{"id":17750,"date":"2016-01-05T23:08:20","date_gmt":"2016-01-05T14:08:20","guid":{"rendered":"https:\/\/cg-method.com\/after-effects\/?p=17750"},"modified":"2026-01-12T18:01:34","modified_gmt":"2026-01-12T09:01:34","slug":"after-effects-random-z-position-expression","status":"publish","type":"post","link":"https:\/\/cg-method.com\/after-effects\/after-effects-random-z-position-expression\/","title":{"rendered":"After Effects\u2502Z\u65b9\u5411\u3060\u3051\u3092\u30e9\u30f3\u30c0\u30e0\u306e\u5024\u3092\u5165\u308c\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3"},"content":{"rendered":"\n<p>\u753b\u50cf\u3092Z\u65b9\u5411\u306b\u30e9\u30f3\u30c0\u30e0\u3067\u30d0\u30e9\u3051\u3055\u305b\u305f\u3044<\/p>\n\n\n\n<p>\u305f\u304f\u3055\u3093\u753b\u50cf\u3092\u9069\u5f53\u306b\u3044\u3044\u611f\u3058\u306b\u30d0\u30e9\u3051\u3066\u914d\u7f6e\u3067\u304d\u306a\u3044\u304b\u306a\u30fc\u3068\u601d\u3063\u3066\u3001Z\u65b9\u5411\u3060\u3051\u3092\u30e9\u30f3\u30c0\u30e0\u306e\u5024\u3092\u5165\u308c\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460\u7279\u5b9a\u306e\u6642\u9593\u306b\u56fa\u5b9a\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\/Z\u5024\u3060\u3051\u30e9\u30f3\u30c0\u30e0\u306b\u3059\u308b<\/h3>\n\n\n\n<p>seedRandom\u306e\u30b3\u30fc\u30c9\u3092\u3057\u3066\u304a\u304f\u3068\u6642\u9593\u56fa\u5b9a\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u5404\u65b9\u5411\u306e\u5024\u3092\u53d6\u5f97\u3001\u3055\u3089\u306bZ\u5024\u306b\u30e9\u30f3\u30c0\u30e0\u5024\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>seedRandom(index,true);\nvar x = thisComp.layer(index).transform.position[0];\nvar y = thisComp.layer(index).transform.position[1];\nvar z = thisComp.layer(index).transform.position[2]+random(2000);\n[x,y,z];<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u30de\u30fc\u30ab\u30fc\u30b3\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p>\u307e\u3068\u3081\u3066\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u5236\u5fa1\u3059\u308b\u6642\u306b\u4fbf\u5229\u3067\u3059\u3002\u30cc\u30eb\u306b\u5165\u308c\u3066\u3082\u826f\u3044\u306e\u3067\u3059\u304c\u3001\u30d5\u30ec\u30fc\u30e0\u5358\u4f4d\u3067\u66f4\u65b0\u304c\u304b\u304b\u308a\u91cd\u304f\u306a\u308b\u306e\u3067\u30b3\u30e1\u30f3\u30c8\u306b\u5165\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>eval(thisComp.marker.key(1).comment)<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u65b9\u5411\u3060\u3051\u3092\u30e9\u30f3\u30c0\u30e0\u306e\u5024\u3092\u5165\u308c\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u306e\u3084\u308a\u65b9<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2019\/08\/Screenshot_2019_0818_03.png\" alt=\"\" class=\"wp-image-5764\"\/><\/figure>\n\n\n\n<ol class=\"wp-block-list is-style-num_circle\">\n<li>\u753b\u50cf\u306e3D\u30ec\u30a4\u30e4\u30fc\u3092ON<\/li>\n\n\n\n<li>\u3059\u3079\u3066\u306e\u753b\u50cf\u306e\u300c\u4f4d\u7f6e\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u2461\u306e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\uff08\u30de\u30fc\u30ab\u30fc\u306e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u4ed5\u8fbc\u307f\u307e\u3059\uff09<\/li>\n\n\n\n<li>\u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u30de\u30fc\u30ab\u30fc\u30b3\u30e1\u30f3\u30c8\u306b\u2460\u306e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u8a18\u8ff0<\/li>\n\n\n\n<li>\u3055\u3089\u306bZ\u5024\u3092\u52d5\u304b\u3057\u3066\u5fae\u8abf\u6574\uff08\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u304c\u5165\u3063\u3066\u3044\u308b\u72b6\u614b\u3067\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u8abf\u6574\u304c\u53ef\u80fd\u3067\u3059\uff09<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u9069\u7528\u7d50\u679c<\/h2>\n\n\n\n<p>Before\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2019\/08\/Screenshot_2019_0818_04.png\" alt=\"\" class=\"wp-image-5778\"\/><\/figure>\n\n\n\n<p>After\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cg-method.com\/after-effects\/wp-content\/uploads\/2019\/08\/Screenshot_2019_0818_01.png\" alt=\"\" class=\"wp-image-5762\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30e9\u30a4\u30c0\u30fc\u5236\u5fa1\u3082\u3064\u3051\u308b<\/h2>\n\n\n\n<p>\u3055\u3089\u306b\u30b9\u30e9\u30a4\u30c0\u30fc\u3067\u30e9\u30f3\u30c0\u30e0\u5024\u3092\u8abf\u6574\u3057\u3066\u3082\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30cc\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3001\u30a8\u30d5\u30a7\u30af\u30c8\uff1e\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u5236\u5fa1\uff1e\u30b9\u30e9\u30a4\u30c0\u30fc\u5236\u5fa1\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u306f\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u66f8\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>seedRandom(index,true);\ntemp = thisComp.layer(&quot;\u30cc\u30eb 1&quot;).effect(&quot;\u30b9\u30e9\u30a4\u30c0\u30fc\u5236\u5fa1&quot;)(&quot;\u30b9\u30e9\u30a4\u30c0\u30fc&quot;);\nvar x = thisComp.layer(index).transform.position[0];\nvar y = thisComp.layer(index).transform.position[1];\nvar z = thisComp.layer(index).transform.position[2]+random(temp);\n[x,y,z];<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u753b\u50cf\u3092Z\u65b9\u5411\u306b\u30e9\u30f3\u30c0\u30e0\u3067\u30d0\u30e9\u3051\u3055\u305b\u305f\u3044 \u305f\u304f\u3055\u3093\u753b\u50cf\u3092\u9069\u5f53\u306b\u3044\u3044\u611f\u3058\u306b\u30d0\u30e9\u3051\u3066\u914d\u7f6e\u3067\u304d\u306a\u3044\u304b\u306a\u30fc\u3068\u601d\u3063\u3066\u3001Z\u65b9\u5411\u3060\u3051\u3092\u30e9\u30f3\u30c0\u30e0\u306e\u5024\u3092\u5165\u308c\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 \u4f7f\u7528\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3 \u2460\u7279\u5b9a\u306e\u6642\u9593\u306b\u56fa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17951,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-17750","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\/17750","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=17750"}],"version-history":[{"count":2,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/17750\/revisions"}],"predecessor-version":[{"id":17952,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/posts\/17750\/revisions\/17952"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media\/17951"}],"wp:attachment":[{"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/media?parent=17750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/categories?post=17750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cg-method.com\/after-effects\/wp-json\/wp\/v2\/tags?post=17750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}