{"id":18709,"date":"2026-09-29T13:59:02","date_gmt":"2026-09-29T04:59:02","guid":{"rendered":"https:\/\/cg-method.com\/after-effects\/?p=18709"},"modified":"2026-10-03T08:39:09","modified_gmt":"2026-10-02T23:39:09","slug":"after-effects-valueattime","status":"publish","type":"post","link":"https:\/\/cg-method.com\/after-effects\/after-effects-valueattime\/","title":{"rendered":"After Effects\u2502valueAtTime\u3067\u6642\u9593\u3092\u305a\u3089\u3057\u3066\u52d5\u304b\u3059\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\uff5c\u8ffd\u3044\u304b\u3051\u308b\u30fb\u9045\u308c\u3066\u52d5\u304f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">valueAtTime \u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u300c\u6307\u5b9a\u3057\u305f\u6642\u9593\u306e\u5024\u300d\u3092\u53d6\u308a\u51fa\u3059\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u3088\u308a\u5c11\u3057\u524d\u306e\u5024\u3092\u4f7f\u3048\u3070\u3001\u5225\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u52d5\u304d\u3092\u9045\u308c\u3066\u8ffd\u3044\u304b\u3051\u308b\u52d5\u304d\u304c\u4f5c\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u57fa\u672c\uff1a\u5148\u982d\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e.valueAtTime(time &#8211; 0.2)<\/li>\n\n\n<li>\u8907\u88fd\u3059\u308b\u3060\u3051\u3067\u9806\u756a\u306b\u9045\u308c\u308b\uff1aindex \u3092\u4f7f\u3063\u30661\u3064\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u3044\u304b\u3051\u308b<\/li>\n\n\n<li>\u6700\u521d\u306e\u5024\u3092\u4f7f\u3046\uff1avalueAtTime(0)<\/li>\n\n\n<li>\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3082\u4ed6\u306e\u5f0f\u3082\u306a\u304f\u3001\u5024\u3092\u56fa\u5b9a\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u306f\u6642\u9593\u3092\u305a\u3089\u3057\u3066\u3082\u5909\u308f\u3089\u306a\u3044<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u306f\u3001Adobe\u516c\u5f0f\u306e\u300cExpression language reference\u300d\u306e\u8aac\u660e\uff082026\u5e7410\u67083\u65e5\u306b\u516c\u5f0f\u8cc7\u6599\u3092\u78ba\u8a8d\uff09\u306b\u3082\u3068\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After Effects\u306e\u753b\u9762\u3067\u306e\u518d\u73fe\u306f\u542b\u307e\u305a\u3001\u516c\u5f0f\u306e\u8aac\u660e\u3069\u304a\u308a\u306b\u7d44\u307f\u7acb\u3066\u305f\u5f0f\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">valueAtTime\u306e\u66f8\u304d\u65b9<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>valueAtTime(t)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">t \u306f\u79d2\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">time \u306f\u3044\u307e\u306e\u6642\u9593\u306a\u306e\u3067\u3001time &#8211; 0.2 \u3068\u66f8\u304f\u3068\u300c0.2\u79d2\u524d\u306e\u5024\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5225\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u9045\u308c\u3066\u8ffd\u3044\u304b\u3051\u308b<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u5148\u982d\u3067\u52d5\u304b\u3059\u30ec\u30a4\u30e4\u30fc\u306b\u3001\u4f4d\u7f6e\u306e\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3067\u52d5\u304d\u3092\u4ed8\u3051\u308b\uff08\u540d\u524d\u306f\u300c\u5148\u982d\u300d\uff09<\/li>\n\n\n<li>\u8ffd\u3044\u304b\u3051\u308b\u30ec\u30a4\u30e4\u30fc\u306e\u300c\u4f4d\u7f6e\u300d\u306b\u6b21\u306e\u5f0f\u3092\u66f8\u304f<\/li>\n\n<\/ol>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>var leader = thisComp.layer(\"\u5148\u982d\");\nvar delay = 0.2; \/\/ \u9045\u3089\u305b\u308b\u79d2\u6570\nleader.transform.position.valueAtTime(time - delay);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ffd\u3044\u304b\u3051\u308b\u30ec\u30a4\u30e4\u30fc\u306f\u3001\u5148\u982d\u306e\u30ec\u30a4\u30e4\u30fc\u304c0.2\u79d2\u524d\u306b\u3044\u305f\u5834\u6240\u306b\u3044\u3064\u3082\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5f0f\u306e\u8cbc\u4ed8\u5148\u306f\u8ffd\u5f93\u5074\u306e\u300c\u4f4d\u7f6e\u300d\u3067\u3059\u3002\u56de\u8ee2\u3084\u4e0d\u900f\u660e\u5ea6\u3078\u4f7f\u3046\u5834\u5408\u306f\u3001\u53c2\u7167\u5143\u306e <code>transform.position<\/code> \u3082\u5bfe\u5fdc\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5909\u66f4\u3057\u307e\u3059\u3002\u5148\u982d\u81ea\u8eab\u306b\u306f\u8cbc\u3089\u305a\u3001\u540c\u3058\u89aa\u30fb\u6b21\u5143\u306e\u30ec\u30a4\u30e4\u30fc\u3067\u8a66\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f4d\u7f6e\u3092\u305a\u3089\u3057\u3066\u4e26\u3079\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u5834\u6240\u306b\u91cd\u306a\u308b\u30681\u3064\u306b\u898b\u3048\u308b\u306e\u3067\u3001\u5c11\u3057\u305a\u3089\u3057\u305f\u3044\u3068\u304d\u306f\u8db3\u3057\u7b97\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>var leader = thisComp.layer(&quot;\u5148\u982d&quot;);\nvar pos = leader.transform.position.valueAtTime(time - 0.2);\npos.length == 3 ? [pos[0], pos[1] + 80, pos[2]] : [pos[0], pos[1] + 80];<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a2a\u3092\u5909\u3048\u305a\u3001\u4e0b\u306b80\u30d4\u30af\u30bb\u30eb\u305a\u3089\u3057\u307e\u3059\u3002\u53c2\u7167\u5143\u304c3D\u306a\u3089Z\u5024\u3092\u305d\u306e\u307e\u307e\u8fd4\u3057\u307e\u3059\u3002\u8cbc\u4ed8\u5148\u3082\u53c2\u7167\u5143\u3068\u540c\u30582D\/3D\u306b\u3057\u3001\u300c\u6b21\u5143\u306b\u5206\u5272\u300d\u3057\u305fX\u4f4d\u7f6e\u30fbY\u4f4d\u7f6e\u306b\u306f\u914d\u5217\u3092\u8fd4\u3059\u3053\u306e\u5f0f\u3092\u8cbc\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8907\u88fd\u3059\u308b\u3060\u3051\u3067\u9806\u756a\u306b\u9045\u308c\u3055\u305b\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u304f\u3055\u3093\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u3001\u5c11\u3057\u305a\u3064\u9045\u308c\u3066\u52d5\u304b\u3057\u305f\u3044\u3068\u304d\u306e\u66f8\u304d\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>var result = value;\nif (index &gt; 1) {\n  var above = thisComp.layer(index - 1);\n  result = above.transform.position.valueAtTime(time - 0.1);\n}\nresult;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">index \u306f\u3001\u305d\u306e\u30ec\u30a4\u30e4\u30fc\u304c\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u4e0a\u304b\u3089\u4f55\u756a\u76ee\u304b\u3092\u8868\u3059\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">index &#8211; 1 \u306f\u300c1\u3064\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u300d\u306a\u306e\u3067\u3001\u305d\u308c\u305e\u308c\u304c1\u3064\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u30920.1\u79d2\u9045\u308c\u3067\u8ffd\u3044\u304b\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u3044\u3061\u3070\u3093\u4e0a\u306b\u3001\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3067\u52d5\u304b\u3059\u5148\u982d\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u7f6e\u304f<\/li>\n\n\n<li>\u305d\u306e\u4e0b\u306b\u3001\u4e0a\u306e\u5f0f\u3092\u66f8\u3044\u305f\u30ec\u30a4\u30e4\u30fc\u30921\u3064\u4f5c\u308b<\/li>\n\n\n<li>\u5f0f\u3092\u66f8\u3044\u305f\u30ec\u30a4\u30e4\u30fc\u3092 Ctrl\uff0bD\uff08Mac\u306f Command\uff0bD\uff09\u3067\u8907\u88fd\u3057\u3066\u3044\u304f<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u88fd\u3059\u308b\u305f\u3073\u306b\u30011\u3064\u524d\u306e\u30ec\u30a4\u30e4\u30fc\u304b\u3089\u3055\u3089\u306b0.1\u79d2\u9045\u308c\u3066\u52d5\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u982d\u306e\u30ec\u30a4\u30e4\u30fc\u3088\u308a\u4e0a\u306b\u307b\u304b\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u7f6e\u304f\u3068\u3001\u9806\u756a\u304c\u5909\u308f\u3063\u3066\u8ffd\u3044\u304b\u3051\u308b\u76f8\u624b\u3082\u5909\u308f\u308b\u306e\u3067\u6ce8\u610f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6307\u5b9a\u6642\u523b\u306e\u5024\u3092\u4f7f\u3046<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>valueAtTime(0)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">0\u79d2\u306e\u3068\u304d\u306e\u5024\u3092\u8fd4\u3059\u306e\u3067\u3001\u52d5\u304d\u306e\u9014\u4e2d\u3067\u3082\u300c\u6700\u521d\u306e\u4f4d\u7f6e\u300d\u3092\u57fa\u6e96\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30a4\u30e4\u30fc\u304c\u59cb\u307e\u3063\u305f\u6642\u9593\u306e\u5024\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u306f\u3001inPoint \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>valueAtTime(inPoint)<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u306e\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u3076<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>random(4)<\/code> \u306f\u6574\u6570\u306e\u30ad\u30fc\u756a\u53f7\u3067\u306f\u306a\u304f\u30010\u4ee5\u4e0a4\u672a\u6e80\u306e\u6642\u523b\u3092\u8fd4\u3057\u307e\u3059\u3002\u9014\u4e2d\u306e\u6642\u523b\u3067\u306f\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u9593\u306e\u88dc\u9593\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30ad\u30fc\u306b\u4fdd\u5b58\u3057\u305f\u5024\u30921\u3064\u9078\u3093\u3067\u56fa\u5b9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u5f0f\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>var result = value;\nif (numKeys &gt; 0) {\n  seedRandom(index, true);\n  var n = Math.min(numKeys, Math.floor(random(numKeys)) + 1);\n  result = key(n).value;\n}\nresult;<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u3068\u304d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u9045\u308c\u306a\u3044\uff1a\u5148\u982d\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u52d5\u304d\u304c\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3067\u4ed8\u3044\u3066\u3044\u308b\u304b\u3092\u898b\u308b\uff08\u52d5\u3044\u3066\u3044\u306a\u3044\u3068\u540c\u3058\u5024\u304c\u8fd4\u308b\uff09<\/li>\n\n\n<li>\u30a8\u30e9\u30fc\u306b\u306a\u308b\uff1a\u30ec\u30a4\u30e4\u30fc\u540d\u304c\u5f0f\u3068\u540c\u3058\u304b\u3092\u898b\u308b\u3002index &#8211; 1 \u306e\u3068\u304d\u306f\u3001\u3044\u3061\u3070\u3093\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u306b\u5f0f\u3092\u66f8\u3044\u3066\u3044\u306a\u3044\u304b\u3092\u898b\u308b<\/li>\n\n\n<li>\u6700\u521d\u3060\u3051\u4f4d\u7f6e\u304c\u304a\u304b\u3057\u3044\uff1a\u9045\u3089\u305b\u305f\u6642\u9593\u304c\u6700\u521d\u306e\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3088\u308a\u524d\u306b\u306a\u308b\u9593\u306f\u3001\u6700\u521d\u306e\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u306e\u5024\u306e\u307e\u307e\u6b62\u307e\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u304b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5408\u308f\u305b\u3066\u5024\u3092\u5909\u3048\u308b\u66f8\u304d\u65b9\u306f\u3001<a href=\"https:\/\/cg-method.com\/after-effects\/after-effects-linear-ease-expression\/\">After Effects\u306elinear\u30fbease\u3067\u5024\u3092\u5909\u63db\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3<\/a>\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ffd\u5f93\u3068\u30ad\u30fc\u9078\u629e\u306e\u7df4\u7fd2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1920\u00d71080\u306e\u7df4\u7fd2\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u306b\u3001\u540c\u3058\u89aa\u3092\u6301\u30642D\u30ec\u30a4\u30e4\u30fc\u300c\u5148\u982d\u300d\u3068\u8ffd\u5f93\u5074\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u982d\u306e\u4f4d\u7f6e\u306f0\u79d2 [200, 540]\u30011\u79d2 [1200, 540] \u306e\u76f4\u7dda\u30ad\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ffd\u5f93\u5074\u3060\u3051\u306b0.2\u79d2\u9045\u308c\u308b\u5f0f\u3092\u8cbc\u308b\u3068\u30011\u79d2\u3067 [1000, 540]\u300180\u30d4\u30af\u30bb\u30eb\u4e0b\u3052\u308b\u5f0f\u3067\u306f [1000, 620] \u3092\u53d6\u5f97\u3059\u308b\u8a08\u7b97\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AE\u672c\u4f53\u306e\u8868\u793a\u306f\u672a\u691c\u8a3c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u3046\u5f0f\u306f\u3001index\u304c1\u306a\u3089\u5143\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u88fd\u5f8c\u306b\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u9806\u756a\u3092\u5909\u3048\u308b\u3068\u53c2\u7167\u5148\u3082\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3068\u6b21\u5143\u30fb\u89aa\u3092\u63c3\u3048\u3066\u304b\u3089\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ad\u30fc\u9078\u629e\u306e\u4f8b\u3067\u306f <code>seedRandom(index, true)<\/code> \u306b\u3088\u308a\u6642\u9593\u3092\u5909\u3048\u3066\u3082\u9078\u629e\u3092\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30a4\u30e4\u30fc\u756a\u53f7\u3092\u5909\u3048\u308b\u3068\u9078\u3076\u30ad\u30fc\u3082\u5909\u308f\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u623b\u3059\u3068\u304d\u306f\u8ffd\u5f93\u5074\u306e\u5f0f\u3092\u7121\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u672c\u306e\u5148\u982d\u30ad\u30fc\u3092\u524a\u9664\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0f\u306e\u6709\u7121\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3001\u8ffd\u5f93\u524d\u306e\u4f4d\u7f6e\u3068\u30ec\u30a4\u30e4\u30fc\u306e\u4e26\u3073\u3082\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2026\/10\/cgm-ae-expression-practice-13.zip\">\u7df4\u7fd2\u7528\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f36\u672c\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">README\u306e\u8cbc\u4ed8\u5148\u3092\u78ba\u8a8d\u3057\u30011\u3064\u305a\u3064\u7df4\u7fd2\u7528\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AE\u672c\u4f53\u3067\u306e\u52d5\u4f5c\u78ba\u8a8d\u306f\u542b\u307f\u307e\u305b\u3093\u3002<\/p>\n\n\n<!-- cgm-merge-17744:start -->\n\n<h2 class=\"wp-block-heading\">\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u30921\u79d2\u9045\u308c\u3067\u8ffd\u3046\u4f8b\u3068\u65e7\u8a18\u4e8b\u306e\u753b\u9762<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u300c\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3068\u540c\u3058\u52d5\u304d\u3092N\u79d2\u9045\u308c\u3067\u8ffd\u5f93\u3059\u308b\u300d\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3053\u306e\u30da\u30fc\u30b8\u306b\u7d71\u5408\u3057\u307e\u3057\u305f\u3002\u4e0a\u306e\u8907\u88fd\u624b\u9806\u3067\u9045\u5ef6\u30921\u79d2\u306b\u3059\u308b\u5834\u5408\u306f\u3001\u8ffd\u5f93\u5074\u306e\u300c\u4f4d\u7f6e\u300d\u306b\u6b21\u306e\u5f0f\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u5148\u982d\u306f\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3067\u52d5\u304b\u3057\u3001\u8ffd\u5f93\u5074\u3068\u540c\u3058\u89aa\u30fb2D\/3D\u306e\u6761\u4ef6\u306b\u63c3\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><code>var result = value;\nif (index &gt; 1) {\n  result = thisComp.layer(index - 1).transform.position.valueAtTime(time - 1);\n}\nresult;<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u8ffd\u5f93\u5074\u3092Ctrl\uff0bD\uff08Mac\u306fCommand\uff0bD\uff09\u3067\u8907\u88fd\u3059\u308b\u3068\u3001\u305d\u308c\u305e\u308c\u304c1\u3064\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3088\u308a1\u79d2\u305a\u3064\u9045\u308c\u307e\u3059\u3002\u4e26\u3079\u66ff\u3048\u308b\u3068\u53c2\u7167\u5148\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u6700\u521d\u306e\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u3088\u308a\u524d\u3092\u53c2\u7167\u3059\u308b\u9593\u306f\u3001\u6700\u521d\u306e\u30ad\u30fc\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" alt=\"\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u3068\u540c\u3058\u52d5\u304d\u3092\u6642\u9593\u5dee\u3067\u8ffd\u5f93\u3055\u305b\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3057\u305f\u52d5\u4f5c\u4f8b\u3002\" class=\"wp-image-9375\" src=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2026\/09\/20170612223800.png\"\/><figcaption>\u7d71\u5408\u5143\u306e\u8a18\u4e8b\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u305f\u753b\u9762\u3067\u3059\u3002\u73fe\u5728\u306eAE\u3067\u64ae\u5f71\u30fb\u518d\u691c\u8a3c\u3057\u305f\u753b\u9762\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" alt=\"\u4e0a\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e\u30921\u79d2\u9045\u308c\u3067\u8ffd\u5f93\u3055\u305b\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u306e\u5165\u529b\u753b\u9762\u3002\" class=\"wp-image-9374\" src=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2026\/09\/20170612223739.webp\"\/><figcaption>\u7d71\u5408\u5143\u306e\u8a18\u4e8b\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u305f\u753b\u9762\u3067\u3059\u3002\u73fe\u5728\u306eAE\u3067\u64ae\u5f71\u30fb\u518d\u691c\u8a3c\u3057\u305f\u753b\u9762\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n\n\n<p