{"id":1917,"date":"2008-05-28T19:58:55","date_gmt":"2008-05-28T10:58:55","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=1917"},"modified":"2023-07-05T15:33:42","modified_gmt":"2023-07-05T06:33:42","slug":"func","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/func\/","title":{"rendered":"3.5\u3000\u95a2\u6570"},"content":{"rendered":"\n<p>\u3059\u3067\u306b\u4f55\u5ea6\u304b\u8ff0\u3079\u305f\u7528\u8a9e\u3067\u300c\u95a2\u6570\u300d\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u5b9f\u306f\u3001\u3053\u306e\u95a2\u6570\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u5b66\u7fd2\u3059\u308b\u4e0a\u3067\u975e\u5e38\u306b\u91cd\u8981\u306a\u3082\u306e\u3067\u3059\u3002<br>\u305d\u308c\u3067\u306f\u3001\u3053\u3053\u3067\u306f\u95a2\u6570\u306b\u3088\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u90e8\u54c1\uff09\u5316\u3092\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3.5.1\u3000\u30e2\u30b8\u30e5\u30fc\u30eb\u5316<\/h1>\n\n\n\n<p>\u307e\u305a\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u3001<strong>\u300c\u96fb\u5b50\u6a5f\u5668\u306a\u3069\u3092\u69cb\u6210\u3059\u308b\uff11\u3064\u306e\u5358\u4f4d\u3067\u3001\u6a5f\u80fd\u304c\u72ec\u7acb\u3057\u3066\u304a\u308a\u4ea4\u63db\u304c\u53ef\u80fd\u306a\u3082\u306e\u3002\u8eca\u3060\u3063\u305f\u3089\u30bf\u30a4\u30e4\u3001\u30a8\u30f3\u30b8\u30f3\u306a\u3069\u306e\u90e8\u54c1\u3002\u300d<\/strong>\u3068\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<br>\u3064\u307e\u308a\u3001\u5927\u304d\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u306e<strong>\u300c\u90e8\u54c1\u300d<\/strong>\u3067\u3059\u3002\u90e8\u54c1\u306f\u591a\u304f\u306e\u5834\u5408\u4ea4\u63db\u53ef\u80fd\u3067\u3001\u4f8b\u3048\u3070\u81ea\u52d5\u8eca\u306e\u30bf\u30a4\u30e4\u306f\u5225\u306e\u8eca\u7a2e\u3067\u3082\u4f7f\u3048\u307e\u3059\u3088\u306d\uff08\u30a8\u30f3\u30b8\u30f3\u306f\u7121\u7406\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575.png\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"167\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575-300x167.png\" alt=\"%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab_000-3\" class=\"wp-image-6473\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575-300x167.png 300w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575-768x428.png 768w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575-565x315.png 565w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/_000-3-e1474965419575.png 1653w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-a<\/div>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306e\u5229\u70b9\u306f\u6b21\u306e2\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u518d\u5229\u7528\u3067\u304d\u308b<br>2. \u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u898b\u3084\u3059\u304f\u306a\u308b<\/strong><\/p>\n\n\n\n<p>\u3053\u306e\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u90e8\u54c1\u3092\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u4e16\u754c\u3067\u306f<strong>\u95a2\u6570\uff08function\uff09<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002\u4e00\u898b\u3001\u95a2\u6570\u3068\u3044\u3046\u8a00\u8449\u304b\u3089\u306f\u305d\u306e\u6027\u8cea\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3065\u3089\u3044\u3067\u3059\u304c\u3001\u82f1\u8a9e\u540d\u306efunction\uff08\u6a5f\u80fd\uff09\u304b\u3089\u306f\u305d\u306e\u6027\u8cea\u304c\u60f3\u50cf\u3057\u3084\u3059\u3044\u3067\u3059\u3088\u306d\u3002<br>\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u306e\u95a2\u6570\