{"published":"2014-06-13 02:20:22","provider_name":"Hatena Blog","blog_title":"sygh\u306e\u65b0\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u7f6e\u304d\u5834","author_name":"sygh","blog_url":"https://sygh.hatenadiary.jp/","url":"https://sygh.hatenadiary.jp/entry/2014/06/13/022022","categories":["Direct2D","DirectX","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Tips","C++"],"image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/sygh/","type":"rich","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsygh.hatenadiary.jp%2Fentry%2F2014%2F06%2F13%2F022022\" title=\"2\u6b21\u5143\u306e\u540c\u6b21\u5909\u63db\u884c\u5217 - sygh\u306e\u65b0\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u7f6e\u304d\u5834\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\uff08\u3053\u308c\u306f2012-08-04\u306b\u66f8\u3044\u305f\u6545OCN\u30d6\u30ed\u30b0\u306e\u8a18\u4e8b\u3092\u79fb\u690d\u3057\u305f\u3082\u306e\u3067\u3059\uff09MSDN\u306b\u3042\u308bDirect2D\u306e\u4ed8\u9332\u30da\u30fc\u30b8\uff08\u82f1\u8a9e\u7248\u306f\u3053\u3061\u3089\uff09\u306b\u66f8\u3044\u3066\u3042\u308b\u30012\u6b21\u5143\u306e\u56de\u8ee2\u306e3x3\u540c\u6b21\u5909\u63db\u884c\u5217\u306e\u6570\u5f0f\u304c2012\u5e748\u6708\u73fe\u6642\u70b9\u3067\u9593\u9055\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u6b63\u3057\u3044\u3082\u306e\u3092C\u8a00\u8a9e\u69cb\u9020\u4f53\u3063\u307d\u3044\u5f62\u5f0f\u3067\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\u3002\u30fb\u539f\u70b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u56de\u8ee2\u884c\u5217\uff1a R_0 = { { cos\u03b8, sin\u03b8, 0 }, { -sin\u03b8, cos\u03b8, 0 }, { 0, 0, 1 }, }; \u30fb\u4efb\u610f\u306e\u70b9 (x, y) \u3092\u4e2d\u5fc3\u3068\u3059\u308b\u56de\u8ee2\u884c\u5217\uff1a R_1 = { { cos\u03b8, sin\u03b8, 0 }, { -sin\u03b8, cos\u03b8, 0 }, { x*\u2026","title":"2\u6b21\u5143\u306e\u540c\u6b21\u5909\u63db\u884c\u5217","provider_url":"https://hatena.blog","version":"1.0"}