class=\"wp-block-paragraph\">\u7d71\u5408\u5143\u306e\u53c2\u8003\u51fa\u5178\uff1a<a href=\"https:\/\/www.wgn.co.jp\/store\/blog\/item-1223.html\">\u30ef\u30fc\u30af\u30b9\u30b3\u30fc\u30dd\u30ec\u30fc\u30b7\u30e7\u30f3\u63b2\u8f09\u30da\u30fc\u30b8<\/a>\u3002\u4eca\u56de\u306e\u5f0f\u306f\u5148\u982d\u30ec\u30a4\u30e4\u30fc\u306e\u30ac\u30fc\u30c9\u3092\u52a0\u3048\u305f\u8a18\u8ff0\u3067\u3059\u3002AE\u672c\u4f53\u306e\u52d5\u4f5c\u78ba\u8a8d\u306f\u3001\u3053\u306e\u30da\u30fc\u30b8\u306e\u691c\u8a3c\u7bc4\u56f2\u306e\u8a18\u8f09\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<!-- cgm-merge-17744:end -->\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>valueAtTime(t) \u3067\u3001\u6307\u5b9a\u3057\u305f\u79d2\u306e\u5024\u3092\u53d6\u308a\u51fa\u305b\u308b<\/li>\n\n\n<li>time &#8211; 0.2 \u3068\u66f8\u304f\u3068\u30010.2\u79d2\u524d\u306e\u5024\u3067\u9045\u308c\u3066\u8ffd\u3044\u304b\u3051\u308b<\/li>\n\n\n<li>index &#8211; 1 \u3092\u4f7f\u3046\u3068\u3001\u8907\u88fd\u3059\u308b\u3060\u3051\u3067\u9806\u756a\u306b\u9045\u308c\u308b<\/li>\n\n\n<li>valueAtTime(0) \u3084 valueAtTime(inPoint) \u3067\u6700\u521d\u306e\u5024\u3092\u4f7f\u3048\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u8003\uff1aAdobe\u300cExpression language reference\u300d\uff082026\u5e7410\u67083\u65e5\u306b\u516c\u5f0f\u8cc7\u6599\u3092\u78ba\u8a8d\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>valueAtTime \u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u300c\u6307\u5b9a\u3057\u305f\u6642\u9593\u306e\u5024\u300d\u3092\u53d6\u308a\u51fa\u3059\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3067\u3059\u3002 \u4eca\u3088\u308a\u5c11\u3057\u524d\u306e\u5024\u3092\u4f7f\u3048\u3070\u3001\u5225\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u52d5\u304d\u3092\u9045\u308c\u3066\u8ffd\u3044\u304b\u3051\u308b\u52d5\u304d\u304c\u4f5c\u308c\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u306f\u3001Adobe\u516c\u5f0f\u306e\u300cExpress [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18710,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","ssp_meta_description":"After Effects\u306evalueAtTime\u3067\u3001\u5225\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u52d5\u304d\u3092\u5c11\u3057\u9045\u308c\u3066\u8ffd\u3044\u304b\u3051\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u30021\u3064\u3092\u9045\u3089\u305b\u308b\u57fa\u672c\u3001\u8907\u88fd\u3059\u308b\u3060\u3051\u3067\u9806\u756a\u306b\u9045\u308c\u308b\u66f8\u304d\u65b9\u3001\u6700\u521d\u306e\u5024\u3092\u4f7f\u3046\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002","ssp_meta_title":"AE\u306evalueAtTime\u3067\u6642\u9593\u3092\u305a\u3089\u3059\u65b9\u6cd5","ssp_meta_robots":"","ssp_meta_canonical":"","ssp_meta_image":"","ssp_meta_keyword":"","book_review_data":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-18709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expression-script"],"_links":{"self":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/18709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/comments?post=18709"}],"version-history":[{"count":4,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/18709\/revisions"}],"predecessor-version":[{"id":18782,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/18709\/revisions\/18782"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media\/18710"}],"wp:attachment":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media?parent=18709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/categories?post=18709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/tags?post=18709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}