{"author_name":"rptb1","cat":"LD #17 - Islands - 2010","comments":[],"epoch":1272208920,"likes":0,"metadata":{"p_key":"70839","p_author":"rptb1","p_authorkey":"0","p_urlkey":"106660","p_title":"Scuppered?","p_cat":"LD #17 - Islands - 2010","p_event":"LD17","p_time":"1272208920","p_likes":"0","p_comments":"0","p_status":"UPD5","us_key":null,"us_name":null,"us_username":null,"event_start":"1271980800","event_key":"3","event_name":"LD17"},"text":"<p>My idea may be sunk. I need to find the centre of buoyancy of objects to make it work, and I&#8217;m just finding out how difficult that&#8217;s going to be. Time for a break and a visit to the LDers over at <a href=\"http:\/\/www.cb2bistro.com\/\">CB2<\/a>. \u00a0Mealwhine, if you want to have a go, look at <a href=\"http:\/\/richard.brooksby.org\/2010\/04\/24\/ludum-dare-17-islands\/\">http:\/\/richard.brooksby.org\/2010\/04\/24\/ludum-dare-17-islands\/<\/a> and for a laugh, walk forwards onto the second tile.<\/p>\n <p><img class=\"aligncenter size-medium wp-image-18847\" src=\"http:\/\/www.ludumdare.com\/compo\/wp-content\/uploads\/2010\/04\/Screen-shot-2010-04-25-at-18.06.35-300x224.jpg\" alt=\"Screen shot 2010-04-25 at 18.06.35\" width=\"300\" height=\"224\" srcset=\"http:\/\/ludumdare.com\/compo\/wp-content\/uploads\/2010\/04\/Screen-shot-2010-04-25-at-18.06.35-300x224.jpg 300w, http:\/\/ludumdare.com\/compo\/wp-content\/uploads\/2010\/04\/Screen-shot-2010-04-25-at-18.06.35-550x411.jpg 550w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n <p>Technical details<\/p>\n <ul>\n <li>The character stays upright using a vector\u00a0<a href=\"http:\/\/en.wikipedia.org\/wiki\/PID_controller\">PID controller<\/a> implementation of an <a href=\"http:\/\/en.wikipedia.org\/wiki\/Inverted_pendulum\">inverted pendulum<\/a>, like a <a href=\"http:\/\/en.wikipedia.org\/wiki\/Segway\">Segway<\/a> but in vector space.<\/li>\n <li>The objects float in the water with a buoyancy approximation that&#8217;s unfortunately too approximate to make my floating icebergs idea work properly.<\/li>\n <\/ul>\n <p>The overall game was just going to be \u201cget from A to B\u201d by jumping from precarious floating object to other precarious floating object, such as ice blocks, lilos, rubber rings, etc.<\/p>\n <p>If I can solve the buoyancy problem in the next hour or so I might get at least a prototype up.<\/p>","time":"April 25th, 2010 10:22 am","title":"Scuppered?"}