Created
May 26, 2021 14:03
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Load json model in point/normal/uv format and export as .GLB
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import * as THREE from 'https:/threejs.org/build/three.module.js' | |
import {GLTFExporter} from 'https:/threejs.org/examples/jsm/exporters/GLTFExporter.js' | |
fetch('./map.json').then(data=>data.json().then((js)=>{ | |
console.log(js) | |
let g = new THREE.PlaneGeometry(1,1) | |
g.attributes.normal.array=new Float32Array(js.normal.length) | |
g.attributes.normal.array.set(js.normal) | |
g.attributes.normal.count = g.attributes.normal.array.length/3; | |
g.attributes.position.array=new Float32Array(js.position.length) | |
g.attributes.position.array.set(js.position) | |
g.attributes.position.count = g.attributes.position.array.length/3; | |
g.attributes.uv.array=new Float32Array(js.uv.length) | |
g.attributes.uv.array.set(js.uv) | |
g.attributes.uv.count = g.attributes.uv.array.length/2; | |
g.setIndex(null) | |
g.computeBoundingBox(); | |
//let m = new THREE.Points(g,new THREE.PointsMaterial({color:'red'})); | |
let m = new THREE.Mesh(g,new THREE.MeshStandardMaterial({color:'grey',side:THREE.DoubleSide,roughness:.8,metalness:0})); | |
m.scale.multiplyScalar(10) | |
//m.layers.enable(1) | |
scene.add(m) | |
let exporter = new GLTFExporter() | |
exporter.parse( m, function ( gltf ) { | |
console.log( gltf ); | |
const link = document.createElement( 'a' ); | |
link.style.display = 'none'; | |
document.body.appendChild( link ); | |
const blob = new Blob( [ gltf ], { type: 'text/plain' } ); | |
const objectURL = URL.createObjectURL( blob ); | |
link.href = objectURL; | |
link.href = URL.createObjectURL( blob ); | |
link.download = 'data.glb'; | |
link.click(); | |
}, {binary:true} ); | |
})) |
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