{"id":2488,"date":"2012-05-06T11:24:57","date_gmt":"2012-05-06T01:24:57","guid":{"rendered":"http:\/\/www.vectorstorm.org\/?p=2488"},"modified":"2012-05-06T11:24:57","modified_gmt":"2012-05-06T01:24:57","slug":"surface-acne","status":"publish","type":"post","link":"https:\/\/www.vectorstorm.com.au\/2012\/05\/06\/surface-acne\/","title":{"rendered":"Surface acne"},"content":{"rendered":"<p><a href=\"http:\/\/www.vectorstorm.org\/wp-content\/uploads\/2012\/05\/MMORPG2ScreenSnapz002.jpg\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-2489\" title=\"MMORPG2ScreenSnapz002\" src=\"http:\/\/www.vectorstorm.org\/wp-content\/uploads\/2012\/05\/MMORPG2ScreenSnapz002-300x173.jpg\" alt=\"\" width=\"300\" height=\"173\" srcset=\"https:\/\/www.vectorstorm.com.au\/wp-content\/uploads\/2012\/05\/MMORPG2ScreenSnapz002-300x173.jpg 300w, https:\/\/www.vectorstorm.com.au\/wp-content\/uploads\/2012\/05\/MMORPG2ScreenSnapz002-1024x593.jpg 1024w, https:\/\/www.vectorstorm.com.au\/wp-content\/uploads\/2012\/05\/MMORPG2ScreenSnapz002.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>This is what I&#8217;m struggling with right now.<\/p>\n<p>In discussions about shadows, these sorts of odd striations and blemishes are generally referred to as &#8220;self-shadow surface acne&#8221;. They&#8217;re commonly caused by math imprecision when a surface (such as here, the mountain) throws a shadow onto itself.\u00a0 The shadow-caster and the shadow-receiver are so close together (ie: directly on top of one another), that sometimes the math flips their order around.\u00a0 This results in these interesting stripe patterns.<\/p>\n<p>Hope it doesn&#8217;t take me too long to sort them out.\u00a0 I&#8217;d really like to finish shadows today and get back to items.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is what I&#8217;m struggling with right now. In discussions about shadows, these sorts of odd striations and blemishes are generally referred to as &#8220;self-shadow surface acne&#8221;. They&#8217;re commonly caused by math imprecision when a surface (such as here, the mountain) throws a shadow onto itself.\u00a0 The shadow-caster and the shadow-receiver are so close together&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":[24,25],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/po9WK-E8","_links":{"self":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/posts\/2488"}],"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=2488"}],"version-history":[{"count":0,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/posts\/2488\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/media?parent=2488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/categories?post=2488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vectorstorm.com.au\/wp-json\/wp\/v2\/tags?post=2488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}