{"id":18751,"date":"2026-09-30T10:45:09","date_gmt":"2026-09-30T01:45:09","guid":{"rendered":"https:\/\/cg-method.com\/after-effects\/?p=18751"},"modified":"2026-10-03T08:35:23","modified_gmt":"2026-10-02T23:35:23","slug":"after-effects-lookat-expression","status":"publish","type":"post","link":"https:\/\/cg-method.com\/after-effects\/after-effects-lookat-expression\/","title":{"rendered":"After Effects\u306elookAt\u3067\u5bfe\u8c61\u306e\u65b9\u5411\u3078\u5411\u3051\u308b\uff5c\u5f15\u6570\u3068\u4f7f\u3044\u65b9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">After Effects\u3067\u3001\u77e2\u5370\u3084\u76ee\u7dda\u3092\u3001\u52d5\u304f\u5bfe\u8c61\u3078\u5411\u3051\u7d9a\u3051\u305f\u3044\u3068\u304d\u306f\u3001lookAt \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Adobe\u516c\u5f0f\u306e\u672c\u6587\u3092\u78ba\u8a8d\u3057\u3001\u5f15\u6570\u3068\u623b\u308a\u5024\u3001\u89aa\u5b50\u4ed8\u3051\u3057\u305f\u5bfe\u8c61\u3092\u53c2\u7167\u3059\u308b\u3068\u304d\u306e\u6761\u4ef6\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>lookAt(fromPoint, atPoint) \u306e\u5f62\u3067\u66f8\u304f<\/li>\n\n\n<li>fromPoint\u306f\u5411\u304d\u3092\u5909\u3048\u305f\u3044\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e\u3001atPoint\u306f\u5411\u3051\u305f\u3044\u5148\u306e\u70b9<\/li>\n\n\n<li>\u623b\u308a\u5024\u306f3\u3064\u306e\u5024\u3067\u3001\u30ec\u30a4\u30e4\u30fc\u306e\u5411\u304d\uff08Orientation\uff09\u306b\u4f7f\u3046<\/li>\n\n\n<li>\u30ab\u30e1\u30e9\u306b\u4f7f\u3046\u3068\u304d\u306f\u3001\u81ea\u52d5\u65b9\u5411\u3092\u30aa\u30d5\u306b\u3059\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e7410\u67083\u65e5\u306bAdobe\u516c\u5f0f\u300cExpression language reference\u300d\u306e\u672c\u6587\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u6a5f\u3067\u306e\u518d\u73fe\u306f\u542b\u307f\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ed5\u69d8\u306f\u3001\u516c\u5f0f\u30da\u30fc\u30b8\u3067\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">lookAt\u306e\u5f15\u6570\u3068\u623b\u308a\u5024<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"min-width:8em !important\">\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>fromPoint<\/td><td>\u5411\u304d\u3092\u5909\u3048\u305f\u3044\u30ec\u30a4\u30e4\u30fc\u306e\u3001\u30ef\u30fc\u30eb\u30c9\u7a7a\u9593\u306e\u4f4d\u7f6e\uff083\u3064\u306e\u5024\uff09<\/td><\/tr><tr><td>atPoint<\/td><td>\u5411\u3051\u305f\u3044\u5148\u306e\u3001\u30ef\u30fc\u30eb\u30c9\u7a7a\u9593\u306e\u70b9\uff083\u3064\u306e\u5024\uff09<\/td><\/tr><tr><td>\u623b\u308a\u5024<\/td><td>3\u3064\u306e\u5024\u3002Orientation\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4f7f\u3048\u3001\u30ec\u30a4\u30e4\u30fc\u306eZ\u8ef8\u304catPoint\u3092\u5411\u304f<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u51fa\u5178\uff1aAdobe\u516c\u5f0f\u300cExpression language reference\u300d\uff08\u672c\u6587\u78ba\u8a8d\u65e5 2026-10-03\uff09<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30e1\u30e9\u3068\u30e9\u30a4\u30c8\u3067\u3001\u7279\u306b\u5f79\u7acb\u3064\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516c\u5f0f\u306e\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30dd\u30c3\u30c8\u30e9\u30a4\u30c8\u306e\u5411\u304d\uff08Orientation\uff09\u306b\u3001\u6b21\u306e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u4f8b\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>lookAt(position, thisComp.layer(1).position)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u77ed\u3044\u516c\u5f0f\u4f8b\u306f\u3001\u5411\u3051\u308b\u5074\u3068\u5bfe\u8c61\u5074\u306e\u4f4d\u7f6e\u3092\u30ef\u30fc\u30eb\u30c9\u5ea7\u6a19\u3068\u3057\u3066\u6271\u3048\u308b\u5834\u5408\u306e\u4f8b\u3067\u3059\u3002\u89aa\u306e\u7570\u306