{"id":622,"date":"2021-01-25T08:50:10","date_gmt":"2021-01-25T08:50:10","guid":{"rendered":"https:\/\/www.root42.de\/blog\/?p=622"},"modified":"2021-01-25T08:50:10","modified_gmt":"2021-01-25T08:50:10","slug":"lets-code-ms-dos-0x1a-i-am-not-an-atomic-playboy-the-rotozoomer","status":"publish","type":"post","link":"https:\/\/www.root42.de\/blog\/?p=622","title":{"rendered":"Let&#8217;s Code MS DOS 0x1A: I Am Not An Atomic Playboy! (The Rotozoomer)"},"content":{"rendered":"\n<p>Back in 1993 the Future Crew published \u201eSecond Reality\u201c on the PC. This was a mega-demo of epic proportions. It showcases many new and some old effects with a brilliant soundtrack. One of the effects that was very well done and that stuck in my mind was the \u201erotozoomer\u201c. A tiling image being rotated and scaled in a very fluent animation. As a kid I wondered how it\u2019s done. Later I learned the maths behind this and today we want to explore this simple yet brilliant effect. In this part we will deal with the basics and implement a floating point version. However the original code used fixed point integer arithmetics, which we will visit in a second video\u2026<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Let&#039;s Code MS DOS 0x1A: I Am Not An Atomic Playboy! The Rotozoomer\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/8uUrj2WOXlk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Back in 1993 the Future Crew published \u201eSecond Reality\u201c on the PC. This was a mega-demo of epic proportions. It showcases many new and some old effects with a brilliant soundtrack. One of the effects that was very well done and that stuck in my mind was the \u201erotozoomer\u201c. A tiling image being rotated and &hellip; <a href=\"https:\/\/www.root42.de\/blog\/?p=622\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Let&#8217;s Code MS DOS 0x1A: I Am Not An Atomic Playboy! (The Rotozoomer)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[147],"_links":{"self":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/622"}],"collection":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=622"}],"version-history":[{"count":1,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/622\/revisions"}],"predecessor-version":[{"id":623,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/622\/revisions\/623"}],"wp:attachment":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}