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u3010\u56f33.5-b\u3011\u306b\u306a\u308a\u307e\u3059\u3002\u30e1\u30a4\u30f3\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u95a2\u6570\u304c\u305d\u306e\u3064\u3069\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2007\/06\/func_diagram.png\" alt=\"func_diagram.png\"\/><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-b<\/div>\n\n\n\n<p>\u95a2\u6570\u306e\u69cb\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>\u578b\u3000\u95a2\u6570\u540d( \u578b\u3000\u5f15\u6570, \u3000\u578b\u3000\u5f15\u6570,\u3000\u578b\u3000\u5f15\u6570 \u30fb\u30fb\u30fb)<\/code><\/pre>\n\n\n\n<p><strong>\u5f15\u6570<\/strong>\u3068\u3044\u3046\u3001\u95a2\u6570\u306b\u5024\u3092\u6e21\u3059\u305f\u3081\u306e\u5909\u6570\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u5f15\u6570\u306f\u3044\u304f\u3064\u3067\u3082\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<br>\u5b9f\u306f\u3001\u3042\u306a\u305f\u306f\u3059\u3067\u306b\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070ellipse()\u304c\u305d\u3046\u3067\u3059\u3002<br>\u3053\u306e\u69cb\u6587\u306f<strong>ellipse(x, y, width, height)<\/strong>\u3068\u306a\u3063\u3066\u3044\u3066\u3001<strong>\u5ea7\u6a19\u3068\u5e45\u3001\u9ad8\u3055\u3092\u5165\u529b\u3059\u308b\u3068\u5186\u3092\u63cf\u3044\u3066\u304f\u308c\u308b<\/strong>\u95a2\u6570\u306a\u306e\u3067\u3059\u3002<br>Processing\u3092\u542b\u3081\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306f\u3001\u81a8\u5927\u306a\u95a2\u6570\u7fa4\u306b\u3088\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3.5.2\u3000\u95a2\u6570\u306e\u81ea\u4f5c<\/h1>\n\n\n\n<p>\u3055\u3066\u3001ellipse()\u306a\u3069\u306f\u3001Processing\u306e\u958b\u767a\u8005\u5074\u304c\u7528\u610f\u3057\u305f\u95a2\u6570\u3067\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u81ea\u4f5c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br>\u305d\u308c\u3067\u306f\u307e\u305a\u7c21\u5358\u306a\u95a2\u6570\u3092\u81ea\u4f5c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306f\u3001\u5186\u3092\u63cf\u304f\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_51.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_51-284x300.png\" alt=\"2016_09_27_18_51\" class=\"wp-image-6489\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_51-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_51.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-c<\/div>\n\n\n\n<div class=\"listCaption\">\u30ea\u30b9\u30c83.5-a<\/div>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>void setup() {\n  size(400, 400);  \/\/\u753b\u9762\u30b5\u30a4\u30ba\n  background(255);  \/\/\u753b\u9762\u306e\u8272\u3092\u66f4\u65b0\n  noStroke();  \/\/\u7e01\u306f\u63cf\u304b\u306a\u3044\n\n  fill(0);  \/\/\u9ed2\u306e\n  ellipse(100, 100, 20, 20);  \/\/\u5186\u3092\u63cf\u304f\n  fill(127);  \/\/\u30b0\u30ec\u30fc\u306e \n  ellipse(200, 200, 20, 20);  \/\/\u5186\u3092\u63cf\u304f\n}<\/code><\/pre>\n\n\n\n<p>fill()\u3068ellipse()\u304c2\u56de\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3088\u304f\u898b\u308b\u3068\u3001\u8272\u3068\u5ea7\u6a19\u304c\u9055\u3046\u3060\u3051\u3067\u5927\u304d\u3055\u304c\u4e00\u7dd2\u3067\u3059\u3002\u3053\u3053\u3067\u3001\u8272\u306e\u3064\u3044\u305f\u5186\u3092\u63cf\u304f\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>void colorEllipse(int _c, int _x, int _y){\n fill(_c);  \/\/\u5909\u6570c\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u8272\u306e\n ellipse(_x, _y, 20, 20);  \/\/\u5186\u3092\u63cf\u304f  \n }<\/code><\/pre>\n\n\n\n<p>\u3053\u306e( )\u306e\u4e2d\u306e<strong>int _c, int _x, int _y<\/strong>\u306f<strong>\u5f15\u6570<\/strong>\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u3053\u3053\u306b\u8272\u3005\u306a\u5024\u3092\u5165\u308c\u3066\u3044\u304f\u306e\u3067\u3059\u3002<br>\u95a2\u6570\u3092\u4f5c\u3063\u305f\u3089\u3001\u3053\u308c\u3092\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"listCaption\">\u30ea\u30b9\u30c83.5-b<\/div>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>void setup() {\n  size(400, 400);  \/\/\u753b\u9762\u30b5\u30a4\u30ba\n  background(255);  \/\/\u753b\u9762\u306e\u8272\u3092\u66f4\u65b0\n  noStroke();  \/\/\u7e01\u306f\u63cf\u304b\u306a\u3044\n\n  \/\/\u9ed2\u306e\u5186\u3092\u63cf\u304f\u95a2\u6570\u3092\u5b9f\u884c\n  colorEllipse(0, 100, 100);  \n  \n  \/\/\u30b0\u30ec\u30fc\u306e\u5186\u3092\u63cf\u304f\u95a2\u6570\u3092\u5b9f\u884c\n  colorEllipse(127, 200, 200);\n}\n\nvoid colorEllipse(int _c, int _x, int _y) {\n  fill(_c);  \/\/\u5909\u6570c\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u8272\u306e\n  ellipse(_x, _y, 20, 20);  \/\/\u5186\u3092\u63cf\u304f\n}<\/code><\/pre>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3060\u3051\u3067\u306fcolorEllipse\u95a2\u6570\u3092\u4f7f\u308f\u306a\u3044\u72b6\u614b\u3068\u306e\u5dee\u304c\u3042\u307e\u308a\u3088\u304f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u3082\u3046\u5c11\u3057\u62e1\u5f35\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306f\u3001\u5927\u5c0f2\u3064\u306e\u5186\u304c\u91cd\u306a\u3063\u3066\u63cf\u304b\u308c\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066\u5229\u7528\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_52.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_52-284x300.png\" alt=\"2016_09_27_18_52\" class=\"wp-image-6490\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_52-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_52.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-d<\/div>\n\n\n\n<div class=\"listCaption\">\u30ea\u30b9\u30c83.5-c<\/div>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>void setup() {\n  size(400, 400);  \/\/\u753b\u9762\u30b5\u30a4\u30ba\n  background(255);  \/\/\u753b\u9762\u306e\u8272\u3092\u66f4\u65b0\n  noStroke();  \/\/\u7e01\u306f\u63cf\u304b\u306a\u3044\n\n  \/\/\u9ed2\u306e\u5186\u3092\u63cf\u304f\u95a2\u6570\u3092\u5b9f\u884c\n  doubleEllipse(0, 100, 100, 100);\n  \n  \/\/\u30b0\u30ec\u30fc\u306e\u5186\u3092\u63cf\u304f\u95a2\u6570\u3092\u5b9f\u884c\n  doubleEllipse(127, 255, 200, 200);\n}\n\nvoid doubleEllipse(int _c1, int _c2, int _x, int _y) {\n  fill(_c1);  \/\/\u5909\u6570c1\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u8272\u306e\n  ellipse(_x, _y, 50, 50);  \/\/\u5916\u5074\u306e\u5186\u3092\u63cf\u304f \n\n  fill(_c2);  \/\/\u5909\u6570c2\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u8272\u306e\n  ellipse(_x, _y, 20, 20);  \/\/\u5185\u5074\u306e\u5186\u3092\u63cf\u304f\n}<\/code><\/pre>\n\n\n\n<p>\u3053\u3046\u3059\u308b\u3068\u3001\u5186\u306e\u6570\u3092\u5897\u3084\u3057\u3066\u3044\u304f\u3068\u304d\u3082\u3001doubleEllipse()\u306e\u6570\u3092\u5897\u3084\u3057\u3066\u3044\u304f\u3060\u3051\u306b\u306a\u308a\u3001\u6a5f\u80fd\u3082\u5206\u304b\u308a\u3084\u3059\u304f\u30b3\u30fc\u30c9\u81ea\u4f53\u3082\u77ed\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3.5.3\u3000\u95a2\u6570\u306e\u578b<\/h1>\n\n\n\n<p>\u3055\u3066\u3001\u95a2\u6570\u306e\u5ba3\u8a00\u306e\u524d\u306bvoid\u3068\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u306f\u4e00\u4f53\u306a\u3093\u3067\u3057\u3087\u3046\u3002\