{"id":15,"date":"2005-03-17T20:26:05","date_gmt":"2005-03-18T01:26:05","guid":{"rendered":"http:\/\/www.essentialmath.com\/blog\/?p=15"},"modified":"2005-03-25T20:16:15","modified_gmt":"2005-03-26T01:16:15","slug":"quick-update","status":"publish","type":"post","link":"https:\/\/www.essentialmath.com\/blog\/?p=15","title":{"rendered":"Quick Update"},"content":{"rendered":"<p>Due to sickness and unexpected work, I haven&#8217;t had a chance to do some of the updates I&#8217;d planned.  I&#8217;m working on a write-up about computing center of mass, since I botched that badly during the presentation.    I still need to do a little more research to make sure I got it right, though.  The Mirtich and Eberly presentations are mostly formula manipulation, and not intuitive from the geometric standpoint.<\/p>\n<p>Until then, here&#8217;s an article by Joe van den Heuvel and<br \/>\nMiles Jackson regarding sphere collision: <a href=\"http:\/\/www.gamasutra.com\/features\/20020118\/vandenhuevel_01.htm\">Pool Hall Lessons<\/a>.  Someone recommended it as an alternative method for dynamic sphere-sphere collision.  Looking at it, it appears that it might be faster than the one I came up with; certainly so in the average case, as it culls out obvious misses early.  But again, I haven&#8217;t had a chance to do an in-depth analysis of it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Due to sickness and unexpected work, I haven&#8217;t had a chance to do some of the updates I&#8217;d planned. I&#8217;m working on a write-up about computing center of mass, since I botched that badly during the presentation. I still need to do a little more research to make sure I got it right, though. The [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,6],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-general","category-tutorial"],"_links":{"self":[{"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15"}],"version-history":[{"count":0,"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/15\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.essentialmath.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}