Three.js: camera.position์„ Vector3์œผ๋กœ ์„ค์ •ํ•  ๋•Œ ๋ฌธ์ œ

์— ๋งŒ๋“  2017๋…„ 05์›” 21์ผ  ยท  2์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: mrdoob/three.js

๋ฌธ์ œ์— ๋Œ€ํ•œ ์„ค๋ช…

PerspectiveCamera์˜ ์œ„์น˜๋ฅผ โ€‹โ€‹THREE.Vector3๋กœ ์„ค์ •ํ•˜๋ฉด ์•„๋ฌด๊ฒƒ๋„ ํ‘œ์‹œ๋˜์ง€ ์•Š์ง€๋งŒ ๊ฐ’์„ ์ง์ ‘ ์„ค์ •ํ•˜๋ฉด ์ œ๋Œ€๋กœ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

camera.position.set( 0, 0, 0 );

์ž‘๋™ํ•˜์ง€๋งŒ

var newVector = new THREE.Vector3(0, 0, 0)
camera.position.set(newVector);

ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด ๋ฒ„๊ทธ์ธ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

๋‹ค์Œ ๋‘ JSFiddle์„ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
L8-10 : https://jsfiddle.net/4zqkn7yw/5/
L9 : https://jsfiddle.net/4zqkn7yw/4/

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Question

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

Object3D ์˜ position , rotation , quaternion ๋ฐ scale ์†์„ฑ์€ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

๋‹ค์Œ ํŒจํ„ด์€ ์œ ํšจํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

object.position = vector;

๋Œ€์‹  ๋‹ค์Œ ์ค‘ ํ•˜๋‚˜๋ฅผ ์‚ฌ์šฉํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

object.position.set( x, y, z );

๋˜๋Š”

object.position.copy( vector );

Object3D.js ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.

๋ชจ๋“  2 ๋Œ“๊ธ€

๊ทธ๊ฒƒ์€ ๋ฒ„๊ทธ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค. ์ด ์‹œ๋„:

var newVector = new THREE.Vector3( 0, 0, 0 )
camera.position.copy( newVector );

API๋ฅผ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด Vector3 ์˜ ๋ฌธ์„œ๋ฅผ ์‚ดํŽด๋ณด์‹ญ์‹œ์˜ค.

Object3D ์˜ position , rotation , quaternion ๋ฐ scale ์†์„ฑ์€ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

๋‹ค์Œ ํŒจํ„ด์€ ์œ ํšจํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

object.position = vector;

๋Œ€์‹  ๋‹ค์Œ ์ค‘ ํ•˜๋‚˜๋ฅผ ์‚ฌ์šฉํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

object.position.set( x, y, z );

๋˜๋Š”

object.position.copy( vector );

Object3D.js ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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