[{"data":1,"prerenderedAt":387},["ShallowReactive",2],{"project-39389858":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":36,"aspects":37,"strip":43,"post_text":46,"what":47,"said":73,"maker_in_thread":168,"shape":179,"grid":183,"attempts":350,"same_week":351,"maker_shows":35,"maker_hidden":380,"reader_version":381,"card":382},"39389858","Galactic Compass","an app that points to the galactic center","title","Show HN: Galactic Compass – an app that points to the galactic center","https:\u002F\u002Finterconnected.org\u002Fhome\u002F2024\u002F02\u002F15\u002Fgalactic-compass","interconnected.org","genmon",1708035131,2024,175,60,461,3515,14,"notable","games","space astronomy toy","mobile_app",[24,25,26,27,28],"galactic center","milky way","iphone astronomy","sagittarius a*","chatgpt app","loved",0.38,{"positive":32,"neutral":33,"mixed":34,"critical":35},12,10,1,2,25,{"idea":38,"design":41,"performance":42},{"positive":39,"critical":40},7,0,{"positive":34,"critical":34},{"positive":40,"critical":34},[44,40,40,40,40,40,40,44,44,44,40,44,45,44,40,44,44,45,40,45,40,45,45,45,34,45,40,44,34,40,40,40,40,44,40,40,40,44,45,40],5,3,"I made a single-serving iPhone app with a floating green arrow that always points to the center of the Milky Way, 26,000 lights years away. It’s weirdly grounding. I’ve never made an app before, so here’s how it worked with ChatGPT.",{"problem":48,"audience":54,"pricing":54,"motivation":55,"time_to_build":54,"stack":59,"openness":70,"stage":71,"team_size":72},{"value":49,"source":50,"evidence":51},"Shows the direction of the galactic center at any time","maker",[52],{"id":53},"post",null,{"value":56,"source":50,"evidence":57},"Maker wanted to build a first app and see how ChatGPT could help",[58],{"id":53},[60,66],{"value":61,"source":50,"evidence":62},"iOS (deviceHeading API)",[63],{"id":64,"by":11,"text":65},"39391673","So kind, thank you! The reason for the phone being flat is perhaps a limitation in iOS or perhaps a limitation of mine — I don’t know which! Basically you can access…",{"value":67,"source":50,"evidence":68},"ChatGPT used to write the app",[69],{"id":53},"unknown","launched","solo",{"praise":74,"objections":102,"requests":113,"questions":134,"alternatives":150},[75,91],{"value":76,"source":77,"evidence":78},"Original, simple and fun app","commenter",[79,83,87],{"id":80,"by":81,"text":82},"39391362","crazygringo","Three thoughts -- First, this is so simple and yet so original. I absolutely love it. It feels like a tiny little piece of Star Trek or of science fiction but that's real and…",{"id":84,"by":85,"text":86},"39390944","rc_mob","this is now the coolest app i have on my phone.",{"id":88,"by":89,"text":90},"39396242","itake","I found this oddly calming",{"value":92,"source":77,"evidence":93},"Good example of ChatGPT helping non-programmers make apps",[94,98],{"id":95,"by":96,"text":97},"39390012","amarant","This is pretty cool! Also happy to see you were able to make such an original app using chatgpt! It's a great counter example to some of the weirder arguments I've seen on here…",{"id":99,"by":100,"text":101},"39391154","geor9e","This walkthrough, and ChatGPT, is probably going to inspire a lot of people who never made an app before to finally make that big step. If you're one of them, and manage to…",[103],{"value":104,"source":77,"evidence":105},"Arrow breaks when phone is held upright, so it must be flat",[106,110],{"id":107,"by":108,"text":109},"39390339","hollander","When i hold it upwards isFlat becomes false, but when i