{"blog_url":"https://hanecci.hatenadiary.org/","url":"https://hanecci.hatenadiary.org/entry/20170520/p9","height":"190","description":"(A) ENERGY CONSERVATION IN GAMES http://www.rorydriscoll.com/2009/01/25/energy-conservation-in-games/ (B) Lambert's cosine law : Details of equal brightness effect https://en.wikipedia.org/wiki/Lambert%27s_cosine_law (C) Diffuse reflection https://en.wikipedia.org/wiki/Diffuse_reflection (D) PI or n\u2026","provider_url":"https://hatena.blog","width":"100%","title":" Some links of diffuse reflection","provider_name":"Hatena Blog","image_url":null,"categories":["CG","PBR"],"version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/hanecci/","author_name":"hanecci","blog_title":"OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0","published":"2017-05-20 00:00:09","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhanecci.hatenadiary.org%2Fentry%2F20170520%2Fp9\" title=\" Some links of diffuse reflection - OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}