[{"data":1,"prerenderedAt":257},["ShallowReactive",2],{"project-42104224":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":34,"aspects":35,"strip":39,"post_text":41,"what":42,"said":66,"maker_in_thread":111,"shape":124,"grid":128,"attempts":218,"same_week":219,"maker_shows":113,"maker_hidden":249,"reader_version":250,"card":251},"42104224","Krita RGBA Tech","Bringing Realistic Metal to Life in Open-Source Art","title","Show HN: Krita RGBA Tech – Bringing Realistic Metal to Life in Open-Source Art","https:\u002F\u002Fgithub.com\u002FDraneria\u002FMetallics-by-Draneria_Krita-Brushes","github.com","draneria",1731293126,2024,271,33,254,3515,8,"legend","creative","digital painting brushes","other",[24,25,26,27],"krita brushes","metallic brushes","rgba brushtip","foss art","loved",0.645,{"positive":31,"neutral":32,"mixed":33,"critical":33},11,3,0,14,{"docs":36,"idea":37,"design":38},{"positive":33,"critical":33},{"positive":32,"critical":33},{"positive":32,"critical":33},[32,33,40,33,32,33,40,40,40,33,32,33,33,33,33,33,40,40,40,40,40,40,40,33,33,33,33,33,33,33,33,33,33],5,"Krita's v4.2+ RGBA brushtips let you paint with dimensionality, and it's a technology that Photoshop doesn't have (≖‿ゝ≖)\n\nIt lets the creator do things like emulating light direction, making brushstrokes look 3D.\n\nI used them to make a set of metallic brushes. If there are any FOSS artists around, feel free to test them out.\n\n(p.s. Yes, I am learning Github so I probably made repository mistakes - apologies in advance lol)",{"problem":43,"audience":49,"pricing":53,"motivation":54,"time_to_build":53,"stack":58,"openness":63,"stage":64,"team_size":65},{"value":44,"source":45,"evidence":46},"Realistic metal painting with dimensional lighting in Krita","maker",[47],{"id":48},"post",{"value":50,"source":45,"evidence":51},"FOSS digital artists using Krita",[52],{"id":48},null,{"value":55,"source":45,"evidence":56},"Make metallic brushes using Krita's RGBA brushtip feature",[57],{"id":48},[59],{"value":60,"source":45,"evidence":61},"Krita RGBA brushtips",[62],{"id":48},"open_source","launched","solo",{"praise":67,"objections":76,"requests":77,"questions":78,"alternatives":93},[68],{"value":69,"source":70,"evidence":71},"Demo gif impressive","commenter",[72],{"id":73,"by":74,"text":75},"42106098","Aeolun","Honestly, I’m most impressed by that fantastic demo gif.",[],[],[79,86],{"value":80,"source":70,"evidence":81},"What does the brush do, does it create a normal map?",[82],{"id":83,"by":84,"text":85},"42106590","Llamamoe","So what does it do? Create a normal map while drawing?",{"value":87,"source":70,"evidence":88},"How baked in is the light position?",[89],{"id":90,"by":91,"text":92},"42107449","itishappy","Memileo's results and your own are both incredible. Wow. How baked in is the light position? I'd imagine it's possible to rotate the light in editor but not change it's height…",[94,105],{"value":95,"source":70,"evidence":96},"Photoshop",[97,101],{"id":98,"by":99,"text":100},"42114574","michael0x11","Pretty neat tech - the RGBA brush engine in Krita is doing something fundamentally different from PS's basic alpha masks. Being able to encode directional data in the brush tip…",{"id":102,"by":103,"text":104},"42107556","short_sells_poo","Photoshop and other painting software had \"intelligent\" brushes for a while now. These try to simulate stuff like paint mixing (even watercolor), opacity and texture.",{"value":106,"source":45,"evidence":107},"Rebelle",[108],{"id":109,"by":11,"text":110},"42112237","Could you give me an example? I'd love to know more about the watercolour paint mixing. If you meant the \"live tip\" settings of Photoshop, you can do all that in Krita too, using…",{"comments":112,"answered":113,"key":114},10,2,[115,118,121],{"id":116,"text":117},"42107882","Added! Thank you for pointing that out (´｡