Scene

Scene

3D ์˜ค๋ธŒ์ ํŠธ๋“ค์ด ๋ฐฐ์น˜๋˜๊ณ  ๋ Œ๋”๋ง๋˜๋Š” ๊ณต๊ฐ„

Mesh

๋ชจ๋“  ์˜ค๋ธŒ์ ํŠธ๋“ค์€ ์‚ผ๊ฐํ˜• ๋ชจ์–‘์˜ mesh๋กœ ๊ตฌ์„ฑ๋˜์–ด์žˆ๋‹ค.

mesh๋Š” geometry์™€ material๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค.

  • Geometry์™€ Material์€ Scene์— ๊ฐœ๋ณ„์ ์œผ๋กœ ์ง์ ‘ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์—†์œผ๋ฉฐ, ๋ฐ˜๋“œ์‹œ ์ด ๋‘˜์„ ์กฐํ•ฉํ•˜์—ฌ Mesh๋ผ๋Š” ๊ฐœ์ฒด๋กœ ๋งŒ๋“  ํ›„์— Scene์— ํฌํ•จ์‹œ์ผœ์•ผ ํ•œ๋‹ค.

Geometry๋Š” ๋ชจ์–‘์„ ์ •์˜ํ•˜๋Š” ์—ญํ• ์„ ํ•˜๋ฉฐ, ์ด๋ฅผ ์›น์—์„œ ๋น„์œ ํ•˜์ž๋ฉด HTML๊ณผ ์œ ์‚ฌํ•˜๋‹ค. ๋ฐ˜๋ฉด Material์€ ๋ชจ์–‘์— ๋Œ€ํ•œ ์Šคํƒ€์ผ๊ณผ ์†์„ฑ์„ ์ œ์–ดํ•˜๋Š”๋ฐ, ์ด๋Š” CSS์™€ ์œ ์‚ฌํ•˜๋‹ค.

Geometry

Mesh์˜ ํ˜•ํƒœ๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” ๊ฒƒ

  • ๋ฉด์„ ์ด๋ฃจ๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ตœ์†Œํ•œ 3๊ฐœ์˜ ์ ์ด ํ•„์š”ํ•˜๋‹ค.

  • 3๊ฐœ์˜ ์ ์œผ๋กœ ์ด๋ฃจ์–ด์ง„ ๋ฉด(์‚ผ๊ฐํ˜•)์„ ํ†ตํ•ด ๋‹ค์–‘ํ•œ ํ˜•ํƒœ์˜ geometry๋ฅผ ๊ตฌ์„ฑํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค.

  • Mesh๋Š” ์—ฌ๋Ÿฌ ์‚ผ๊ฐํ˜•(์„ธ๊ทธ๋จผํŠธ)๋กœ ์ด๋ฃจ์–ด์ง€๊ฒŒ ๋˜๋Š”๋ฐ, ์ด ๊ฐฏ์ˆ˜๋ฅผ ์ตœ์†Œํ™”ํ•˜๋Š” ๊ฒƒ์€ ๋ Œ๋”๋ง์„ ํšจ์œจ์ ์œผ๋กœ ์ตœ์ ํ™”ํ•˜๋Š” ํ•ต์‹ฌ์ด ๋œ๋‹ค. (์›น ํŽ˜์ด์ง€์˜ ๋น ๋ฅธ ๋กœ๋”ฉ์„ ์œ„ํ•ด์„œ๋Š” ํŒŒ์ผ ์šฉ๋Ÿ‰์„ ์ตœ์†Œํ™”ํ•˜๋Š” ๊ฒƒ์ด ์ค‘์š”)

  • three.js์—์„œ ๋ชจ๋“  ์œ ํ˜•์˜ geometry๋Š” bufferGeometry ๋ฅผ ์ƒ์† ๋ฐ›๋Š”๋‹ค.

bufferGeometry๋ž€ ์‚ผ๊ฐํ˜•์„ ๋งŒ๋“œ๋Š” ์ฝ”๋“œ

Wireframe

Mesh์˜ Segment๋ฅผ ํ‘œ์‹œํ•ด์ฃผ๋Š” ์˜ต์…˜, ๋ชจ๋ธ์˜ ๊ตฌ์กฐ๋ฅผ ์‹œ๊ฐ์ ์œผ๋กœ ํ™•์ธํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•œ๋‹ค.

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