{"type":"rich","description":"\u30b5\u30a4\u30f3\u3001\u30b3\u30b5\u30a4\u30f3\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8 \uff03\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u5834\u5408\u306e\u306f\u306a\u3057 \u76f4\u89d2\u4ee5\u5916\u306e\u89d2\u5ea6\u304b\u3089\u9577\u3055\u306e\u6bd4\u7387\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002 sin\u03b8 = \u5bfe\u8fba / \u659c\u8fba \u2192\u5bfe\u8fba\u304c\u6c42\u307e\u308b\u3002\uff1d Y\u5ea7\u6a19\u306b\u3042\u305f\u308b\u3002 cos\u03b8 = \u96a3\u8fba / \u659c\u8fba \u2192\u96a3\u8fba\u304c\u6c42\u307e\u308b\u3002\uff1d X\u5ea7\u6a19\u306b\u3042\u305f\u308b\u3002 tan\u03b8 = \u5bfe\u8fba / \u96a3\u8fba \u30a2\u30fc\u30af\u30b5\u30a4\u30f3\u3001\u30a2\u30fc\u30af\u30b3\u30b5\u30a4\u30f3\u3001\u30a2\u30fc\u30af\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8 \u30b5\u30a4\u30f3\u3001\u30b3\u30b5\u30a4\u30f3\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u306e\u5024(\u3064\u307e\u308a\u9577\u3055\u306e\u6bd4\u7387)\u304b\u3089\u3001\u89d2\u5ea6\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002 libgdx\u3067\u306f\u30a2\u30fc\u30af\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u3092\u6c42\u3081\u3066\u304f\u308c\u308b\u95a2\u6570\u2193 \u6bd4\u7387\u3067\u306f\u306a\u304f\u3001\u9577\u3055\u305d\u306e\u3082\u306e\u304c\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u306a\u3063\u3066\u3044\u308b\u3002 float angle = MathUtils.atan2( screen\u2026","blog_title":"\u30b2\u30fc\u30e0\u4f5c\u308b\u305f\u3081\u306e\u3053\u3068\u5b66\u3076dev\u308d\u3050(\u2019\u30fc\u2019)/\uff81\uff6c\uff97\uff9d","image_url":null,"published":"2016-01-03 16:37:55","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.snoopopo.com%2Fentry%2F2016%2F01%2F03%2F163755\" title=\"2D\u30b2\u30fc\u30e0\u306e\u6570\u5b66\u3089\u3078\u3093\u306e\u3053\u3068\u307e\u3068\u3081 - \u30b2\u30fc\u30e0\u4f5c\u308b\u305f\u3081\u306e\u3053\u3068\u5b66\u3076dev\u308d\u3050(\u2019\u30fc\u2019)/\uff81\uff6c\uff97\uff9d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","categories":["libGDX"],"height":"190","blog_url":"https://www.snoopopo.com/","version":"1.0","title":"2D\u30b2\u30fc\u30e0\u306e\u6570\u5b66\u3089\u3078\u3093\u306e\u3053\u3068\u307e\u3068\u3081","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/snoopopo/","url":"https://www.snoopopo.com/entry/2016/01/03/163755","author_name":"snoopopo"}