{"id":120,"date":"2012-01-19T06:14:32","date_gmt":"2012-01-19T06:14:32","guid":{"rendered":"http:\/\/lousodrome.net\/blog\/light\/?p=120"},"modified":"2012-10-17T09:21:56","modified_gmt":"2012-10-17T09:21:56","slug":"epsilon-a-64k-intro-by-mercury","status":"publish","type":"post","link":"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/19\/epsilon-a-64k-intro-by-mercury\/","title":{"rendered":"Epsilon, a 64k intro by Mercury"},"content":{"rendered":"<p>Last weekend the demogroup Mercury released at <a href=\"http:\/\/tokyo-demo-fest.jpn.org\/2012\/?lang=en\">Tokyo\u00a0Demo\u00a0Fest<\/a> the final version of their invitation to the upcoming <a href=\"http:\/\/www.revision-party.net\/\">Revision party<\/a>: a 64kB demo called <a href=\"http:\/\/pouet.net\/prod.php?which=58262\">Epsilon<\/a>. While the complexity of the scenes is very limited, the rendering, seemingly a raymarching shader, features a couple of very noteworthy real-time effects including ambient occlusion, reflexion (up to two iterations it seems) and refraction, caustics, and an hexagonal bokeh depth of field.<\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/KPKqDmvOdjs?rel=0\" frameborder=\"0\" width=\"500\" height=\"284\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last weekend the demogroup Mercury released at Tokyo\u00a0Demo\u00a0Fest the final version of their invitation to the upcoming Revision party: a 64kB demo called Epsilon. While the complexity of the scenes is very limited, the rendering, seemingly a raymarching shader, features &hellip; <a href=\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/19\/epsilon-a-64k-intro-by-mercury\/\">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":{"footnotes":""},"categories":[3,17],"tags":[78,74,71,77,35,70,204,75,76,79,223,68],"class_list":["post-120","post","type-post","status-publish","format-standard","hentry","category-demoscene","category-rendering","tag-64k","tag-ambient-occlusion","tag-bokeh","tag-caustics","tag-scene","tag-depth-of-field","tag-ray-marching","tag-reflection","tag-refraction","tag-revision","tag-size-coding","tag-tokyodemofest"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Epsilon, a 64k intro by Mercury &#8211; 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=\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/19\/epsilon-a-64k-intro-by-mercury\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Epsilon, a 64k intro by Mercury &#8211; Light is beautiful\" \/>\n<meta property=\"og:description\" content=\"Last weekend the demogroup Mercury released at Tokyo\u00a0Demo\u00a0Fest the final version of their invitation to the upcoming Revision party: a 64kB demo called Epsilon. While the complexity of the scenes is very limited, the rendering, seemingly a raymarching shader, features &hellip; Continue reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"http:\/\/lousodrome.net\/blog\/light\/2012\/01\/19\/epsilon-a-64k-intro-by-mercury\/\" \/>\n<meta property=\"og:site_name\" content=\"Light is beautiful\" \/>\n<meta property=\"article:published_time\" content=\"2012-01-19T06:14:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-10-17T09:21:56+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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/\"},\"author\":{\"name\":\"Julien Guertault\",\"@id\":\"https:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/#\\\/schema\\\/person\\\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"headline\":\"Epsilon, a 64k intro by Mercury\",\"datePublished\":\"2012-01-19T06:14:32+00:00\",\"dateModified\":\"2012-10-17T09:21:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/\"},\"wordCount\":75,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/#\\\/schema\\\/person\\\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"keywords\":[\"64k\",\"ambient occlusion\",\"bokeh\",\"caustics\",\"demoscene\",\"depth of field\",\"ray marching\",\"reflection\",\"refraction\",\"Revision\",\"size coding\",\"TokyoDemoFest\"],\"articleSection\":[\"Demoscene\",\"Rendering\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/\",\"url\":\"http:\\\/\\\/lousodrome.net\\\/blog\\\/light\\\/2012\\\/01\\\/19\\\/epsilon-a-64k-intro-by-mercury\\\/\",\"name\":\"Epsilon, a 64k intro by Mercury &#8211; 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