{"id":904,"date":"2014-12-09T06:11:10","date_gmt":"2014-12-09T06:11:10","guid":{"rendered":"http:\/\/lousodrome.net\/blog\/light\/?p=904"},"modified":"2014-12-09T15:37:04","modified_gmt":"2014-12-09T15:37:04","slug":"relativistic-and-non-euclidean-space-rendering","status":"publish","type":"post","link":"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/","title":{"rendered":"Relativistic and non euclidean space rendering"},"content":{"rendered":"<p>The Portal series built a full game concept out of non euclidean spaces. Besides being great games, I think it is fascinating how true the tagline <em>&#8220;Now you&#8217;re thinking with portals&#8221;<\/em> is.<\/p>\n<p>Here are two interesting experiments putting the person in different spaces than we are used to due to real world conditions. This video by <a href=\"http:\/\/rvarun.tumblr.com\/\">Varun Ramesh<\/a> demonstrates a non-euclidean ray tracer:<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/YvU-srHhQxw\" width=\"500\" height=\"281\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>This other video by the <a href=\"http:\/\/gamelab.mit.edu\/\">MIT Game Lab<\/a> demonstrates <a href=\"http:\/\/gamelab.mit.edu\/research\/openrelativity\/\">OpenRelativity<\/a>, a Unity toolkit allowing simulation of navigation at relativistic speeds, used for the prototype game <a href=\"http:\/\/gamelab.mit.edu\/games\/a-slower-speed-of-light\/\">A Slower Speed of Light<\/a>:<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/qol-zP9W5J4\" width=\"500\" height=\"281\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><strong>Update:<\/strong> Sylvain mentioned in comments that Carl Sagan explains those effects in the following video:<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/-CIs3jOnfiM\" width=\"500\" height=\"375\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Portal series built a full game concept out of non euclidean spaces. Besides being great games, I think it is fascinating how true the tagline &#8220;Now you&#8217;re thinking with portals&#8221; is. Here are two interesting experiments putting the person &hellip; <a href=\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17,20],"tags":[348,599,30,601,126,602,600,433,46],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Relativistic and non euclidean space rendering &ndash; Light is beautiful<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Relativistic and non euclidean space rendering &ndash; Light is beautiful\" \/>\n<meta property=\"og:description\" content=\"The Portal series built a full game concept out of non euclidean spaces. Besides being great games, I think it is fascinating how true the tagline &#8220;Now you&#8217;re thinking with portals&#8221; is. Here are two interesting experiments putting the person &hellip; Continue reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\" \/>\n<meta property=\"og:site_name\" content=\"Light is beautiful\" \/>\n<meta property=\"article:published_time\" content=\"2014-12-09T06:11:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-12-09T15:37:04+00:00\" \/>\n<meta name=\"author\" content=\"Julien Guertault\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Zavie\" \/>\n<meta name=\"twitter:site\" content=\"@Zavie\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Julien Guertault\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\"},\"author\":{\"name\":\"Julien Guertault\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"headline\":\"Relativistic and non euclidean space rendering\",\"datePublished\":\"2014-12-09T06:11:10+00:00\",\"dateModified\":\"2014-12-09T15:37:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\"},\"wordCount\":114,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"keywords\":[\"demo\",\"doppler shift\",\"MIT\",\"non-euclidean\",\"ray tracing\",\"relativistic speed\",\"speed of light\",\"Unity\",\"video\"],\"articleSection\":[\"Rendering\",\"Science\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\",\"url\":\"https:\/\/lousodrome.net\/blog\/light\/2014\/12\/09\/relativistic-and-non-euclidean-space-rendering\/\",\"name\":\"Relativistic and non euclidean space rendering &ndash; 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