{"id":10923,"date":"2026-02-12T18:28:48","date_gmt":"2026-02-12T09:28:48","guid":{"rendered":"https:\/\/toshihiko-kato.com\/tk-3D\/?p=10923"},"modified":"2026-04-07T15:48:52","modified_gmt":"2026-04-07T06:48:52","slug":"nhairdynamics-2","status":"publish","type":"post","link":"https:\/\/toshihiko-kato.com\/tk-3D\/simulation-effects\/nhairdynamics-2\/","title":{"rendered":"Maya nHair\u3067\u9aea\u3092\u63fa\u3089\u3059 – 2"},"content":{"rendered":"\n

\u524d\u56de\u306e\u300cMaya nHair\u3067\u9aea\u3092\u63fa\u3089\u3059-1\u300d<\/strong><\/a>\u3067\u3001nHair<\/strong>\u306e\u30c0\u30a4\u30ca\u30df\u30af\u30b9<\/strong>\u3092\u4f7f\u3063\u305f\u30dd\u30ea\u30b4\u30f3\u30e1\u30c3\u30b7\u30e5\u306e\u9aea\u3092\u63fa\u3089\u3059\u305f\u3081\u306e\u57fa\u672c\u64cd\u4f5c\u3092\u63b2\u8f09\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u5b9f\u969b\u306b\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u304d\u306e\u64cd\u4f5c\u3068\u7559\u610f\u70b9\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d8\u30a2\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u6210<\/h2>\n\n\n\n
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\u3053\u306e\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u3067\u306f\u3001hairSystem<\/strong>\u3092\u77ed\u3081\u306e\u524d\u9aea\u30b0\u30eb\u30fc\u30d7<\/strong>\u3068\u9577\u3081\u306e\u30b5\u30a4\u30c9\u30fb\u30d0\u30c3\u30af\u306e\u9aea\u30b0\u30eb\u30fc\u30d7<\/strong>\u306e2\u3064<\/strong>\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002
<\/html>\u3057\u305f\u304c\u3063\u3066\u3001\u9aea\u30e1\u30c3\u30b7\u30e5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30822\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
$\"\"$ <\/figure>\n\n\n\n
\u9aea \u30dd\u30ea\u30b4\u30f3 \u30e1\u30c3\u30b7\u30e5 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/h3>\n\n\n\n
\u524d\u9aea[F]\u30b0\u30eb\u30fc\u30d7<\/strong>\u306f4\u500b<\/strong>\u3001\u30b5\u30a4\u30c9\u3068\u30d0\u30c3\u30af[SB]\u30b0\u30eb\u30fc\u30d7<\/strong>\u306f\uff18\u500b<\/strong>\u3001\u5408\u8a0812\u500b<\/strong>\u306e\u9aea\u30dd\u30ea\u30b4\u30f3\u30e1\u30c3\u30b7\u30e5\u3067\u30b7\u30e7\u30fc\u30c8\u30d8\u30a2\u3092\u3059\u3067\u306b\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u9aea\u306e\u30b8\u30e7\u30a4\u30f3\u30c8<\/h3>\n\n\n\n
\u9aea\u306e\u30b8\u30e7\u30a4\u30f3\u30c8\u3082\u30e1\u30c3\u30b7\u30e5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u540c\u3058\u304f\u9577\u3055\u306e\u9055\u3044\u306b\u3088\u308a\u3001\u524d\u9aea<\/strong>\u3068\u30b5\u30a4\u30c9\u3068\u30d0\u30c3\u30af<\/strong>\u306e2\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u3001\u305d\u308c\u305e\u308c\u3059\u3067\u306b\u30b9\u30ad\u30f3\u30d0\u30a4\u30f3\u30c9\u3057\u3066\u3044\u307e\u3059\u3002
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\u30ab\u30fc\u30d6\u4f5c\u6210\u3068\u30b0\u30eb\u30fc\u30d7\u5316<\/h3>\n\n\n\n
\u524d\u56de\u540c\u69d8\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u306b\u30b9\u30ca\u30c3\u30d7\u3057\u306a\u304c\u3089EP\u30ab\u30fc\u30d6<\/strong>\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6570\u304c\u591a\u3044\u306e\u3067\u4f5c\u6210\u3057\u305f\u30ab\u30fc\u30d6\u306f\u3084\u306f\u308a\u30b0\u30eb\u30fc\u30d7\u5316<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002
