{"published":"2022-12-23 05:00:00","title":"\u30b7\u30a7\u30fc\u30c0\u30fc\u306b\u304a\u3051\u308b\u30bc\u30ed\u30d9\u30af\u30c8\u30eb\u306e\u6b63\u898f\u5316","height":"190","description":"\u30b7\u30a7\u30fc\u30c0\u30fc\u306b\u304a\u3044\u3066\uff0c\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3042\u308b normalize() \u306b\u30bc\u30ed\u30d9\u30af\u30c8\u30eb\u3092\u6e21\u3057\u305f\u5834\u5408\uff0cNaN \u306b\u306a\u308b\uff0e \u6b63\u898f\u5316\u30d9\u30af\u30c8\u30eb\u306e\u5b9a\u7fa9\u304b\u3089\u3082\u5f53\u7136\u3067\u3042\u308b\uff0e \\begin{equation} normalize(\\boldsymbol{v}) = \\dfrac{\\boldsymbol{v}}{\\| \\boldsymbol{v} \\|} \\end{equation} \u30b7\u30a7\u30fc\u30c0\u30fc\u3068\u3057\u3066\u306f normalize() \u306f\u4e0b\u8a18\u306e\u5b9f\u88c5\u3068\u540c\u7b49\u3067\u3042\u308b\uff0e float3 \u3092\u4e00\u4f8b\u3068\u3057\u3066\u3044\u308b\u304c\uff0cfloat2 \u3084 float4 \u7b49\u3067\u3082\u540c\u69d8\u3067\u3042\u308b\uff0e float3 normalize(float3 v) { return rsqrt\u2026","image_url":null,"blog_url":"https://koturn.hatenablog.com/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/koturn/","version":"1.0","blog_title":"koturn\u306e\u65e5\u8a18","width":"100%","url":"https://koturn.hatenablog.com/entry/2022/12/23/050000","categories":["Unity","Shader"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkoturn.hatenablog.com%2Fentry%2F2022%2F12%2F23%2F050000\" title=\"\u30b7\u30a7\u30fc\u30c0\u30fc\u306b\u304a\u3051\u308b\u30bc\u30ed\u30d9\u30af\u30c8\u30eb\u306e\u6b63\u898f\u5316 - koturn\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>","author_name":"koturn","type":"rich"}