[{"data":1,"prerenderedAt":150},["ShallowReactive",2],{"project-8607269":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":28,"sentiment":29,"stance_mix":30,"scored_comments":14,"aspects":34,"strip":38,"post_text":29,"what":39,"said":49,"maker_in_thread":86,"shape":93,"grid":95,"attempts":112,"same_week":113,"maker_shows":33,"maker_hidden":143,"reader_version":144,"card":145},"8607269","Sail boat simulation v2","Sail boat simulation v2 with web gl – try to sail into the wind","title","Show HN: Sail boat simulation v2 with web gl – try to sail into the wind","http:\u002F\u002Fimakesnowflakes.com\u002Ffun\u002Fsail-gl.html","imakesnowflakes.com","imakesnowflakes",1415975654,2014,4,8,2153,2272,95,"shown","games","physics simulation","web_app",[24,25,26,27],"sailing simulation","webgl","boat physics","wind particles","quiet",null,{"positive":31,"neutral":32,"mixed":31,"critical":33},0,1,3,{"design":35,"execution":37},{"positive":31,"critical":36},2,{"positive":31,"critical":31},[31,32,32,31,31,33,32,31],{"problem":29,"audience":29,"pricing":29,"motivation":29,"time_to_build":29,"stack":40,"openness":48,"stage":48,"team_size":48},[41],{"value":42,"source":43,"evidence":44},"WebGL","maker",[45],{"id":46,"by":11,"text":47},"8607274","This is a follow-up to my earlier submission, https:\u002F\u002Fnews.ycombinator.com\u002Fitem?id=8427086, which was a very rough simulation of a sail boat. I have re-written it using webgl, so…","unknown",{"praise":50,"objections":51,"requests":73,"questions":78,"alternatives":85},[],[52,60,66],{"value":53,"source":54,"evidence":55},"Controls are hard to use and the sail does not visibly change","commenter",[56],{"id":57,"by":58,"text":59},"8608032","mod","If something is changing on the animation, I can't tell. One of the four control buttons has functionality (I was increasing the rudder angle, I believe).",{"value":61,"source":54,"evidence":62},"Does not reset when the boat leaves the screen",[63],{"id":64,"by":58,"text":65},"8608062","Also doesn't reset, even when the boat leaves the screen (or hits the purple lines). Yeah, I'm not good. Your first submission, I was much better that time.",{"value":67,"source":54,"evidence":68},"Sail controls did not work on Mac keyboard shortcuts",[69],{"id":70,"by":71,"text":72},"8607538","ceeK","I can't seem to turn the sail on a mac. Cmd+left\u002Fright doesn't work, and Ctrl+left\u002Fright switches desktops.",[74],{"value":75,"source":54,"evidence":76},"Support Mac keyboard controls",[77],{"id":70,"by":71,"text":72},[79],{"value":80,"source":54,"evidence":81},"Do the sail and rudder respond to key presses?",[82],{"id":83,"by":11,"text":84},"8608366","Not sure I follow you. Do you mean you can't tell if the sail and rudder are responding to key presses?",[],{"comments":14,"answered":31,"key":87},[88,89,92],{"id":46,"text":47},{"id":90,"text":91},"8608384","It won't reset until the sail's pivot point has crossed the purple lines. You are right about it not resetting when leaving the screen.I missed that.. Thanks for taking a look. :)",{"id":83,"text":84},{"commenters":33,"max_depth":33,"maker_replies":14,"first_comment_mins":31,"lifespan_hours":94},5,[96,98,100,102,104,106,108,109],[46,31,31,97,11,32],"project\u002Fneutral\u002Fexecution",[57,32,32,99,58,31],"project\u002Fcritical\u002Fdesign",[64,32,32,101,58,31],"maker\u002Fcritical\u002Fnone",[90,32,31,103,11,32],"commenter\u002Fneutral\u002Fnone",[83,32,31,105,11,32],"maker\u002Fneutral\u002Fnone",[107,32,33,97,58,31],"8608871",[70,36,32,99,71,31],[110,36,31,111,11,32],"8607575","project\u002Fneutral\u002Fdesign",[],[114,119,124,129,133,138],{"id":115,"name":116,"points":117,"category":118},"8608358","Explained Visually",353,"learning_science",{"id":120,"name":121,"points":122,"category":123},"8631158","LanguageExt",164,"languages",{"id":125,"name":126,"points":127,"category":128},"8616738","pyspider",159,"dev_tools",{"id":130,"name":131,"points":132,"category":20},"8615416","SineRider",137,{"id":134,"name":135,"points":136,"category":137},"8631223","Picky Pint",134,"consumer_social",{"id":139,"name":140,"points":141,"category":142},"8623864","WikiWash",131,"productivity",false,"v2",{"id":146,"name":5,"line":6,"ai":143,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":147,"maker":11,"domain":10,"tier":19,"attempts":31,"strip":148,"url":9,"mix":149,"praise":-1,"objection":53,"sub":21},8607269,[24,25,26,27],"01100310",[31,32,31,33],1794036525079]