{"title":" Japanese memo of \"some definition about AO\"","provider_name":"Hatena Blog","published":"2014-06-18 00:00:02","image_url":null,"categories":["MEMO","CG"],"version":"1.0","blog_title":"OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0","height":"190","blog_url":"https://hanecci.hatenadiary.org/","url":"https://hanecci.hatenadiary.org/entry/20140618/p3","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhanecci.hatenadiary.org%2Fentry%2F20140618%2Fp3\" title=\" Japanese memo of &quot;some definition about AO&quot; - 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>","type":"rich","width":"100%","description":"\u53c2\u7167 ShaderX7 \"6.2 Image-Space Horizon-Based Ambient Occlusion by Louis Bavoil and Miguel Sainz\" \u30e1\u30e2 ShaderX7 \u306b\u8f09\u3063\u3066\u3044\u305f AO \u306e\u9069\u7528\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30e1\u30e2\u3067\u3059. \u4e0b\u306b\u51fa\u3066\u304f\u308b V(\u03c9)\u306f\u53ef\u8996\u6027\u3092\u793a\u3057\u3066\u3044\u3066, \u958b\u3044\u305f\u7a7a\u9593\u3067\u306f V(\u03c9)=1, \u30b8\u30aa\u30e1\u30c8\u30ea\u306b\u30d2\u30c3\u30c8\u3057\u305f\u5834\u5408\u306f V(\u03c9)=0 \u306b\u306a\u308a\u307e\u3059. \u30d1\u30bf\u30fc\u30f3 0 A_0 = 1 - ( 1 / PI ) * \u222b V(\u03c9)(\u03c9 dot n) d\u03c9 \u610f\u5473\u5408\u3044 \u74b0\u5883\u5149\u306e\u30c7\u30a3\u30d5\u30e5\u30fc\u30ba\u53cd\u5c04(\u5177\u4f53\u7684\u306b\u306f\u30e9\u30f3\u30d0\u30fc\u30c8\u53cd\u5c04)\u3068\u8003\u3048\u3089\u308c\u307e\u3059. ( \"the diff\u2026","author_url":"https://blog.hatena.ne.jp/hanecci/","provider_url":"https://hatena.blog","author_name":"hanecci"}