{"id":5488,"date":"2016-06-21T01:47:31","date_gmt":"2016-06-20T16:47:31","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=5488"},"modified":"2026-05-12T22:45:19","modified_gmt":"2026-05-12T13:45:19","slug":"dynamic_array","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/dynamic_array\/","title":{"rendered":"\u52d5\u7684\u914d\u5217"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u3001\u914d\u5217\u306e\u8981\u7d20\u6570\u306fnew int[10]\u306a\u3069\u306e\u3088\u3046\u306b\u59cb\u3081\u306b\u6c7a\u3081\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5b9f\u306f\u3053\u306e\u3084\u308a\u65b9\u3060\u3068\u3001\u6700\u521d\u306b\u3069\u306e\u3050\u3089\u3044\u5fc5\u8981\u304b\u308f\u304b\u3089\u306a\u3044\u6642\u306b\u306f\u4e0d\u4fbf\u3067\u3059\u3002<br>\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u6b21\u7b2c\u3067\u3069\u3093\u3069\u3093\u5897\u3084\u305b\u308b\u3068\u4fbf\u5229\u305d\u3046\u3067\u3059\u3002<br>\u5b9f\u306f\u307f\u306a\u3055\u3093\u304c\u3059\u3067\u306b\u5b66\u7fd2\u3057\u305f\u914d\u5217\u3067\u3082\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u5897\u3084\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u30021\u6b21\u5143\u914d\u5217\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br>\u3059\u3067\u306b\u4f5c\u6210\u3057\u305f\u62e1\u5927\u7e2e\u5c0f\u3059\u308b\u5186\u3092\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\u3067\u5897\u3084\u3057\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3092\u62bc\u3057\u3066\u524a\u9664\u3057\u3066\u3044\u304f\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<br>\u30dd\u30a4\u30f3\u30c8\u306f\u3001<br><strong>append()\u3067\u914d\u5217\u306e\u8981\u7d20\u3092\u305d\u306e\u6700\u5f8c\u5c3e\u306b\u8ffd\u52a0<\/strong>\u3057\u3001<strong>shorten()\u3067\u914d\u5217\u306e\u6700\u5f8c\u5c3e\u304b\u3089\u4e00\u3064\u6e1b\u3089\u3059<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_13_55.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_13_55-284x300.png\" alt=\"2016_06_21_13_55\" class=\"wp-image-5494\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_13_55-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_13_55.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>float[] x = {};       \/\/ \u5186\u306ex\u5ea7\u6a19\nfloat[] y = {};       \/\/ \u5186\u306ey\u5ea7\u6a19\nfloat[] size = {};    \/\/ \u5186\u306e\u30b5\u30a4\u30ba\nfloat[] speed = {};   \/\/ \u5186\u306e\u62e1\u5927\u30fb\u7e2e\u5c0f\u30b9\u30d4\u30fc\u30c9\n\nvoid setup() {\n  size(400, 400);\n  noStroke();\n  fill(0, 127);\n}\n\nvoid draw() {\n  background(255);\n\n  for (int i = 0; i &lt; x.length; i++) {\n    \/\/ \u5186\u306e\u30b5\u30a4\u30ba\u3092\u5909\u3048\u308b\n    size[i] += speed[i];\n\n    \/\/ \u5927\u304d\u3059\u304e\u308b\u3001\u307e\u305f\u306f\u5c0f\u3055\u3059\u304e\u308b\u5834\u5408\u306f\u5411\u304d\u3092\u53cd\u8ee2\n    if (size[i] &gt; 100 || size[i] &lt; 1) {\n      speed[i] *= -1;\n    }\n\n    \/\/ \u5186\u3092\u63cf\u304f\n    ellipse(x[i], y[i], size[i], size[i]);\n  }\n}\n\nvoid mousePressed() {\n  \/\/ \u30af\u30ea\u30c3\u30af\u3057\u305f\u5834\u6240\u306b\u5186\u3092\u8ffd\u52a0\n  x = append(x, mouseX);\n  y = append(y, mouseY);\n  size = append(size, random(1, 100));\n  speed = append(speed, random(0.1, 2));\n}\n\nvoid keyPressed() {\n  \/\/ \u5186\u304c1\u500b\u4ee5\u4e0a\u3042\u308b\u3068\u304d\u3060\u3051\u3001\u6700\u5f8c\u306e\u5186\u3092\u524a\u9664\n  if (x.length &gt; 0) {\n    x = shorten(x);\n    y = shorten(y);\n    size = shorten(size);\n    speed = shorten(speed);\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306eappend()\u3001shorten()\u3092\u4f7f\u3046\u3068\u3001\u30e6\u30fc\u30b6\u304c\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3059\u308b\u9650\u308a\u3044\u304f\u3089\u3067\u3082\u914d\u5217\u306e\u8981\u7d20\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30de\u30a6\u30b9\u306e\u8ecc\u8de1\u3092\u8a18\u9332\u3059\u308b1\u6b21\u5143\u914d\u5217\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u62e1\u5f35\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_1_46.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_1_46-284x300.png\" alt=\"2016_06_21_1_46\" class=\"wp-image-5489\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_1_46-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2016\/06\/2016_06_21_1_46.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>float[] x = {};      \/\/ \u5186\u306ex\u5ea7\u6a19\nfloat[] y = {};      \/\/ \u5186\u306ey\u5ea7\u6a19\nfloat[] size = {};   \/\/ \u5186\u306e\u30b5\u30a4\u30ba\n\nint counter = 0;     \/\/ \u4f55\u756a\u76ee\u306e\u5186\u3092\u63cf\u304f\u304b\n\nvoid setup() {\n  size(400, 400);\n  background(255);\n  noStroke();\n}\n\nvoid draw() {\n  \/\/ \u900f\u660e\u306a\u767d\u3092\u91cd\u306d\u3066\u3001\u5c11\u3057\u305a\u3064\u8ecc\u8de1\u3092\u6d88\u3059\n  fill(255, 10);\n  rect(0, 0, width, height);\n\n  \/\/ \u30de\u30a6\u30b9\u3092\u62bc\u3057\u3066\u3044\u306a\u3044\u3068\u304d\u3060\u3051\u3001\u8a18\u9332\u3057\u305f\u70b9\u3092\u9806\u756a\u306b\u63cf\u304f\n  if (x.length &gt; 0 && !mousePressed) {\n    fill(0);\n    ellipse(x[counter], y[counter], size[counter], size[counter]);\n\n    counter++;\n\n    \/\/ \u6700\u5f8c\u307e\u3067\u884c\u3063\u305f\u3089\u6700\u521d\u306b\u623b\u308b\n    if (counter &gt;= x.length) {\n      counter = 0;\n    }\n  }\n}\n\nvoid mousePressed() {\n  background(255);\n\n  \/\/ \u914d\u5217\u3092\u7a7a\u306b\u3059\u308b\n  x = new float[0];\n  y = new float[0];\n  size = new float[0];\n\n  counter = 0;\n}\n\nvoid mouseDragged() {\n  \/\/ \u30de\u30a6\u30b9\u306e\u5ea7\u6a19\u3092\u8a18\u9332\u3059\u308b\n  x = append(x, mouseX);\n  y = append(y, mouseY);\n\n  \/\/ \u30de\u30a6\u30b9\u306e\u79fb\u52d5\u30b9\u30d4\u30fc\u30c9\u3092\u5186\u306e\u30b5\u30a4\u30ba\u306b\u3059\u308b\n  size = append(size, dist(mouseX, mouseY, pmouseX, pmouseY) * 2);\n}<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u5e38\u3001\u914d\u5217\u306e\u8981\u7d20\u6570\u306fnew int[10]\u306a\u3069\u306e\u3088\u3046\u306b\u59cb\u3081\u306b&#8230; <a href=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/dynamic_array\/\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,27],"tags":[],"class_list":["post-5488","post","type-post","status-publish","format-standard","hentry","category-processing","category-27"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/5488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/comments?post=5488"}],"version-history":[{"count":10,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/5488\/revisions"}],"predecessor-version":[{"id":14231,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/5488\/revisions\/14231"}],"wp:attachment":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/media?parent=5488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/categories?post=5488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/tags?post=5488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}