{"id":10647,"date":"2026-01-11T18:12:32","date_gmt":"2026-01-11T09:12:32","guid":{"rendered":"https:\/\/toshihiko-kato.com\/tk-3D\/?p=10647"},"modified":"2026-04-14T07:48:30","modified_gmt":"2026-04-13T22:48:30","slug":"humanik-rig","status":"publish","type":"post","link":"https:\/\/toshihiko-kato.com\/tk-3D\/rig-animation\/humanik-rig\/","title":{"rendered":"Human IK \u306e\u57fa\u672c\u3068\u30dd\u30fc\u30b8\u30f3\u30b0\u64cd\u4f5c"},"content":{"rendered":"\n<div aria-hidden=\"true\" class=\"wp-block-fsb-flexible-spacer fsb-flexible-spacer\"><div class=\"fsb-flexible-spacer__device fsb-flexible-spacer__device--lg\" style=\"height:12px\"><\/div><div class=\"fsb-flexible-spacer__device fsb-flexible-spacer__device--md\" style=\"height:6px\"><\/div><div class=\"fsb-flexible-spacer__device fsb-flexible-spacer__device--sm\" style=\"height:2px\"><\/div><\/div>\n\n\n\n<p><strong>\u30af\u30a4\u30c3\u30af\u30ea\u30b0<\/strong>\u3067\u4f5c\u6210\u3057\u305f\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\uff08<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30ea\u30b0<\/strong>\uff09\u306f\u3001<strong>Human IK \u30d1\u30cd\u30eb<\/strong>\u3067\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a2\u30a6\u30c8\u30e9\u30a4\u30ca\u3067\u3082\u53ef\u80fd\u3067\u3059\u304c\u3001Human IK\u30d1\u30cd\u30eb\u3092\u4f7f\u3046\u65b9\u304c<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30ea\u30b0<\/strong>\u3092\u76f4\u89b3\u7684\u306b\u9078\u629e\u3001\u8868\u793a\/\u975e\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IK \u3068 FK<\/h2>\n\n\n\n<p>\u6700\u521d\u306b\u3001\u30ea\u30ae\u30f3\u30b0\u306e\u57fa\u672c\u3068\u3057\u3066[ IK ]\u3068[ FK ]\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IK : Inverse Kinematics<\/h3>\n\n\n\n<p>IK\uff08\u30a4\u30f3\u30d0\u30fc\u30b9 \u30ad\u30cd\u30de\u30c6\u30a3\u30af\u30b9\uff09\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u3001\u4e3b\u306b\u300c\u79fb\u52d5\u30c4\u30fc\u30eb\u300d\u3067\u64cd\u4f5c\u3057\u307e\u3059\u3002\uff08\u300c\u56de\u8ee2\u30c4\u30fc\u30eb\u300d\u3067\u306e\u56de\u8ee2\u64cd\u4f5c\u3082\u53ef\u80fd\u3067\u3059\u3002\uff09<\/p>\n\n\n\n<p>IK \u3092\u8155\u3067\u4f8b\u3048\u308b\u3068\u3001\u624b\u9996\u306eIK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u79fb\u52d5\u3059\u308b\u3053\u3068\u3067\u3001\u4e0a\u8155\uff08\u8155\u306e\u4ed8\u3051\u6839\uff09\u3068\u524d\u8155\uff08\u8098\uff09\u3092\u56de\u8ee2\u3055\u305b\u3066\u30dd\u30fc\u30b8\u30f3\u30b0\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>\u4e0a\u8155 \u3068\u524d\u8155 \u306e\u56de\u8ee2\u306f\u3001\u81ea\u52d5\u7684\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized u-lb-on size_s\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"453\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/052445f0eb8b49c5126a2b090d7c8c6f-1024x453.png\" alt=\"\" class=\"wp-image-10651\" style=\"aspect-ratio:2.2605196245868844;width:630px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/052445f0eb8b49c5126a2b090d7c8c6f-1024x453.png 1024w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/052445f0eb8b49c5126a2b090d7c8c6f-300x133.png 300w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/052445f0eb8b49c5126a2b090d7c8c6f-768x340.png 768w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/052445f0eb8b49c5126a2b090d7c8c6f.png 1290w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:60%\">\n<figure class=\"wp-block-video\"><video height=\"1134\" style=\"aspect-ratio: 892 \/ 1134;\" width=\"892\" controls src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/462e6164381cc1a202d968641827c9f1.