• ᵕ •｡`)",{"id":119,"text":120},"42104869","Thank you! Last year there was a special breakthrough for Krita, because a contributor called Memileo figured out a way to bake light into the brushes using Blender. They made a…",{"id":122,"text":123},"42107860","Ah, you would need to ask them for a concrete answer, but my understanding is that it is completely baked in. Long optional explanation: I say that because I think Memileo…",{"commenters":125,"max_depth":126,"maker_replies":112,"first_comment_mins":127,"lifespan_hours":15},20,6,184,[129,133,135,139,141,143,144,146,150,151,153,154,156,158,159,161,163,168,171,175,179,182,184,187,191,195,199,201,205,208,212,214,216],[130,33,32,131,132,33],"42106121","maker\u002Fneutral\u002Fdocs","atmanactive",[116,33,33,131,11,134],1,[136,134,40,137,138,33],"42104818","project\u002Fpositive\u002Fidea","solfleur",[119,134,33,140,11,134],"project\u002Fneutral\u002Fidea",[90,134,32,142,91,33],"project\u002Fneutral\u002Fdesign",[122,134,33,142,11,134],[145,134,40,137,91,33],"42108009",[147,134,40,148,149,33],"42109931","maker\u002Fpositive\u002Fnone","stuaxo",[98,113,40,137,99,33],[152,113,33,137,11,134],"42114624",[83,32,32,140,84,33],[155,32,33,140,11,134],"42107217",[102,32,33,157,103,33],"commenter\u002Fneutral\u002Fnone",[109,32,33,157,11,134],[160,32,33,157,103,33],"42114455",[162,32,33,137,11,134],"42114696",[164,165,40,166,167,33],"42105568",4,"project\u002Fpositive\u002Fdesign","getToTheChopin",[169,40,40,166,170,33],"42109465","isodev",[172,126,40,173,174,33],"42105558","project\u002Fpositive\u002Fnone","retSava",[176,177,40,166,178,33],"42108632",7,"bloopernova",[180,18,40,148,181,33],"42107700","jeremyscanvic",[73,183,40,173,74,33],9,[185,112,40,173,186,33],"42112252","lttlrck",[188,31,33,189,190,33],"42105634","other\u002Fneutral\u002Fnone","metallicss",[192,31,33,193,194,33],"42106844","other\u002Fmixed\u002Fperformance","esperent",[196,31,33,197,198,33],"42109400","other\u002Fneutral\u002Fperformance","jraph",[200,31,33,197,194,33],"42112430",[202,31,33,203,204,33],"42107470","other\u002Fneutral\u002Fidea","mattkevan",[206,31,33,207,11,134],"42107736","other\u002Fpositive\u002Fexecution",[209,31,33,210,211,33],"42110809","other\u002Fneutral\u002Fexecution","kroltan",[213,31,33,189,11,134],"42112387",[215,31,33,189,178,33],"42108578",[217,31,33,189,11,134],"42112404",[],[220,225,230,235,239,244],{"id":221,"name":222,"points":223,"category":224},"42082430","Jamcorder",590,"hardware",{"id":226,"name":227,"points":228,"category":229},"42093511","HTML-to-Markdown",360,"dev_tools",{"id":231,"name":232,"points":233,"category":234},"42118039","Stretch My Time Off",358,"productivity",{"id":236,"name":237,"points":238,"category":234},"42119042","Jelly",338,{"id":240,"name":241,"points":242,"category":243},"42085036","Asterogue",331,"games",{"id":245,"name":246,"points":247,"category":248},"42095879","Jaws",290,"languages",false,"v2",{"id":252,"name":5,"line":6,"ai":249,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":253,"top":18,"kw":254,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":255,"url":9,"mix":256,"praise":69,"objection":-1,"sub":21},42104224,0.65,[24,25,26,27],"305030555030000055555550000000000",[31,32,33,33],1794036664120]