system. It can’t decide which tradeoffs to make, or know that the elegant solution it just generated will fall apart at scale, or understand why the team chose a boring technology stack on purpose.

I would add: "Yet."

Just as I've been completely astonished at the advancements AI has made in writing code, I can detect a trajectory at AI becoming an expert architect as well, likely within a shorter period of time than we'd all expect.

epaga··on Lose Myself
This is the most poignant essay I've ever read on the current situation. It feels extremely disorienting to have the very reason you got into your career dissolve in value seemingly in a matter of months. I'm one of the ones he describes as being "enthusiastic about the new steam engine" but I really do sense the bittersweetness of it all.

Code is cheap now. "Good" code now means "code that does what it's supposed to and that AI can read and modify easily if it needs to."

What will society end up looking like as a result? How do software companies need to react to this?

epaga··on I started programming when I was 7. I'm 50 now and the thing I loved has changed
I gave up after the third “It’s not X, it’s Y” in like two paragraphs. Is nobody else allergic to that AI voice? Isn’t the author?

So depressing this is the current state of blogging. Can’t wait for this phase to be over.

epaga··on OpenClaw is what Apple intelligence should have been
"Not Final Cut. Not Logic. An AI agent that clicks buttons." (and writes blog posts)
epaga··on OpenClaw is what Apple intelligence should have been
"Not Final Cut. Not Logic. An AI agent that clicks buttons."

...and that writes blog posts for you. So tired of this voice.

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