u3088\u304f\u8003\u3048\u3066\u307f\u308b\u3068\u3001setup\u95a2\u6570\u3084draw\u95a2\u6570\u306e\u524d\u306b\u3082void\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3057\u305f\u3002<br>void\u3068\u306f\u3001\u300c\u7a7a\uff08\u304b\u3089\uff09\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3001<strong>\u623b\u308a\u5024<\/strong>\u304c\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u306a\u306e\u3067\u3059\u3002<br>\u3067\u306f\u3001\u623b\u308a\u5024\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u3002\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001int\u578b\u306e\u623b\u308a\u5024\u3092\u3082\u3064\u95a2\u6570\u306e\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_27.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_27-284x300.png\" alt=\"2016_09_27_18_27\" class=\"wp-image-6482\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_27-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/2016_09_27_18_27.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-e<\/div>\n\n\n\n<div class=\"listCaption\">\u30ea\u30b9\u30c83.5-d<\/div>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>int x;  \/\/x\u5ea7\u6a19  \nint velocity;  \/\/\u5186\u306e\u79fb\u52d5\u30b9\u30d4\u30fc\u30c9\n\nvoid setup() {\n  size(400, 400);  \/\/\u753b\u9762\u30b5\u30a4\u30ba\n  velocity = 5;  \/\/velocity\u306e\u521d\u671f\u5024\u30925\u306b\u8a2d\u5b9a\n  x = 0;\n}\n\nvoid draw() {\n  background(255);\n\n  \/\/\u6298\u308a\u8fd4\u3057\u3092\u5224\u5b9a\u3059\u308b\n  velocity = bounce(x, velocity);\n  x += velocity;\n  ellipse(x, height\/2, 40, 40);\n}\n\n\/\/\u6298\u308a\u8fd4\u3057\u3092\u5224\u5b9a\u3059\u308b\u95a2\u6570\nint bounce(int _x, int _velocity) {\n\n  \/\/x\u5ea7\u6a19\u304c\u753b\u9762\u5e45\u3092\u8d85\u3048\u308b\u304b\u30010\u672a\u6e80\u306b\u306a\u3063\u305f\u3089\n  if (_x &gt; width || _x &lt; 0) {\n    _velocity = -_velocity;  \/\/_velocity\u306e\u5024\u306e\u6b63\u8ca0\u3092\u5909\u66f4\n  }\n  return _velocity;  \/\/int\u578b\u306e\u5024\u3092\u8fd4\u3059\n}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u306e\u4f8b\u984c\u3067\u306f\u3001x\u5ea7\u6a19\u306e\u6298\u308a\u8fd4\u3057\u306e\u5224\u5b9a\u3092\u884c\u3044\u3001velocity\u306e\u5024\u3092\u30d7\u30e9\u30b9\u306b\u3057\u305f\u308a\u30de\u30a4\u30ca\u30b9\u306b\u3057\u305f\u308a\u3059\u308b\u95a2\u6570\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002\u8a08\u7b97\u7d50\u679c\u306freturn _velocity\u3067\u3001int\u578b\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u623b\u308a\u5024\u306a\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u6b21\u306fBoolean\u578b\u306e\u5024\u3092\u8fd4\u3059\u95a2\u6570\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/object_pressed_circle.png\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"300\" src=\"http:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/object_pressed_circle-284x300.png\" alt=\"object_pressed_circle\" class=\"wp-image-6481\" srcset=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/object_pressed_circle-284x300.png 284w, https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-content\/uploads\/2008\/05\/object_pressed_circle.png 400w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/figure>\n\n\n\n<div class=\"imgCaption\">\u56f33.5-f<\/div>\n\n\n\n<div class=\"listCaption\">\u30ea\u30b9\u30c83.5-e<\/div>\n\n\n\n<pre class=\"wp-block-aphph-prism-block lang:processing language-processing\"><code>int x, y;  \/\/ \u5186\u306e\u4f4d\u7f6e\nint eSize = 100;   \/\/ \u5186\u306e\u76f4\u5f84\n\n\/\/\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u5186\u306e\u4e2d\u306b\u5165\u3063\u305f\u304b\u3092\u5224\u5b9a\nboolean circleEnter = false;\nint bgColor = 0;    \/\/\u80cc\u666f\u8272\u306e\u8a2d\u5b9a\uff08\u521d\u671f\u5024\u306f\u9ed2\uff09\n\nvoid setup() {\n  size(400, 400);\n  background(0);\n  noStroke();\n\n  x = width\/2;    \/\/\u5186\u306f\u3001\u753b\u9762\u306e\u4e2d\u592e\u306b\u8868\u793a\n  y = height\/2;\n}\n\nvoid draw() {\n  background(bgColor);    \/\/\u80cc\u666f\u8272\u3092\u8a2d\u5b9a\n\n  \/\/\u3082\u3057\u3001\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u5186\u306e\u4e2d\u306b\u5165\u3063\u305f\u3089\n  if (enterCircle(x, y, eSize)) {\n    circleEnter = true;\n    fill(200);    \/\/\u5186\u306e\u8272\u3092200\u306e\u30b0\u30ec\u30fc\u306b\u5909\u66f4\n  } else {\n    circleEnter = false;\n    fill(100);    \/\/\u305d\u3046\u3067\u306a\u304b\u3063\u305f\u3089100\u306e\u30b0\u30ec\u30fc\n  }\n  ellipse(x, y, eSize, eSize);    \/\/\u5186\u306e\u63cf\u753b\n}\n\nvoid mousePressed() {\n  \/\/\u3082\u3057\u3001\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u5186\u306e\u4e2d\u306b\u5165\u3063\u305f\u3089\n  if (circleEnter) {\n\n    \/\/\u80cc\u666f\u8272\u304c\u9ed2\u306e\u5834\u5408\u306f\u767d\u3001\u767d\u306e\u5834\u5408\u306f\u9ed2\u306b\u5909\u66f4\n    switch(bgColor) {\n    case 0: \n      bgColor = 255; \n      break;\n    case 255:  \n      bgColor = 0; \n      break;\n    }\n  }\n}\n\n\/\/\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u5186\u306e\u4e2d\u306b\u5165\u3063\u305f\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u95a2\u6570\nboolean enterCircle(int _x, int _y, int _diameter) {\n  \/\/\u5186\u306e\u4e2d\u5fc3\u304b\u3089\u306e\u8ddd\u96e2\u3092\u7b97\u51fa\n  if (dist(_x, _y, mouseX, mouseY) &lt; _diameter\/2) {\n    return true;\n  } else {\n    return false;\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f\u307e\u305a\u306f\u6982\u5ff5\u3060\u3051\u3067\u3082\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u521d\u3081\u306f\u81ea\u4f5c\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u304f\u3066\u3082\u3001\u4ed6\u4eba\u306e\u30b3\u30fc\u30c9\u304c\u95a2\u6570\u3092\u4f7f\u3063\u3066\u66f8\u304b\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u7406\u89e3\u306e\u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002\u6163\u308c\u3066\u304d\u305f\u3089\u3069\u3093\u3069\u3093\u95a2\u6570\u3092\u81ea\u4f5c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3059\u3067\u306b\u4f55\u5ea6\u304b\u8ff0\u3079\u305f\u7528\u8a9e\u3067\u300c\u95a2\u6570\u300d\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u5b9f\u306f\u3001\u3053\u306e\u95a2\u6570&#8230; <a href=\"https:\/\/r-dimension.xsrv.jp\/classes_j\/func\/\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,10,11],"tags":[],"class_list":["post-1917","post","type-post","status-publish","format-standard","hentry","category-media_third","category-processing","category-11"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/1917","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=1917"}],"version-history":[{"count":57,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/1917\/revisions"}],"predecessor-version":[{"id":13267,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/1917\/revisions\/13267"}],"wp:attachment":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/media?parent=1917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/categories?post=1917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/tags?post=1917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}