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<p>IK\u306f\u3001\u4eba\u5f62\u3067\u4f8b\u3048\u308b\u3068\u300c\u3042\u3084\u3064\u308a\u4eba\u5f62\u300d\u3067\u3059\u3002\u3000\u5148\u7aef\u3092\u52d5\u304b\u3059\u3068\u6839\u5143\u3082\u52d5\u3044\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FK : Forward Kinematics<\/h3>\n\n\n\n<p>FK \uff08\u30d5\u30a9\u30ef\u30fc\u30c9 \u30ad\u30cd\u30de\u30c6\u30a3\u30af\u30b9\uff09\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u3001\u300c\u56de\u8ee2\u30c4\u30fc\u30eb\u300d\u3067\u4f7f\u7528\u3057\u307e\u3059\u3002\u79fb\u52d5\u64cd\u4f5c\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>FK \u3092\u8155\u3067\u4f8b\u3048\u308b\u3068\u3001\u4e0a\u8155\uff08\u8155\u306e\u4ed8\u3051\u6839\uff09\u306eFK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff11\u3092\u56de\u8ee2\u3057\u3001\u6b21\u306b\u305d\u306e\u5148\u306b\u3042\u308b\u524d\u8155\uff08\u8098\uff09\u306eFK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff12\u3092\u56de\u8ee2\u3057\u3066\u30dd\u30fc\u30b8\u30f3\u30b0\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"265\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-1024x265.png\" alt=\"\" class=\"wp-image-10653\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-1024x265.png 1024w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-300x78.png 300w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-768x199.png 768w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-1536x398.png 1536w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3-2048x530.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>FK\u306f\u3001\u4eba\u5f62\u3067\u4f8b\u3048\u308b\u3068\u300c\u7403\u4f53\u95a2\u7bc0\u4eba\u5f62\u300d\u3067\u3059\u3002\u3000\u95a2\u7bc0\u3092\u3072\u3068\u3064\u305a\u3064\u56de\u8ee2\u3057\u3066\u30dd\u30fc\u30b8\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:60%\">\n<figure class=\"wp-block-video\"><video height=\"1134\" style=\"aspect-ratio: 892 \/ 1134;\" width=\"892\" controls src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/32c892e74afce1a10deac294183d5ec3.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">IK\u3068FK\u306e\u9577\u6240\u30fb\u77ed\u6240<\/h3>\n\n\n\n<p>IK \u306f\u3001\u30dd\u30fc\u30b8\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u624b\u6570\u304c\u5c11\u306a\u304f\u3066\u4fbf\u5229\u3067\u3059\u304c\u3001\u672b\u7aef\u306e\u52d5\u304d\u304c\u76f4\u7dda\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u3000\u3053\u308c\u306f\u5b9f\u969b\u306e\u95a2\u7bc0\u306e\u52d5\u304d\u3068\u7570\u306a\u308b\u306e\u3067\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u4e0d\u81ea\u7136\u306b\u898b\u3048\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\uff08\u9759\u6b62\u753b\u3067\u306f\u554f\u984c\u306b\u306a\u308a\u307e\u305b\u3093\u3002\uff09<\/p>\n\n\n\n<p>FK\u306f\u3001\u30dd\u30fc\u30b8\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u56de\u8ee2\u3055\u305b\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u6570\u304c\u5897\u3048\u307e\u3059\u304c\u3001\u672b\u7aef\u306e\u52d5\u304d\u304c\u56de\u8ee2\u904b\u52d5\u306b\u306a\u308b\u305f\u3081\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u5b9f\u969b\u306e\u95a2\u7bc0\u306e\u52d5\u304d\u306b\u8fd1\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-22e152e2-5c9a-49dc-b3d9-396e74820633\">HumanIK\u30a6\u30a3\u30f3\u30c9\u30a6<\/h2>\n\n\n\n<p id=\"block-86545ef6-b682-4e16-85b8-86fd5a93840f\">\u753b\u9762\u53f3\u4e0a\u306e\u56f3\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>Human IK\u30a6\u30a3\u30f3\u30c9\u30a6<\/strong>\u3092\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3000<\/p>\n\n\n\n<p id=\"block-86545ef6-b682-4e16-85b8-86fd5a93840f\">\u30af\u30a4\u30c3\u30af\u30ea\u30b0\u3067\u4f5c\u6210\u3057\u305fIK\/FK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u3001HumanIK\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u8868\u793a\/\u975e\u8868\u793a\u306e\u5207\u308a\u66ff\u3048\u3068\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p id=\"block-86545ef6-b682-4e16-85b8-86fd5a93840f\">HumanIK\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u4e3b\u306a\u540d\u79f0\u306f\u56f3\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-6e7c8a06-1601-41c3-9fc1-8961b1604559\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"731\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-19.46.26.png\" alt=\"\u753b\u50cf\u306b alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u540d: %E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2022-07-23-19.46.26.png\" class=\"wp-image-10715\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-19.46.26.png 555w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-19.46.26-228x300.png 228w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ad\u30e3\u30e9\u30af\u30bf\u3068\u30bd\u30fc\u30b9\u3092\u9078\u3076<\/h4>\n\n\n\n<p id=\"block-dab570ba-11bd-4f00-90ee-11b95120f144\">\u4e0b\u56f3\u306e<strong>\u300c\u30ad\u30e3\u30e9\u30af\u30bf\uff1a\u300d<\/strong>\u3067\u3001\u30af\u30a4\u30c3\u30af\u30ea\u30b0 \u3067\u4f5c\u6210\u3057\u305f<strong>\u30ad\u30e3\u30e9\u30af\u30bf\u540d<\/strong>\u3092\u9078\u3073\u307e\u3059\u3002\u3000\u27a1\ufe0e<strong>\uff08\u30dd\u30ea\u30b4\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u306a\u304f\u3001\u30b9\u30b1\u30eb\u30c8\u30f3\uff08\u9aa8\u683c\uff09\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u3067\u3059\u3002\uff09<\/strong>\u3000\u3000\u3082\u3057\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306f\u3001\u30a2\u30a6\u30c8\u30e9\u30a4\u30ca\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p id=\"block-664f445e-d199-4ba1-8f19-c01afde2adbd\"><strong>\u30bd\u30fc\u30b9\uff1a<\/strong>\u306f\u300c<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30ea\u30b0<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-0bc84a3c-b784-4877-ba96-a352d1be9bf0\"><img loading=\"lazy\" decoding=\"async\" width=\"518\" height=\"151\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.10.59.png\" alt=\"\u753b\u50cf\u306b alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u540d: %E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2022-07-23-20.10.59.png\" class=\"wp-image-10713\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.10.59.png 518w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.10.59-300x87.png 300w\" sizes=\"auto, (max-width: 518px) 100vw, 518px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-1c4dd9eb-976b-4e88-8262-6cdfe2ff5544\"><a href=\"https:\/\/toshihiko-kato.com\/wp-content\/uploads\/2022\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-07-23-20.11.25.png\"><img loading=\"lazy\" decoding=\"async\" width=\"675\" height=\"276\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.11.25.png\" alt=\"\u753b\u50cf\u306b alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u540d: %E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2022-07-23-20.11.25.png\" class=\"wp-image-10714\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.11.25.png 675w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/E382B9E382AFE383AAE383BCE383B3E382B7E383A7E38383E38388-2022-07-23-20.11.25-300x123.png 300w\" sizes=\"auto, (max-width: 675px) 100vw, 675px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Human IK \u30c4\u30fc\u30eb\u30d0\u30fc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8868\u793a\u5207\u308a\u66ff\u3048<\/h3>\n\n\n\n<p>Human IK \u4e0a\u90e8\u306e\u30c4\u30fc\u30eb\u30d0\u30fc\u306e\u5de6\u304b\u3089\uff13\u3064\u306e\u30dc\u30bf\u30f3\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3068\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u8868\u793a\/\u975e\u8868\u793a\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"222\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/e8c8de39352c45ae4ece381ab3f13bcc-1024x222.png\" alt=\"\" class=\"wp-image-10666\" style=\"aspect-ratio:4.612469725765558;width:482px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/e8c8de39352c45ae4ece381ab3f13bcc-1024x222.png 1024w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/e8c8de39352c45ae4ece381ab3f13bcc-300x65.png 300w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/e8c8de39352c45ae4ece381ab3f13bcc-768x166.png 768w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/e8c8de39352c45ae4ece381ab3f13bcc.png 1264w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading .my-inline-img\">IK\u306e\u8868\u793a\/\u975e\u8868\u793a<\/h4>\n\n\n\n<p><sub><img decoding=\"async\" class=\"my-inline-img-60-20px\" style=\"width: 