{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/j-taro/20050525/20050525131012.jpg","type":"rich","published":"2005-05-25 00:00:01","description":"\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306e\u30a4\u30e1\u30fc\u30b8 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 #include<stdio.h> double tri[3][3]={ // \u4e09\u89d2\u5f62 {10, 50, 40}, {-40, 70, -10}, {2, 8, -25} }; double lay[2][2][3]={ {{-80, 3, 0}, {60, 70, 0}}, // \u4ea4\u308f\u308b\u5149\u7dda {{10, 120, 30}, {160, 230, -30}}, // \u4ea4\u308f\u3089\u306a\u3044\u5149\u7dda }; int intersect_triangle(double orig[3], double dir[3], double vert0[3], double vert1\u2026","blog_title":"j-taro\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/j-taro/","height":"190","url":"https://j-taro.hatenadiary.org/entry/20050525/p1","provider_url":"https://hatena.blog","blog_url":"https://j-taro.hatenadiary.org/","provider_name":"Hatena Blog","title":"\u30ec\u30a4\u3068\u4e09\u89d2\u5f62\u3068\u306e\u4ea4\u5dee\u5224\u5b9a","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fj-taro.hatenadiary.org%2Fentry%2F20050525%2Fp1\" title=\"\u30ec\u30a4\u3068\u4e09\u89d2\u5f62\u3068\u306e\u4ea4\u5dee\u5224\u5b9a - j-taro\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","author_name":"j-taro","width":"100%","categories":[]}