<\/html>\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u5f8c\u3067\u982d(Head)\u30b8\u30e7\u30a4\u30f3\u30c8\u304b\u3089\u30da\u30a2\u30ec\u30f3\u30c8 \u30b3\u30f3\u30b9\u30c8\u30ec\u30a4\u30f3\u3067\u63a5\u7d9a<\/strong>\u3059\u308b\u64cd\u4f5c\u3092\u307e\u3068\u3081\u3066\u6e08\u307e\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
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<\/html>\u524d\u56de\u306e\u30ab\u30fc\u30d6\u4f5c\u6210\u306e\u8aac\u660e\u52d5\u753b\u306f\u4e0b\u8a18\u30ea\u30f3\u30af\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n
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\n\t\t\t\t\t\u30ab\u30fc\u30d6\u3092\u4f5c\u6210<\/span>\n\t\t\t\t\t
$\"\"$ <\/figure><\/div>\t\t\t\t\t
\n\t\t\t\t\t\t\u30ab\u30fc\u30d6\u3092\u4f5c\u6210\uff1a\u3000\u30b8\u30e7\u30a4\u30f3\u30c8\u306b\u9802\u70b9\u30b9\u30ca\u30c3\u30d7\u3055\u305b\u306a\u304c\u3089EP\u30ab\u30fc\u30d6\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n
\uff12\u3064\u306enHair\u30c0\u30a4\u30ca\u30df\u30af\u30b9<\/h3>\n\n\n\n
\u524d\u9aea\u306e\u30ab\u30fc\u30d6\u3001\u30b5\u30a4\u30c9\u30fb\u30d0\u30c3\u30af \u30d8\u30a2\u306e\u30ab\u30fc\u30d6\u3001\u305d\u308c\u305e\u308c\u5225\u3005\u306bnHair\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u3092\u3064\u304f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
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<\/html>\u30b5\u30a4\u30c9\u30fb\u30d0\u30c3\u30af\u7528\u3082\u30b5\u30a4\u30c9\u30fb\u30d0\u30c3\u30af\u306e\u30ab\u30fc\u30d6\u3059\u3079\u3066\u3092\u9078\u629e\u3057\u3066\u304b\u3089\u3001\u300cFx \u30e1\u30cb\u30e5\u30fc<\/strong>\u300d\u306e [ nHair<\/strong> > \u30ab\u30fc\u30d6\u3092\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306b <\/strong>]\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u306e\u52d5\u753b\u3067\uff12\u3064\u306enHair\u30c0\u30a4\u30ca\u30df\u30af\u30b9[hairSystem]<\/strong>\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
follicleShape\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n
\u300c\u30ab\u30fc\u30d6\u3092\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306b\u3059\u308b\u300d<\/strong>\u524d\u306b\u30ab\u30fc\u30d6\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u3044\u308c\u3070\u3001follicle\uff08\u6bdb\u6839\uff09<\/strong><\/strong>\u306f\u3001\u30a2\u30a6\u30c8\u30e9\u30a4\u30ca\u3067\u30b0\u30eb\u30fc\u30d7\u306b\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u3000\u30ab\u30fc\u30d6<\/strong>\u306e\u30b0\u30eb\u30fc\u30d7<\/strong>\u3092\u5c55\u958b\u3059\u308b\u3068\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002
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$\"\"$ <\/figure>\n\n\n\n
follicle<\/strong>\u3092\u9078\u629e\u3057\u3001follicleShape\u30ce\u30fc\u30c9<\/strong>\u3067\u524d\u56de\u540c\u69d8\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3000
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$\"\"$ <\/figure>\n\n\n\n\t\t\t
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$\"\"$ <\/figure><\/div>\t\t\t\t\t
