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Armature in Blender

Armature๋Š” Blender์—์„œ ์• ๋‹ˆ๋ฉ”์ดํ„ฐ๊ฐ€ ์บ๋ฆญํ„ฐ๋ฅผ ์• ๋‹ˆ๋ฉ”์ดํŒ…ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•˜๋Š” ํŠน์ˆ˜ํ•œ ์˜ค๋ธŒ์ ํŠธ ํƒ€์ž…์ž…๋‹ˆ๋‹ค.

Blender ๊ณต์‹ ๋งค๋‰ด์–ผ์—์„œ Armature๋Š” ๊ณจ๊ฒฉ(้ชจๆ ผ, skeleton) ๋ผˆ๋Œ€์ž…๋‹ˆ๋‹ค.

ํ•˜๋‚˜์˜ Armature๋Š” ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ผˆ(bone)๋กœ ๊ตฌ์„ฑ๋˜๊ณ , ๊ฐ ๋ผˆ๋Š” ์„œ๋กœ ์—ฐ๊ฒฐ๋˜๊ฑฐ๋‚˜ ์—ฐ๊ด€๋˜์–ด ์œ ์‚ฌํ•œ ๋ฐฉ์‹์œผ๋กœ ์›€์ง์ด๊ฑฐ๋‚˜ ๋ณ€ํ˜•๋ฉ๋‹ˆ๋‹ค.

Armature๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ผˆ(bone)์œผ๋กœ ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค.

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๋ธ”๋ Œ๋”์—์„œ Armature๋Š” ์บ๋ฆญํ„ฐ ์• ๋‹ˆ๋ฉ”์ด์…˜์„ ์œ„ํ•œ ์ค‘์š”ํ•œ ๊ตฌ์„ฑ ์š”์†Œ๋กœ, ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ผˆ๋Œ€(Bone)๋กœ ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค. ๊ฐ ๋ผˆ๋Œ€๋Š” ์—ฐ๊ฒฐ๋˜์–ด ์บ๋ฆญํ„ฐ์˜ ์›€์ง์ž„๊ณผ ๋ณ€ํ˜•์„ ์ œ์–ดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค

Weight Painting

Weight Paint Mode์—์„œ ๊ฐ ์ •์ ์ด ํŠน์ • ๋ผˆ๋Œ€์— ์˜ํ•ด ์–ผ๋งˆ๋‚˜ ์˜ํ–ฅ์„ ๋ฐ›๋Š”์ง€๋ฅผ ์ƒ‰์ƒ์œผ๋กœ ํ‘œ์‹œํ•ฉ๋‹ˆ๋‹ค.

์ด ์ƒ‰์ƒ์€ ํŒŒ๋ž€์ƒ‰์—์„œ ๋นจ๊ฐ„์ƒ‰๊นŒ์ง€ ๋‹ค์–‘ํ•˜๋ฉฐ, ํŒŒ๋ž€์ƒ‰์€ 0์˜ weight ๊ฐ’์„ ๊ฐ€์ง€๋ฉฐ, ๋นจ๊ฐ„์ƒ‰์€ ์ตœ๋Œ€ weight ๊ฐ’์„ ๊ฐ€์ง‘๋‹ˆ๋‹ค.

Weight Paint Mode๋กœ ๋“ค์–ด๊ฐ€๋ฉด Mesh๊ฐ€ ํŒŒ๋ž€์ƒ‰์œผ๋กœ ๋ณ€ํ•˜๋Š” ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

0์˜ Weight๊ฐ’์„ ๊ฐ€์ง€๋Š” ์ •์ ์€ ์ด์ฒ˜๋Ÿผ ํŒŒ๋ž€์ƒ‰์œผ๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.๏ปฟ

์„ ํƒ๋œ Bone์— ๋Œ€ํ•œ Weight๋ฅผ ์•„๋ž˜์™€ ๊ฐ™์ด ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • Bone์ด ์„ ํƒ๋˜๋ฉด Bone ๊ฒ‰์ด ํ•˜๋Š˜์ƒ‰์œผ๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.

    Wireframe Mode & Weight Paint Mode

    • ์˜ˆ์‹œ์—์„  Vertex Groups์—์„œ ๊ฐ Bone์— ๋Œ€ํ•œ ์ด๋ฆ„์„ Top, Mid, Bot์œผ๋กœ ์ง€์–ด์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค.
    • ๊ฐ Bone๋งˆ๋‹ค Vertex Groups์ด ์ƒ์„ฑ๋จ์„ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

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    Object Mode & Weight Paint Mode

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์บ๋ฆญํ„ฐ Rig์—์„œ ์˜ˆ์ œ์—์„œ๋„ ์ž์„ธํžˆ ๋ณด์‹œ๋ฉด ์–‡์€ Bone์ด ์„ ํƒ๋˜์–ด Bone ๊ฒ‰์ด ํ•˜๋Š˜์ƒ‰์œผ๋กœ ๋œ ์ƒํƒœ๊ณ , ํ—ˆ๋ฒ…์ง€ ์ฃผ๋ณ€์—์„œ Weights๊ฐ€ 1์— ๊ฐ€๊นŒ์›Œ ๋นจ๊ฐ›๊ฒŒ ๋‚˜ํƒ€๋‚˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

  • ์ฆ‰, ์„ ํƒ๋œ ํ—ˆ๋ฒ…์ง€ ์‚ฌ์ด์˜ Bone์„ ์›€์ง์ผ ๋•Œ, ํ—ˆ๋ฒ…์ง€ ์ฃผ๋ณ€์˜ vertex groups์ด ๊ฐ™์ด ์œ ๊ธฐ์ ์œผ๋กœ ์›€์ง์ด๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

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Reference

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