{"type":"rich","categories":["\u7269\u7406"],"description":"/** * reflection of a particle * * @author aa_debdeb * @date 2016/12/30 */ int COUNT = 200; PVector loc, vel; float circleR = 30; void setup(){ size(500, 500); noStroke(); initialize(); } void initialize(){ loc = new PVector(width / 2, height / 2); float velSize = 10; float velAng = random(TWO_PI); \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F30min-processing.hatenablog.com%2Fentry%2F2016%2F12%2F30%2F000000\" title=\"\u30d9\u30af\u30c8\u30eb\u8a08\u7b97\u306b\u3088\u308b\u30d1\u30fc\u30c6\u30a3\u30af\u30eb\u306e\u58c1\u9762\u3067\u306e\u53cd\u5c04 - Daily Creative Coding\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","title":"\u30d9\u30af\u30c8\u30eb\u8a08\u7b97\u306b\u3088\u308b\u30d1\u30fc\u30c6\u30a3\u30af\u30eb\u306e\u58c1\u9762\u3067\u306e\u53cd\u5c04","url":"https://30min-processing.hatenablog.com/entry/2016/12/30/000000","published":"2016-12-30 00:00:00","height":"190","provider_url":"https://hatena.blog","author_name":"aa_debdeb","width":"100%","version":"1.0","blog_url":"https://30min-processing.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/aa_debdeb/","blog_title":"Daily Creative Coding","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/aa_debdeb/20161227/20161227073527.jpg"}