\n\t\t\t\t\t\t…follicle\uff08\u6bdb\u6839\uff09\u306f\u3001curve (\u51fa\u529b\u30ab\u30fc\u30d6)\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u30ce\u30fc\u30c9\u3067\u3059\u3002<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n
IK\u30b9\u30d7\u30e9\u30a4\u30f3\u30cf\u30f3\u30c9\u30eb\u306e\u4f5c\u6210<\/h3>\n\n\n\n
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$\"\"$ <\/figure><\/div>\t\t\t\t\t
\n\t\t\t\t\t\t \u300cIK\u30b9\u30d7\u30e9\u30a4\u30f3\u30cf\u30f3\u30c9\u30eb\u306e\u4f5c\u6210\u300d\u3092\u5229\u7528\u3057\u3001\u51fa\u529b\u3055\u308c\u308b\u30ab\u30fc\u30d6hairSystem OutputCurve\u3067\u30d8\u30a2\u30b8\u30e7\u30a4\u30f3\u30c8\u3092\u52d5\u304b\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n
\u30a2\u30a6\u30c8\u30e9\u30a4\u30ca\u306e\u6574\u7406<\/h4>\n\n\n\n
\u300cIK\u30b9\u30d7\u30e9\u30a4\u30f3\u30cf\u30f3\u30c9\u30eb\u306e\u4f5c\u6210\u300d<\/strong>\u64cd\u4f5c\u306e\u30df\u30b9\u3092\u591a\u5c11\u3067\u3082\u9632\u3050\u305f\u3081\u306b\u3001\uff12\u3064\u306ehairSystem<\/strong>\u30682\u3064\u306ehairSystemOutputCurves<\/strong>\u3092\u305d\u308c\u305e\u308c\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u914d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u7279\u306b[ hairSystemOutputCurves <\/strong>]\u306e\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u3068\u540c\u6642\u306b\u9078\u629e\u3059\u308b\u306e\u3067\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u30b0\u30eb\u30fc\u30d7\u306e\u3059\u3050\u4e0b\u306b\u914d\u7f6e<\/strong>\u3057\u3066\u304a\u304f\u3068\u9078\u629e\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
$\"\"$ <\/figure>\n\n\n\n
\u30b7\u30a7\u30eb\u30d5\u306b\u767b\u9332<\/h4>\n\n\n\n
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$\"\"$ <\/figure>\n\n\n\n
IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb\u3092\u4f5c\u6210<\/h4>\n\n\n\n
\u6b21\u306e\u52d5\u753b\u3067\u3059\u3079\u3066\u306eIK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb<\/strong> \u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002
<\/html>\u3084\u308b\u3053\u3068\u306f\u3001\u2460IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb \u30c4\u30fc\u30eb<\/strong>\u3092\u9078\u629e\u3001\u2461\u6839\u672c\u30b8\u30e7\u30a4\u30f3\u30c8<\/strong> \u2192 \u672b\u7aef\u30b8\u30e7\u30a4\u30f3\u30c8<\/strong> \u2192 hairSystemOutputCurves<\/strong>\u306e[curve]<\/strong> \u306e\u9806\u3067\u9078\u629e\u3059\u308b\u3060\u3051\u3067\u3059\u304c\u3001\u7e70\u308a\u8fd4\u3057\u4f5c\u696d\u304c\u591a\u3044\u306e\u3067\u30b8\u30e7\u30a4\u30f3\u30c8\u3068\u5bfe\u5fdc\u3059\u308b\u30ab\u30fc\u30d6\u3092\u9593\u9055\u3048\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb\u3092\u6574\u7406<\/h4>\n\n\n\n
IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb\u30822\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb\u3092\u6574\u7406<\/h4>\n\n\n\n
IK\u30b9\u30d7\u30e9\u30a4\u30f3 \u30cf\u30f3\u30c9\u30eb\u30822\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u753b\uff08\u30b7\u30e7\u30fc\u30c8 \u30d8\u30a2\uff09<\/h4>\n\n\n\n

\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3 \u52d5\u753b\uff08\u30bb\u30df \u30ed\u30f3\u30b0 \u30d8\u30a2\uff09<\/h4>\n\n\n\n