{"id":547,"date":"2009-06-07T14:44:16","date_gmt":"2009-06-07T04:44:16","guid":{"rendered":"http:\/\/www.vectorstorm.org\/?p=547"},"modified":"2009-06-07T16:40:42","modified_gmt":"2009-06-07T06:40:42","slug":"sigh","status":"publish","type":"post","link":"https:\/\/www.vectorstorm.com.au\/2009\/06\/07\/sigh\/","title":{"rendered":"Sigh"},"content":{"rendered":"<p>After all that time fixing and re-fixing VectorStorm&#8217;s 3D engine stuff during the development of Lord, I just found yet another whopper of a bug in VectorStorm&#8217;s 3D projection matrix (the projection matrix is basically used to &#8216;flatten&#8217; 3D objects into a 2D plane so that they can be drawn to the screen) .\u00a0 This one was causing everything to render stretched horizontally.. more stretched, the more widescreen the window was.<\/p>\n<p>Mental note:\u00a0 <em>tan(halfFOV)*aspectRatio<\/em> does not equal <em>tan(halfFOV*aspectRatio)<\/em>.\u00a0 (It&#8217;s so obvious when you write it out like that, <em>innit<\/em>?)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After all that time fixing and re-fixing VectorStorm&#8217;s 3D engine stuff during the development of Lord, I just found yet another whopper of a bug in VectorStorm&#8217;s 3D projection matrix (the projection matrix is basically used to &#8216;flatten&#8217; 3D objects into a 2D plane so that they can be drawn to the screen) .\u00a0 This&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[4,3],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/so9WK-sigh","_links":{"self":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/posts\/547"}],"collection":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/comments?post=547"}],"version-history":[{"count":0,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/posts\/547\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/media?parent=547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/categories?post=547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/tags?post=547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}