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export.js
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export.js
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self.addEventListener('message', function(e) {
importScripts('build/three.js', 'js/loaders/GLTFLoader.js', 'js/loaders/DRACOLoader.js', 'js/libs/draco/draco_decoder.js');
console.log("webwork")
var dbname = "model"
loadgltf(new THREE.Scene())
}, false);
function loadgltf(scene) {
var onProgress = function(xhr) {
if (xhr.lengthComputable) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log(Math.round(percentComplete, 2) + '% downloaded');
}
};
var gltfloader = new THREE.GLTFLoader()
gltfloader.setDRACOLoader(new THREE.DRACOLoader());
gltfloader.load('luyu2.gltf', function(gltf) {
console.log('webwork gltfloader')
var object = gltf.scene
var objBbox = new THREE.Box3().setFromObject(gltf.scene);
var bboxCenter = objBbox.getCenter().clone();
bboxCenter.multiplyScalar(-1);
object.traverse(function(child) { //转换成threejs对象
if (child instanceof THREE.Mesh) {
child.geometry.translate(bboxCenter.x, bboxCenter.y, bboxCenter.z);
}
});
objBbox.setFromObject(object); // Update the bounding box
scene.add(object);
console.log(scene)
console.log('webwork send scene')
self.postMessage(JSON.stringify(scene.toJSON()))
}, onProgress);
}