{"blog_title":"babu_babu_baboo\u306e\u30b4\u30df\u7bb1","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabu-babu-baboo.hateblo.jp%2Fentry%2F2020%2F12%2F12%2F120531\" title=\"PerlinNoise - babu_babu_baboo\u306e\u30b4\u30df\u7bb1\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","categories":[],"title":"PerlinNoise","version":"1.0","author_url":"https://blog.hatena.ne.jp/babu_babu_baboo/","description":"class PerlinNoise { constructor (random = Math.random) { this.random = random; this.gradient = new Map; } randomGradient (x) { if (! this.gradient.has (x)) this.gradient.set (x, this.random () * 2 -1); return this.gradient.get (x); } noise (x) { let x0 = x |0, x1 = x0 + 1, r0 = x - x0, r1 = r0 - 1, \u2026","blog_url":"https://babu-babu-baboo.hateblo.jp/","provider_url":"https://hatena.blog","width":"100%","url":"https://babu-babu-baboo.hateblo.jp/entry/2020/12/12/120531","image_url":null,"author_name":"babu_babu_baboo","published":"2020-12-12 12:05:31","provider_name":"Hatena Blog"}