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kihyun lee
CG Tutorial
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8ec4142c
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kihyun lee
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# Final Project - CG
2022년도 1학기 F013-1, 아주대학교
201820798 이기현
## Cube Texture mapping basic
>THREE.BoxGeometry는 각 면에 대해 다른 텍스쳐 맵핑을 지정할 수 있습니다.
const loader = new THREE.TextureLoader();
const materials = [
new THREE.MeshBasicMaterial({ map: loader.load("flower-1.jpg") }),
new THREE.MeshBasicMaterial({ map: loader.load("flower-2.jpg") }),
new THREE.MeshBasicMaterial({ map: loader.load("flower-3.jpg") }),
new THREE.MeshBasicMaterial({ map: loader.load("flower-4.jpg") }),
new THREE.MeshBasicMaterial({ map: loader.load("flower-5.jpg") }),
new THREE.MeshBasicMaterial({ map: loader.load("flower-6.jpg") }),
];
>이와 같이 박스에 텍스쳐를 입히려면 사진을 Loader에 넣어서 매핑할 수 있습니다.
>그리고 더 나아가 주변 환경이 비치도록 Reflection 을 이용할 수도 있습니다.
const path = 'https://raw.githubusercontent.com/tamani-coding/threejs-texture-maps/main/dist/Metal_Tiles_003_';
const urls = [
path+'ambientOcclusion.jpg', path+'basecolor.jpg',
path+'metallic.jpg', path+'metallic.jpg',
path+'normal.jpg', path+'roughness.jpg'
];
const reflectionCube = new THREE.CubeTextureLoader().load( urls );
scene.background = reflectionCube;
const material1 = new THREE.MeshPhongMaterial(
{ color: 0x00ffff, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.5 } );
const material2 = new THREE.MeshLambertMaterial(
{ color: 0xffffff, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.5 } );
const material3 = new THREE.MeshLambertMaterial(
{ color: 0xffff00, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.5 } );
> 여기서 반사가 얼마나 되는지 조절하려면 reflectivity를 수정하면 됩니다.
> envMap를 reflectionCube로 설정했기에 반사를 활용할 수 있습니다.
## 느낀점
Html과 js가 익숙치 않아서 기말고사 끝나고 하려니 정말 어려워서 진전없는 시간이 많이 반복되었습니다. 그래서 제대로 된 결과물을 내지 못하여 너무 아쉬움이 많이 남습니다. 그래픽스를 배우면서 흥미로운 부분이 정말 많았고, 그만큼 어려웠던것 같습니다.
> 3d 이미지 출처 : https://3dtextures.me
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