{"id":21494,"date":"2026-09-29T14:54:15","date_gmt":"2026-09-29T05:54:15","guid":{"rendered":"https:\/\/cg-method.com\/3dcg\/?p=21494"},"modified":"2026-10-03T06:39:45","modified_gmt":"2026-10-02T21:39:45","slug":"spine-ik-constraint","status":"publish","type":"post","link":"https:\/\/cg-method.com\/3dcg\/spine-ik-constraint\/","title":{"rendered":"Spine\u306e2\u672cIK\uff5c\u8db3\u306e\u56fa\u5b9a\u3068\u5c4a\u304b\u306a\u3044\u5834\u5408"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">IK \u306f\u3001\u624b\u5148\u3084\u8db3\u5148\u306e\u4f4d\u7f6e\u3092\u6c7a\u3081\u308b\u3068\u3001\u8155\u3084\u811a\u306e\u66f2\u304c\u308a\u65b9\u3092 Spine \u304c\u81ea\u52d5\u3067\u8a08\u7b97\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b69\u304f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u8db3\u304c\u5e8a\u306b\u3081\u308a\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u4f5c\u308a\u65b9\uff1a\u30dc\u30fc\u30f3\u30921\u672c\u304b2\u672c\uff08\u89aa\u3068\u5b50\uff09\u9078\u3073\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u300cNew&#8230;\u300d\u2192\u300cIK Constraint\u300d\u2192 \u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n<li>1\u672cIK \u306f\u30dc\u30fc\u30f3\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u65b9\u3092\u5411\u304d\u30012\u672cIK \u306f\u5148\u7aef\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5c4a\u304f\u3088\u3046\u306b2\u672c\u304c\u66f2\u304c\u308b<\/li>\n\n\n<li>3\u672c\u4ee5\u4e0a\u306e\u30dc\u30fc\u30f3\u30921\u3064\u306e IK \u3067\u52d5\u304b\u3059\u3053\u3068\u306f\u3067\u304d\u306a\u3044<\/li>\n\n\n<li>\u66f2\u304c\u308b\u5411\u304d\u306f\u300cPositive\u300d\u3001FK \u3068\u306e\u6df7\u305c\u5177\u5408\u306f\u300cMix\u300d\u3067\u6c7a\u3081\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e7410\u67083\u65e5\u3001\u73fe\u884c\u306e\u516c\u5f0f\u30ac\u30a4\u30c9\u3068spine-runtimes 4.3\u306e\u30bd\u30fc\u30b9\u3092\u7167\u5408\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unity\u30fbSpine\u30a8\u30c7\u30a3\u30bf\u3067\u306e\u64cd\u4f5c\u518d\u73fe\u306f\u542b\u307e\u305a\u3001\u753b\u9762\u306e\u82f1\u8a9e\u540d\u3068\u7248\u3054\u3068\u306e\u5dee\u3092\u5206\u3051\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u7d39\u4ecb\u3059\u308b\u6a5f\u80fd\u306f Spine Professional \u3060\u3051\u3067\u4f7f\u3048\u3001Spine Essential \u3067\u306f\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spine \u306e\u30a8\u30c7\u30a3\u30bf\u3067\u306e\u518d\u73fe\u306f\u542b\u307e\u305a\u3001\u753b\u9762\u306e\u540d\u524d\u306f\u82f1\u8a9e\u7248\u306e\u8868\u8a18\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IK\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u3092\u4f5c\u308b<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u66f2\u3052\u305f\u3044\u30dc\u30fc\u30f3\u30921\u672c\u3001\u307e\u305f\u306f\u89aa\u3068\u5b50\u306e2\u672c\u3092\u9078\u3076<\/li>\n\n\n<li>\u30c4\u30ea\u30fc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u300cNew&#8230;\u300d\u2192\u300cIK