60px;\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/36e3df4fe112b59ef3e076b0b50af64e.png\" alt=\"\"><\/sub>\u30ad\u30e3\u30e9\u30af\u30bf\u306eIK\u30a8\u30d5\u30a7\u30af\u30bf\uff08IK \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u306e\u8868\u793a\/\u975e\u8868\u793a\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30dd\u30fc\u30b8\u30f3\u30b0\u3084\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3067\u306f\u3001\u3053\u306e\u8868\u793a\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br>\u3053\u306eIK\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3092\u79fb\u52d5\u3057\u3066\u30dd\u30fc\u30b8\u30f3\u30b0\u3057\u307e\u3059\u3002<html><br><\/html>\uff08IK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u56de\u8ee2\u3082\u3067\u304d\u307e\u3059\u3002\u624b\u9996\u3092\u66f2\u3052\u308b\u306b\u306f\u624b\u9996\u306eIK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u56de\u8ee2\u3057\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"978\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/IK-Ctrl.png\" alt=\"\" class=\"wp-image-10680\" style=\"aspect-ratio:0.7883414295628036;width:319px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/IK-Ctrl.png 771w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/IK-Ctrl-237x300.png 237w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/IK-Ctrl-768x974.png 768w\" sizes=\"auto, (max-width: 771px) 100vw, 771px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading .my-inline-img\">FK\u306e\u8868\u793a\/\u975e\u8868\u793a<\/h4>\n\n\n\n<p><img decoding=\"async\" class=\"my-inline-img-60-20px\" style=\"width: 60px;\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/5c273485ca2e8dd2a8af7a3c70199025.png\" alt=\"\">\u30ad\u30e3\u30e9\u30af\u30bf\u306eFK\u30a8\u30d5\u30a7\u30af\u30bf\uff08FK \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u306e\u8868\u793a\/\u975e\u8868\u793a\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u56de\u8ee2\u30c4\u30fc\u30eb\u306b\u3088\u308b\u5fae\u8abf\u6574\u3092\u884c\u3046\u3068\u304d\u4ee5\u5916\u306f\u3001IK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u898b\u3065\u3089\u304f\u306a\u308b\u305f\u3081\u96a0\u3057\u3066\u304a\u304f\u65b9\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"980\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/FK-Ctrl.png\" alt=\"\" class=\"wp-image-10684\" style=\"width:326px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/FK-Ctrl.png 775w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/FK-Ctrl-237x300.png 237w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/FK-Ctrl-768x971.png 768w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading .my-inline-img\">\u30b9\u30b1\u30eb\u30c8\u30f3\uff08\u30b8\u30e7\u30a4\u30f3\u30c8\uff09\u306e\u8868\u793a\/\u975e\u8868\u793a<\/h4>\n\n\n\n<p><img decoding=\"async\" class=\"my-inline-img-60-20px\" style=\"width: 60px;\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/7e142cb93869a3535dd46b25a16f4deb.png\" alt=\"\">\u30ad\u30e3\u30e9\u30af\u30bf\u306e\u30b9\u30b1\u30eb\u30c8\u30f3\uff08\u30b8\u30e7\u30a4\u30f3\u30c8+\u30dc\u30fc\u30f3\uff09\u306e\u8868\u793a\/\u975e\u8868\u793a\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30ad\u30f3\u30a6\u30a7\u30a4\u30c8 \u3092\u30da\u30a4\u30f3\u30c8\u8abf\u6574\u3059\u308b\u3068\u304d\u3060\u3051\u8868\u793a\u3057\u307e\u3059\u3002\u3000\u666e\u6bb5\u306f\u96a0\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"779\" height=\"984\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/Joint.png\" alt=\"\" class=\"wp-image-10687\" style=\"width:331px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/Joint.png 779w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/Joint-238x300.png 238w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/Joint-768x970.png 768w\" sizes=\"auto, (max-width: 779px) 100vw, 779px\" \/><\/figure>\n\n\n\n<p id=\"block-eef597ed-bdec-4865-bfa4-5d573aec4d5c\"><strong>\u30af\u30a4\u30c3\u30af\u30ea\u30b0 <\/strong>\u3067\u4f5c\u6210\u3057\u305f\u30b8\u30e7\u30a4\u30f3\u30c8\u304a\u3088\u3073\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30ea\u30b0\u306b\u3064\u3044\u3066\u3001<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u9078\u629e<\/strong>\u3068<strong>\u79fb\u52d5\u30fb\u56de\u8ee2\u306e\u30ea\u30bb\u30c3\u30c8<\/strong>\u3092<strong>Human