a\u308b\u30ec\u30a4\u30e4\u30fc\u3067\u306f\u3001\u4f4d\u7f6e\u3092\u305d\u306e\u307e\u307e\u6bd4\u8f03\u3059\u308b\u3068\u5ea7\u6a19\u304c\u63c3\u3044\u307e\u305b\u3093\u3002\u30ec\u30a4\u30e4\u30fc1\u304c\u5f0f\u3092\u8cbc\u3063\u305f\u30e9\u30a4\u30c8\u81ea\u8eab\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89aa\u5b50\u4ed8\u3051\u3057\u305f\u5bfe\u8c61\u3092\u53c2\u7167\u3059\u308b\u7df4\u7fd2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5225\u540d\u4fdd\u5b58\u3057\u305f\u7df4\u7fd2\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001\u5411\u3051\u308b\u5074\u306f\u89aa\u306a\u3057\u306e3D\u30ec\u30a4\u30e4\u30fc\u306b\u3057\u3001X\u30fbY\u30fbZ\u56de\u8ee2\u30920\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5225\u306e3D\u30ec\u30a4\u30e4\u30fc\u3092\u300c\u5bfe\u8c61\u300d\u3068\u540d\u4ed8\u3051\u3001\u5411\u3051\u308b\u5074\u306eOrientation\u3078\u6b21\u306e\u5f0f\u3092\u8cbc\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89aa\u306a\u3057\u306e\u5411\u3051\u308b\u5074\u306fposition\u3092\u4f7f\u3044\u3001\u5bfe\u8c61\u306e\u30a2\u30f3\u30ab\u30fc\u30dd\u30a4\u30f3\u30c8\u306ftoWorld\u3067\u30ef\u30fc\u30eb\u30c9\u5ea7\u6a19\u3078\u5909\u63db\u3057\u307e\u3059\u3002\u5bfe\u8c61\u306e\u89aa\u306b\u5411\u3051\u308b\u5074\u3084\u305d\u306e\u5b50\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u5411\u304d\u3068\u5bfe\u8c61\u4f4d\u7f6e\u304c\u76f8\u4e92\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u907f\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>var target = thisComp.layer(&quot;\u5bfe\u8c61&quot;);\nvar result = value;\nif (!hasParent &amp;&amp; target.index != index) {\n  var fromPoint = position;\n  var atPoint = target.toWorld(target.anchorPoint);\n  if (length(fromPoint, atPoint) &gt; 0.0001) {\n    result = lookAt(fromPoint, atPoint);\n  }\n}\nresult;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5f0f\u306f\u5411\u3051\u308b\u5074\u306b\u89aa\u304c\u3042\u308b\u3068\u5143\u306e\u5411\u304d\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ef\u30fc\u30eb\u30c9\u5ea7\u6a19\u3067\u6c42\u3081\u305f\u5411\u304d\u3092\u3001\u89aa\u306e\u56de\u8ee2\u3092\u542b\u3080\u30ed\u30fc\u30ab\u30ebOrientation\u3078\u305d\u306e\u307e\u307e\u4f7f\u308f\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u8c61\u304c\u81ea\u8eab\u3001\u307e\u305f\u306f\u4e21\u70b9\u304c\u91cd\u306a\u308b\u5834\u5408\u3082\u5143\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\" tabindex=\"0\" aria-label=\"\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u308b\u6bd4\u8f03\u8868\"><table class=\"has-fixed-layout\" style=\"min-width:24em\"><thead><tr><th style=\"min-width:8em !important\">\u7df4\u7fd2\u5165\u529b<\/th><th style=\"min-width:8em !important\">\u78ba\u8a8d\u3059\u308b\u7d50\u679c<\/th><th style=\"min-width:8em !important\">\u9069\u7528\u6761\u4ef6<\/th><\/tr><\/thead><tbody><tr><td>\u5bfe\u8c61\u3092\u5225\u306e\u5834\u6240\u3078\u52d5\u304b\u3059<\/td><td>Z\u8ef8\u304c\u5bfe\u8c61\u306e\u65b9\u5411\u3092\u5411\u304f<\/td><td>AE\u3067\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u5fc5\u8981<\/td><\/tr><tr><td>\u5bfe\u8c61\u306b\u89aa\u3092\u4ed8\u3051\u3066\u89aa\u3092\u52d5\u304b\u3059<\/td><td>\u5bfe\u8c61\u306e\u30ef\u30fc\u30eb\u30c9\u4f4d\u7f6e\u3092\u53c2\u7167<\/td><td>\u4f4d\u7f6e\u306e\u6570\u5024\u3060\u3051\u3067\u306f\u6bd4\u8f03\u3057\u306a\u3044<\/td><\/tr><tr><td>\u5411\u3051\u308b\u5074\u306b\u89aa\u304c\u3042\u308b\u30fb\u4e21\u70b9\u304c\u540c\u3058<\/td><td>\u5143\u306e\u5411\u304d<\/td><td>\u3053\u306e\u5f0f\u306e\u9069\u7528\u6761\u4ef6\u5916<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30e1\u30e9\u306f\u5143\u306eAuto-Orient\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u3066\u30aa\u30d