Constraint\u300d\u3092\u9078\u3076<\/li>\n\n\n<li>\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u30dc\u30fc\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f55\u3082\u306a\u3044\u3068\u3053\u308d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u305d\u306e\u30dc\u30fc\u30f3\u306e\u5148\u7aef\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30dc\u30fc\u30f3\u304c\u4f5c\u3089\u308c\u3001\u4f5c\u3063\u305f\u3068\u304d\u306b\u30dc\u30fc\u30f3\u304c\u52d5\u304b\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001IK \u3067\u52d5\u304b\u3059\u30dc\u30fc\u30f3\u306e\u5b50\u3084\u5b6b\u306b\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3042\u3068\u304b\u3089\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u5909\u3048\u308b\u3068\u304d\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e Target \u306e\u925b\u7b46\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1\u672cIK\u30682\u672cIK<\/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\"><\/th><th>1\u672cIK<\/th><th>2\u672cIK<\/th><\/tr><\/thead><tbody><tr><td>\u52d5\u304d<\/td><td>\u30dc\u30fc\u30f3\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u65b9\u3092\u5411\u304f<\/td><td>\u89aa\u3068\u5b50\u304c\u56de\u8ee2\u3057\u3066\u3001\u5b50\u306e\u5148\u7aef\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5c4a\u304b\u305b\u308b<\/td><\/tr><tr><td>\u4f7f\u3044\u3069\u3053\u308d<\/td><td>\u76ee\u7dda\u30fb\u982d\u306e\u5411\u304d\u30fb\u6b66\u5668\u306e\u5411\u304d<\/td><td>\u8155\u30fb\u811a<\/td><\/tr><tr><td>\u4f7f\u3048\u308b\u8a2d\u5b9a<\/td><td>Mix\u30fbCompress\u30fbStretch<\/td><td>Mix\u30fbSoftness\u30fbStretch\u30fbPositive<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Spine User Guide\u300cIK constraints\u300d\u3092\u3082\u3068\u306b\u4f5c\u6210<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u672c\u4ee5\u4e0a\u306e\u30dc\u30fc\u30f3\u30921\u3064\u306e IK \u3067\u52d5\u304b\u3059\u3053\u3068\u306f\u3001\u66f2\u304c\u308a\u65b9\u304c1\u3064\u306b\u6c7a\u307e\u3089\u306a\u3044\u305f\u3081\u3001\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8a2d\u5b9a<\/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\">\u8a2d\u5b9a<\/th><th>\u50cd\u304d<\/th><\/tr><\/thead><tbody><tr><td>Mix<\/td><td>\u3075\u3064\u3046\u306e\u56de\u8ee2\uff08FK\uff09\u3068 IK \u306e\u56de\u8ee2\u30920\u301c100%\u3067\u6df7\u305c\u308b<\/td><\/tr><tr><td>Positive<\/td><td>2\u672cIK\u3067\u3001\u5b50\u304c\u6b63\u306e\u5411\u304d\uff08\u53cd\u6642\u8a08\u56de\u308a\uff09\u306b\u66f2\u304c\u308b<\/td><\/tr><tr><td>Softness<\/td><td>2\u672cIK\u3060\u3051\u3002\u4f38\u3073\u5207\u308b\u76f4\u524d\u306e\u52d5\u304d\u3092\u3086\u3063\u304f\u308a\u306b\u3059\u308b<\/td><\/tr><tr><td>Compress<\/td><td>1\u672cIK\u3060\u3051\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u8fd1\u3044\u3068\u30dc\u30fc\u30f3\u3092\u7e2e\u3081\u308b<\/td><\/tr><tr><td>Stretch<\/td><td>\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u9060\u3044\u3068\u30dc\u30fc\u30f3\u3092\u4f38\u3070\u3059<\/td><\/tr><tr><td>Uniform<\/td><td>\u7e2e\u3081\u305f\u308a\u4f38\u3070\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u3001\u7e26\u6a2a\u3092\u540c\u3058\u6bd4\u7387\u306b\u3059\u308b<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Spine