{"url":"https://www.omoshiro-suugaku.com/entry/100-day-challenge-day30-spiral-wave","categories":["100\u65e5\u30c1\u30e3\u30ec\u30f3\u30b8","Unity","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"author_url":"https://blog.hatena.ne.jp/Inuosann/","height":"190","published":"2025-11-21 00:29:05","title":"100\u65e5\u306750\u5f3e\uff01 Day 30/ Bullet15\uff1a\u87ba\u65cb\u6ce2\u52d5\u5f3e","author_name":"Inuosann","type":"rich","provider_name":"Hatena Blog","blog_title":"\u3044\u306c\u304a\u3055\u3093\u306e\u304a\u3082\u3057\u308d\u6570\u5b66\u5b9f\u9a13\u5ba4","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/I/Inuosann/20251115/20251115170508.gif","provider_url":"https://hatena.blog","width":"100%","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.omoshiro-suugaku.com%2Fentry%2F100-day-challenge-day30-spiral-wave\" title=\"100\u65e5\u306750\u5f3e\uff01 Day 30/ Bullet15\uff1a\u87ba\u65cb\u6ce2\u52d5\u5f3e - \u3044\u306c\u304a\u3055\u3093\u306e\u304a\u3082\u3057\u308d\u6570\u5b66\u5b9f\u9a13\u5ba4\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://www.omoshiro-suugaku.com/","description":"100\u65e5\u30c1\u30e3\u30ec\u30f3\u30b8\u300e100\u65e5\u306750\u5f3e\uff01\u300f\u7b2c15\u56de\u3001\u87ba\u65cb\u6ce2\u52d5\u5f3e\u3067\u3059\u3002\u5927\u4ef0\u306a\u540d\u524d\u3067\u3059\u304c\u30d4\u30c3\u30bf\u30ea\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u5f3e\u304c\u87ba\u65cb\u3092\u63cf\u304d\u306a\u304c\u3089\u7d30\u304b\u304f\u6ce2\u6253\u3063\u3066\u9032\u307f\u307e\u3059\u3002\u4eca\u56de\u3082\u305d\u3046\u3067\u3059\u304c\u3001\u3053\u308c\u307e\u3067\u3082\u56de\u8ee2\u304c\u7d61\u3080\u3082\u306e\u306f\u591a\u5206\u5de6\u56de\u308a\u3070\u304b\u308a\u3060\u3063\u305f\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002\u30b5\u30f3\u30d7\u30eb\u306a\u306e\u3067\u30e8\u30b7\uff01 t \u3092\u5f3e\u751f\u6210\u4ee5\u6765\u306e\u7d4c\u904e\u6642\u9593\u3068\u3059\u308b\u3068\u3001\u6b21\u306e\u5f0f\u3067\u5f3e\u306f\uff08\u753b\u9762\u5411\u3053\u3046\u5074\u3092\uff5a\u8ef8\u6b63\u306e\u5411\u304d\u3068\u3057\u3066\uff09\u624b\u524d\u306b\u534a\u5f8420\u306e\u5186\u3092\u63cf\u304d\u306a\u304c\u3089\u9032\u307f\u307e\u3059\u3002x = 20cos ty = 20sin tz = -10t\u534a\u5f84\u3092\u6642\u9593\u306b\u3088\u3063\u3066\u5909\u3048\u308c\u3070\u3001\u56de\u8ee2\u3057\u306a\u304c\u3089\u534a\u5f84\u304c\u5909\u308f\u3063\u3066\u9762\u767d\u3044\u52b9\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u6b21\u306e\u5f0f\u3067\u3059\u3002x = (20 + 5 sin(kt))cos ty = (20 + 5 \u2026"}