hold the phone upwards in landscape mode isFlat stays true. Why do i need to keep the phone flat? Doesn't that depend on…",{"id":111,"by":81,"text":112},"39391853","Huh, when I go into your debug tab the heading value always seems to stay accurate no matter if my phone is flat or vertical. It seems to work the same as the Compass app, which…",[114,123,127],{"value":115,"source":77,"evidence":116},"Android version",[117,118,122],{"id":99,"by":100,"text":101},{"id":119,"by":120,"text":121},"39391700","Larrikin","Any timeline on an Android version?",{"id":95,"by":96,"text":97},{"value":124,"source":77,"evidence":125},"Show exact live distance to galactic center",[126],{"id":80,"by":81,"text":82},{"value":128,"source":77,"evidence":129},"Choose which galaxy to point to",[130],{"id":131,"by":132,"text":133},"39400435","torbengee","Love it. One suggestion: it would be nice if one could choose the galaxy. I'm not from here, so ... (\"Check your galactic privilege!\") ;)",[135,143],{"value":136,"source":77,"evidence":137},"Why does the phone need to be flat?",[138,139],{"id":107,"by":108,"text":109},{"id":140,"by":141,"text":142},"39391221","LoganDark","Pure speculation: Because the iPhone only has an Earth compass, the app has to calculate which direction to point based on the position of the Earth (relative to the Milky Way),…",{"value":144,"source":77,"evidence":145},"How accurate is the iPhone positioning?",[146],{"id":147,"by":148,"text":149},"39393855","lencastre","WOW,… to the experts in the room, how accurate, trustworthy is the positioning system on the iPhone, and are there some models which are better\u002Fworse?",[151,158,162],{"value":152,"source":77,"evidence":153},"Google Sky Map on Android",[154],{"id":155,"by":156,"text":157},"39391120","kej","It's not quite the same thing, but on Android you can use Sky Map [1] and search for \"M6\". (The actual center is just off from the star in Sagittarius that is closest to M6 (γ2…",{"value":159,"source":77,"evidence":160},"Stellarium",[161],{"id":99,"by":100,"text":101},{"value":163,"source":50,"evidence":164},"Star Walk",[165],{"id":166,"by":11,"text":167},"39399908","I built up the intuition 10 years before the 2021 post -- it's a while back so my memory is fuzzy. But once you've got the ecliptic, you're most of the way there: you can…",{"comments":169,"answered":170,"key":171},9,4,[172,173,176],{"id":166,"text":167},{"id":174,"text":175},"39391902","That’s so kind! I love the web, it has been very good to me. The web of people making and sharing is out there and thriving! For whoever was lamenting the loss, the best way to…",{"id":177,"text":178},"39399931","I can't see the Milky Way here in London. I would love love love a pic of the Galactic Compass app pointing at the Milky Way hanging in the sky! I'm not sure whether it would be…",{"commenters":180,"max_depth":44,"maker_replies":169,"first_comment_mins":181,"lifespan_hours":182},45,11,26,[184,188,192,196,198,200,204,207,210,213,216,220,221,225,226,227,229,233,234,236,239,243,247,249,252,255,258,260,263,265,268,270,272,274,277,279,283,286,287,291,293,295,299,303,306,309,312,314,316,319,321,325,327,330,333,336,338,340,342,346],[185,40,44,186,187,40],"39393137","maker\u002Fpositive\u002Fidea","quinncom",[189,40,40,190,191,40],"39394732","commenter\u002Fcritical\u002Fnone","reportgunner",[193,40,40,194,195,40],"39394908","commenter\u002Fneutral\u002Fnone","cryptoz",[197,40,40,190,191,40],"39395377",[166,40,40,199,11,34],"maker\u002Fneutral\u002Fnone",[201,40,40,202,203,40],"39