User Guide\u300cIK constraints\u300d\u3092\u3082\u3068\u306b\u4f5c\u6210<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mix \u30920\u3068100\u306e\u9593\u306b\u3059\u308b\u3068\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u52d5\u304b\u3057\u305f\u3068\u304d\u306b\u66f2\u304c\u308b\u5411\u304d\u304c\u6025\u306b\u53cd\u8ee2\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3068\u3001\u516c\u5f0f\u30ac\u30a4\u30c9\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89aa\u306e\u30dc\u30fc\u30f3\u306b\u7e26\u6a2a\u3067\u9055\u3046\u62e1\u5927\uff08\u975e\u4e00\u69d8\u30b9\u30b1\u30fc\u30eb\uff09\u304c\u3042\u308b\u3068\u3001Stretch \u306f\u52b9\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.3\u3067\u306e\u5909\u66f4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4.3 \u306e\u30d9\u30fc\u30bf\u306e\u5909\u66f4\u5c65\u6b74\u306b\u306f\u3001Uniform \u3092\u7f6e\u304d\u304b\u3048\u308b IK \u306e scaleY \u3068 volume \u306e\u8a2d\u5b9a\u3092\u52a0\u3048\u305f\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u3082\u3001IkConstraintData.Uniform \u304c ScaleY\uff08none\u30fbuniform\u30fbvolume\uff09\u306b\u5909\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4.3 \u306e\u30a8\u30c7\u30a3\u30bf\u3067\u9805\u76ee\u306e\u540d\u524d\u304c\u3069\u3046\u8868\u793a\u3055\u308c\u308b\u304b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u3067\u306f\u78ba\u304b\u3081\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8db3\u3092\u5730\u9762\u306b\u56fa\u5b9a\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u5f0f\u30ac\u30a4\u30c9\u306f\u3001IK \u306e\u4f7f\u3044\u9053\u3068\u3057\u3066\u3001\u6b69\u304f\u3068\u304d\u306b\u8db3\u304c\u5e8a\u306b\u3081\u308a\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u6319\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8003\u3048\u65b9\u306f\u3001\u592a\u3082\u3082\u3068\u3059\u306d\u306e2\u672c\u306b2\u672cIK\u3092\u4ed8\u3051\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30dc\u30fc\u30f3\u3092\u5e8a\u306e\u4f4d\u7f6e\u306b\u7f6e\u3044\u3066\u30ad\u30fc\u3092\u6253\u3064\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u52d5\u304b\u3055\u305a\u30012\u672c\u306e\u30dc\u30fc\u30f3\u304c\u5c4a\u304f\u7bc4\u56f2\u3067\u4f53\u3092\u52d5\u304b\u3059\u3068\u3001\u8db3\u5148\u306e\u4f4d\u7f6e\u3092\u4fdd\u3064\u7528\u9014\u306b\u4f7f\u3048\u307e\u3059\u3002\u5c4a\u304f\u7bc4\u56f2\u3084\u5f8c\u6bb5\u306e\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8db3\u5148\u306e\u30dc\u30fc\u30f3\u306e\u89aa\u5b50\u306e\u7d44\u307f\u65b9\u306a\u3069\u3001\u7d30\u304b\u3044\u624b\u9806\u306f\u516c\u5f0f\u30ac\u30a4\u30c9\u306b\u306f\u66f8\u304b\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306e\u9806\u5e8f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306f\u3001\u30c4\u30ea\u30fc\u306b\u4e26\u3093\u3060\u9806\u306b\u4e0a\u304b\u3089\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f8c\u306e\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u304c\u540c\u3058\u30dc\u30fc\u30f3\u3092\u8a08\u7b97\u3057\u76f4\u3059\u3068\u3001\u524d\u306e\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306e\u52b9\u679c\u304c\u6d88\u3048\u308b\u306e\u3067\u3001\u9806\u5e8f\u3092\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u4f5c\u3063\u305f\u3068\u304d\u306f\u3001Spine \u304c\u9069\u5f53\u306a\u4f4d\u7f6e\u306b\u5165\u308c\u308b<\/li>\n\n\n<li>\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30e2\u30fc\u30c9\u3067\u3001\u4e0a\u4e0b\u306b\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u9806\u5e8f\u3092\u5909\u3048\u3089\u308c\u308b<\/li>\n\n\n<li>\u300cReset\u300d\u3067\u3001\u5168\u4f53\u306e\u9806\u5e8f\u3092\u81ea\u52d5\u3067\u4e26\u3079\u76f4\u305b\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Spine \u306e\u57fa\u672c\u306f\u3001<a href=\"https:\/\/cg-method.com\/3dcg\/spine-tutorial\/\">Spine\u306e\u4f7f\u3044\u65b9<\/a>\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2\u672cIK\u306e\u5c4a\u304f\u7bc4\u56f2\u3092\u78ba\u8a8d\u3059\u308b\u7df4\u7fd2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5143\u306e.spine\u3092\u8907\u88fd\u3057\u3001\u89aa\u306e\u9577\u305560\u30fb\u5b50\u306e\u9577\u305540\u306e2\u672c\u3092\u4e00\u76f4\u7dda\u306b\u7f6e\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89aa\u306e\u59cb\u70b9\u3092\uff080, 0\uff09\u3068\u3057\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306fIK\u3067\u52d5\u304b\u3059\u30dc\u30fc\u30f3\u306e\u5b50\u5b6b\u306b\u5165\u308c\u305a\u3001\u72ec\u7acb\u3057\u305f\u30dc\u30fc\u30f3\u3068\u3057\u3066\u4f5c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u4e00\u69d8\u30b9\u30b1\u30fc\u30eb\u306e\u306a\u3044\u7df4\u7fd2\u72b6\u614b\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mix\u3092100%\u3001Stretch\u3092\u30aa\u30d5\u3001Softness\u30920\u306b\u3057\u3066\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\uff0860, 20\uff09\u3078\u7f6e\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306b\uff08120, 0\uff09\u3078\u52d5\u304b\u3057\u3001\u8db3\u5148\u304c\u5c4a\u304f\u5834\u5408\u3068\u7dcf\u5ef6\u9577100\u3092\u8d85\u3048\u308b\u5834\u5408\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5358\u4f4d\u306f\u3053\u306e\u7df4\u7fd2\u7528\u30b9\u30b1\u30eb\u30c8\u30f3\u5185\u306e\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stretch\u3092\u4f7f\u308f\u306a\u30442\u672c\u306e\u9577\u3055\u306e\u5408\u8a08\u3092\u8d85\u3048\u308b\u8ddd\u96e2\u3067\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3078\u5c4a\u304f\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u56fa\u5b9a\u3057\u3066\u3082\u3001\u4f53\u306e\u79fb\u52d5\u3067\u5c4a\u304f\u7bc4\u56f2\u3092\u5916\u308c\u305f\u5834\u5408\u306f\u8db3\u5148\u306e\u4f4d\u7f6e\u304c\u4fdd\u305f\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\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\u6761\u4ef6<\/th><th style=\"min-width:8em !important\">\u671f\u5f85\u3059\u308b\u7d50\u679c<\/th><th style=\"min-width:8em !important\">\u5207\u308a\u5206\u3051<\/th><\/tr><\/thead><tbody><tr><td>\u5c4a\u304f\u4f4d\u7f6e\u3067\u8db3\u5148\u3092\u78ba\u8a8d<\/td><td>\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u8db3\u5148\u3092\u6bd4\u8f03<\/td><td>Positive\u3092\u5207\u308a\u66ff\u3048\u3066\u66f2\u304c\u308b\u5074\u3082\u898b\u308b<\/td><\/tr><tr><td>\u7dcf\u5ef6\u9577\u3092\u8d85\u3048\u308b\u4f4d\u7f6e<\/td><td>Stretch\u30aa\u30d5\u3067\u306f\u5c4a\u304b\u306a\u3044<\/td><td>\u30bf\u30fc\u30b2\u30c3\u30c8\u30fb\u4f53\u4f4d\u7f6e\u30fb\u9577\u3055\u3092\u78ba\u8a8d<\/td><\/tr><tr><td>Stretch\u304c\u52b9\u304b\u306a\u3044<\/td><td>2\u672cIK\u306eSoftness\u3068\u89aa\u306e\u30b9\u30b1\u30fc\u30eb<\/td><td>Softness&gt;0\u3068\u975e\u4e00\u69d8\u30b9\u30b1\u30fc\u30eb\u3092\u5206\u3051\u308b<\/td><\/tr><tr><td>\u5f8c\u3067\u8db3\u5148\u304c\u305a\u308c\u308b<\/td><td>\u5f8c\u6bb5\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306e\u5f71\u97ff<\/td><td>\u540c\u3058\u30dc\u30fc\u30f3\u3092\u6271\u3046\u9806\u5e8f\u3092\u6bd4\u8f03<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8db3\u306e\u56fa\u5b9a\u3068FK\u3078\u623b\u3059\u78ba\u8a8d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c4a\u304f\u7bc4\u56f2\u3067\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u56fa\u5b9a\u3057\u3001\u4f53\u3092\u5c11\u3057\u4e0a\u4e0b\u3055\u305b\u3066\u8db3\u5148\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mix\u30920%\u3078\u623b\u3059\u3068FK\u306e\u56de\u8ee2\u304c\u4f7f\u308f\u308c\u308b\u305f\u3081\u3001\u5143\u306e\u56de\u8ee2\u30ad\u30fc\u3068\u4f4d\u7f6e\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u3001Mix\u3001Positive\u3001Stretch\u3001Softness\u3068\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306e\u9806\u5e8f\u3092\u958b\u59cb\u524d\u3078\u623b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u672cIK\u3067\u306fSoftness\u304c0\u3088\u308a\u5927\u304d\u3044\u3068Stretch\u304c\u9069\u7528\u3055\u308c\u305a\u3001\u89aa\u306e\u975e\u4e00\u69d8\u30b9\u30b1\u30fc\u30eb\u3067\u3082\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4.3\u306escaleY\/volume\u306e\u540d\u524d\u3068\u5f93\u6765\u30ac\u30a4\u30c9\u306eUniform\u306f\u3001\u4f7f\u3063\u3066\u3044\u308b\u7248\u306e\u8868\u793a\u306b\u5408\u308f\u305b\u3066\u533a\u5225\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7df4\u7fd2\u30d5\u30a1\u30a4\u30eb\u3068\u78ba\u8a8d\u6e08\u307f\u306e\u7bc4\u56f2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/cg-method.com\/3dcg\/wp-content\/uploads\/2026\/10\/cgm-spine-practice-12.zip\">Spine\u95a2\u9023\u306e\u7df4\u7fd2\u5165\u529b\u3068C#\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u672c\u306eC#\u4f8b\u306f\u53c2\u7167\u30fb\u540d\u524d\u30fb\u5f85\u3061\u6642\u9593\u306e\u7570\u5e38\u7cfb\u3092\u30ed\u30fc\u30ab\u30eb\u306e\u30c6\u30b9\u30c8\u30c0\u30d6\u30eb\u3067\u691c\u67fb\u3057\u30014.3\u306eAPI\u5ba3\u8a00\u3092\u4e00\u6b21\u8cc7\u6599\u3067\u7167\u5408\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306eSpine\/Unity\u30b3\u30f3\u30d1\u30a4\u30eb\u30fb\u63cf\u753b\u30fb\u30b9\u30ad\u30f3\u30fb\u66f8\u304d\u51fa\u3057\u30fb\u5909\u5f62\u306f\u672a\u691c\u8a3c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30fc\u30c9\u306f4.3\u7528\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7df4\u7fd2\u306e\u5b8c\u4e86\u306f\u3001\u305d\u308c\u305e\u308c\u672c\u6587\u306e\u8868\u793a\u30fb\u518d\u751f\u30fb\u5fa9\u5143\u3092\u5b9f\u74b0\u5883\u3067\u78ba\u8a8d\u3057\u3066\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u30dc\u30fc\u30f3\u3092\u9078\u3093\u3067\u300cNew&#8230;\u300d\u2192\u300cIK