5\u306b\u3057\u3066\u304b\u3089\u8a66\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b9\u5411\u304c\u9055\u3046\u3068\u304d\u306f\u8cbc\u4ed8\u5148\u3001\u89aa\u3001\u4ed6\u306e\u56de\u8ee2\u3001\u7d75\u306e\u8ef8\u3092\u9806\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u623b\u3059\u3068\u304d\u306f\u5f0f\u3092\u7121\u52b9\u306b\u3057\u3001\u4fdd\u5b58\u3057\u305f\u56de\u8ee2\u3068Auto-Orient\u3092\u623b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AE\u672c\u4f53\u306e\u518d\u73fe\u306f\u672a\u691c\u8a3c\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u3046\u3068\u304d\u306e\u6ce8\u610f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u30ab\u30e1\u30e9\u306b\u4f7f\u3046\u3068\u304d\u306f\u3001\u81ea\u52d5\u65b9\u5411\uff08Auto-Orient\uff09\u3092\u30aa\u30d5\u306b\u3059\u308b<\/li>\n\n\n<li>Orientation\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306blookAt\u3092\u66f8\u304f<\/li>\n\n\n<li>\u5411\u3051\u308b\u5148\u306e\u30ec\u30a4\u30e4\u30fc\u304c\u52d5\u3051\u3070\u3001\u5411\u304d\u3082\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u5909\u308f\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0f\u306f3D\u30ec\u30a4\u30e4\u30fc\u30fb\u30ab\u30e1\u30e9\u30fb\u30e9\u30a4\u30c8\u306e\u300c\u5411\u304d\uff08Orientation\uff09\u300d\u306b\u8cbc\u308a\u307e\u3059\u30022D\u30ec\u30a4\u30e4\u30fc\u306e\u56de\u8ee2\u30783\u8981\u7d20\u306e\u623b\u308a\u5024\u3092\u305d\u306e\u307e\u307e\u8cbc\u308b\u4f8b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">lookAt\u306f\u30ec\u30a4\u30e4\u30fc\u306eZ\u8ef8\u3092\u5bfe\u8c61\u3078\u5411\u3051\u308b\u95a2\u6570\u3067\u3059\u3002\u77e2\u5370\u306e\u7d75\u304cX\u8ef8\u65b9\u5411\u3092\u5411\u3044\u3066\u3044\u308b\u5834\u5408\u3001\u7d75\u306e\u5411\u304d\u3068Z\u8ef8\u306e\u5411\u304d\u306f\u4e00\u81f4\u3057\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After Effects\u3067\u3001\u77e2\u5370\u3084\u76ee\u7dda\u3092\u3001\u52d5\u304f\u5bfe\u8c61\u3078\u5411\u3051\u7d9a\u3051\u305f\u3044\u3068\u304d\u306f\u3001lookAt \u3092\u4f7f\u3044\u307e\u3059\u3002 Adobe\u516c\u5f0f\u306e\u672c\u6587\u3092\u78ba\u8a8d\u3057\u3001\u5f15\u6570\u3068\u623b\u308a\u5024\u3001\u89aa\u5b50\u4ed8\u3051\u3057\u305f\u5bfe\u8c61\u3092\u53c2\u7167\u3059\u308b\u3068\u304d\u306e\u6761\u4ef6\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002 2026\u5e7410\u67083\u65e5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18752,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","ssp_meta_description":"After Effects\u306e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3lookat\u306e\u5f15\u6570\u3068\u623b\u308a\u5024\u3001\u516c\u5f0f\u306e\u4f8b\u3001\u4f7f\u3046\u3068\u304d\u306e\u6ce8\u610f\u3092\u3001Adobe\u516c\u5f0f\u306e\u8aac\u660e\u306e\u8981\u7d04\u3067\u6574\u7406\u3057\u307e\u3059\u3002","ssp_meta_title":"After Effects\u306elookat\u306e\u4f7f\u3044\u65b9","ssp_meta_robots":"","ssp_meta_canonical":"","ssp_meta_image":"","ssp_meta_keyword":"","book_review_data":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-18751","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\/18751","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=18751"}],"version-history":[{"count":4,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/18751\/revisions"}],"predecessor-version":[{"id":18779,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/18751\/revisions\/18779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media\/18752"}],"wp:attachment":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media?parent=18751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/categories?post=18751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/tags?post=18751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}