397514","other\u002Fneutral\u002Fnone","zikduruqe",[205,40,40,194,206,40],"39395369","aivisol",[208,40,40,194,209,40],"39396703","greggsy",[211,40,40,194,212,40],"39396713","xtiansimon",[214,40,40,194,215,40],"39401291","xorbax",[217,34,44,218,219,40],"39391371","maker\u002Fpositive\u002Fnone","thom",[174,34,40,199,11,34],[222,34,44,223,224,40],"39392812","project\u002Fpositive\u002Fidea","quantified",[177,34,40,223,11,34],[99,35,44,223,100,40],[228,35,40,202,11,34],"39391815",[230,35,45,231,232,40],"39392877","project\u002Fneutral\u002Fidea","UncleOxidant",[95,45,44,223,96,40],[155,45,45,235,156,40],"project\u002Fneutral\u002Fnone",[237,170,44,223,238,40],"39390658","elevaet",[240,170,40,241,242,40],"39392645","other\u002Fneutral\u002Fidea","mncharity",[244,170,40,245,246,40],"39393922","other\u002Fpositive\u002Fidea","dmje",[248,170,40,202,246,40],"39393990",[250,170,44,223,251,40],"39396913","jiehong",[253,170,44,223,254,40],"39404918","diggernet",[256,44,45,235,257,40],"39390894","jantissler",[259,44,40,202,85,40],"39390969",[261,44,40,202,262,40],"39395016","jnk345u8dfg9hjk",[264,44,45,235,219,40],"39391382",[80,266,45,267,81,40],6,"project\u002Fmixed\u002Fdesign",[64,266,40,269,11,34],"maker\u002Fneutral\u002Fperformance",[111,266,45,271,81,40],"project\u002Fneutral\u002Fperformance",[273,266,40,269,11,34],"39392083",[275,266,45,231,276,40],"39393038","vikingerik",[278,266,45,231,81,40],"39401650",[280,39,40,281,282,40],"39392119","other\u002Fcritical\u002Fnone","savrajsingh",[107,284,34,285,108,40],8,"project\u002Fcritical\u002Fdesign",[140,284,45,271,141,40],[288,284,40,289,290,40],"39391482","commenter\u002Fneutral\u002Fperformance","tocs3",[292,284,40,289,141,40],"39391874",[294,284,40,269,11,34],"39391689",[296,169,44,297,298,40],"39392111","project\u002Fpositive\u002Fnone","lettergram",[300,33,34,301,302,40],"39394902","project\u002Fcritical\u002Fperformance","RobotCaleb",[304,33,40,289,305,40],"39394954","thrance",[307,33,40,194,308,40],"39395085","swyx",[310,33,40,202,311,40],"39395191","quickthrower2",[313,33,40,269,11,34],"39399947",[147,181,40,315,148,40],"other\u002Fneutral\u002Fperformance",[317,32,40,241,318,40],"39394136","7373737373",[119,320,45,235,120,40],13,[322,18,44,323,324,40],"39391125","maker\u002Fpositive\u002Fdesign","milkey_mouse",[326,18,40,199,11,34],"39391729",[328,18,40,202,329,40],"39393980","jacquesm",[331,18,40,202,332,40],"39394097","nibsitaas",[334,18,40,202,335,40],"39394301","bhaney",[84,337,44,297,85,40],15,[88,339,44,297,89,40],16,[131,341,45,231,132,40],17,[343,344,40,202,345,40],"39394217",18,"nicman23",[347,348,40,241,349,40],"39390321",19,"jwitchel",[],[352,357,362,367,371,375],{"id":353,"name":354,"points":355,"category":356},"39429370","htmz",1020,"dev_tools",{"id":358,"name":359,"points":360,"category":361},"39377508","Gitlab Meeting Simulator",353,"productivity",{"id":363,"name":364,"points":365,"category":366},"39379339","Aldi Price Map",348,"data",{"id":368,"name":369,"points":370,"category":20},"39402142","Driftmania",276,{"id":372,"name":373,"points":374,"category":366},"39428609","plprql",267,{"id":376,"name":377,"points":378,"category":379},"39425706","RAM Prices",241,"finance_crypto",false,"v2",{"id":383,"name":5,"line":6,"ai":380,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":30,"top":18,"kw":384,"maker":11,"domain":10,"tier":19,"attempts":40,"strip":385,"url":9,"mix":386,"praise":76,"objection":104,"sub":21},39389858,[24,25,26,27,28],"5000000555053505530303331305100005000530",[32,33,34,35],1794036649774]