Constraint\u300d\u2192 \u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n<li>1\u672cIK \u306f\u5411\u304d\u3092\u5408\u308f\u305b\u30012\u672cIK \u306f\u8155\u3084\u811a\u3092\u66f2\u3052\u308b\u30023\u672c\u4ee5\u4e0a\u306f\u4e0d\u53ef<\/li>\n\n\n<li>\u66f2\u304c\u308b\u5411\u304d\u306f Positive\u3001FK \u3068\u306e\u6df7\u305c\u5177\u5408\u306f Mix<\/li>\n\n\n<li>\u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u30c8\u306f\u4e0a\u304b\u3089\u9806\u306b\u8a08\u7b97\u3055\u308c\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u8003\uff1aEsoteric Software\u300cIK constraints\u300d\u300cConstraints\u300d\u3001\u5909\u66f4\u5c65\u6b74\uff082026\u5e749\u670829\u65e5\u306b\u78ba\u8a8d\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IK \u306f\u3001\u624b\u5148\u3084\u8db3\u5148\u306e\u4f4d\u7f6e\u3092\u6c7a\u3081\u308b\u3068\u3001\u8155\u3084\u811a\u306e\u66f2\u304c\u308a\u65b9\u3092 Spine \u304c\u81ea\u52d5\u3067\u8a08\u7b97\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002 \u6b69\u304f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u8db3\u304c\u5e8a\u306b\u3081\u308a\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u4f7f\u3044\u307e\u3059\u3002 2026\u5e7410\u67083\u65e5\u3001\u73fe\u884c\u306e\u516c\u5f0f\u30ac\u30a4\u30c9\u3068spin [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21495,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","book_review_data":"","footnotes":"","ssp_meta_title":"Spine\u306e2\u672cIK\uff5c\u8db3\u306e\u56fa\u5b9a\u3068\u5c4a\u304b\u306a\u3044\u5834\u5408","ssp_meta_description":"Spine\u306e\u73fe\u884c\u624b\u9806\u3092\u3001\u7df4\u7fd2\u5165\u529b\u30fb\u64cd\u4f5c\u30fb\u7d50\u679c\u30fb\u5207\u308a\u5206\u3051\u30fb\u623b\u3057\u65b9\u3067\u78ba\u8a8d\u30024.3\u3068\u4ee5\u524d\u306e\u7248\u3001\u30ed\u30fc\u30ab\u30eb\u691c\u67fb\u3068\u5b9f\u6a5f\u518d\u73fe\u306e\u9055\u3044\u3092\u8aac\u660e\u3057\u307e\u3059\u3002"},"categories":[24],"tags":[],"class_list":["post-21494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spine"],"_links":{"self":[{"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/posts\/21494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/comments?post=21494"}],"version-history":[{"count":2,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/posts\/21494\/revisions"}],"predecessor-version":[{"id":21550,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/posts\/21494\/revisions\/21550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/media\/21495"}],"wp:attachment":[{"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/media?parent=21494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/categories?post=21494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cg-method.com\/3dcg\/wp-json\/wp\/v2\/tags?post=21494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}