IK\u30a6\u30a3\u30f3\u30c9\u30a6<\/strong>\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p id=\"block-eef597ed-bdec-4865-bfa4-5d573aec4d5c\">\u305f\u3060\u3057\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e<strong>\u79fb\u52d5\u30fb\u56de\u8ee2<\/strong>\u306e\u64cd\u4f5c\u306f\u3001\u300c\u79fb\u52d5\u30c4\u30fc\u30eb\u300d\u3084\u300c\u56de\u8ee2\u30c4\u30fc\u30eb\u300d\u3092\u4f7f\u3063\u3066<strong>\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8<\/strong>\u307e\u305f\u306f<strong>\u30c1\u30e3\u30cd\u30eb\u30dc\u30c3\u30af\u30b9\u5165\u529b<\/strong>\u3067\u884c\u3044\u307e\u3059\u3002\u3000Human IK \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u53ef\u80fd\u306a\u306e\u306f\u3001<strong>\u9078\u629e\u3068\u30ea\u30bb\u30c3\u30c8\u64cd\u4f5c\u3060\u3051\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p id=\"block-eef597ed-bdec-4865-bfa4-5d573aec4d5c\"><strong>\u30ea\u30bb\u30c3\u30c8\u3068\u306f\u3001\u6700\u521d\u306eT\u30dd\u30fc\u30ba\u306e\u72b6\u614b\u306b\u623b\u3059\u610f\u5473\u3067\u3059\u3002<\/strong>\u3000<\/p>\n\n\n\n<p id=\"block-d4124a67-a015-42aa-a525-93cd6a24aa4d\">\u30b8\u30e7\u30a4\u30f3\u30c8\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066<strong>\u5f8c\u304b\u3089\u8ffd\u52a0\u3057\u305f\u6307\u306e\u30b8\u30e7\u30a4\u30f3\u30c8<\/strong>\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3067\u306f\u306a\u304f\u3001<strong>\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8<a href=\"https:\/\/toshihiko-kato.com\/?p=4795\">\u300c\u30b8\u30e7\u30a4\u30f3\u30c8\u30c4\u30fc\u30eb\u300d\u306b\u3088\u308b\u30ea\u30b0\u306e\u8ffd\u52a0<\/a><\/strong>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u64cd\u4f5c\u30e2\u30fc\u30c9<\/h3>\n\n\n\n<p>Human IK \u30c4\u30fc\u30eb\u30d0\u30fc\u306e\u56f3\u306e\uff13\u3064\u306e\u30dc\u30bf\u30f3\u3067\u300c\u64cd\u4f5c\u30e2\u30fc\u30c9\u300d\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"156\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/fc46bf55067e2acbc8f29f0b8358df5a-1024x156.png\" alt=\"\" class=\"wp-image-10694\" style=\"aspect-ratio:6.563944375719811;width:545px;height:auto\" srcset=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/fc46bf55067e2acbc8f29f0b8358df5a-1024x156.png 1024w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/fc46bf55067e2acbc8f29f0b8358df5a-300x46.png 300w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/fc46bf55067e2acbc8f29f0b8358df5a-768x117.png 768w, https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/fc46bf55067e2acbc8f29f0b8358df5a.png 1188w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u4e00\u822c\u7684\u306b\u306f\u771f\u3093\u4e2d\u306e\u300c\u30dc\u30c7\u30a3 \u30d1\u30fc\u30c4\u300d\u30e2\u30fc\u30c9\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" class=\"my-inline-img-60-20px\" style=\"width: 60px;\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/607979115efe2319fd8feab0db54b69d.png\" alt=\"\">\u30d5\u30eb\u30dc\u30c7\u30a3 \u30e2\u30fc\u30c9<\/p>\n\n\n\n<p>IK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5f71\u97ff\u304c\u30dc\u30c7\u30a3\u5168\u4f53\u306b\u304a\u3088\u3076\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u30ea\u30d7\u30ea\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u5168\u4f53\u304c\u767d\u304f\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u3001\u9078\u629e\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5f71\u97ff\u304c\u8996\u899a\u5316\u3055\u308c\u307e\u3059\u3002<html><br><\/html>\u56f3\u306e\u3088\u3046\u306b\u624b\u9996\u306eIK\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u5f15\u3063\u5f35\u308b\u3068\u30dc\u30c7\u30a3\u5168\u4f53\u304c\u5f71\u97ff\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"795\" src=\"https:\/\/toshihiko-kato.com\/tk-3D\/wp-content\/uploads\/2026\/01\/18b69a01bde7a63900580099207e48f0.png\" alt=\"\" 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