Javascript 三个JS xhr无穷大已加载%
我目前正在与ThreeJS合作,我承认我是一个新手。我可以在其中创建自己的模型(基本模型),但在加载外部gltf文件时遇到问题。我在一个React项目中使用这个 我加载模型的代码如下:Javascript 三个JS xhr无穷大已加载%,javascript,reactjs,three.js,Javascript,Reactjs,Three.js,我目前正在与ThreeJS合作,我承认我是一个新手。我可以在其中创建自己的模型(基本模型),但在加载外部gltf文件时遇到问题。我在一个React项目中使用这个 我加载模型的代码如下: componentDidMount() { let scene = new THREE.Scene(); scene.background = new THREE.Color(0xdddddd); let camera = new THREE.PerspectiveCamera( 45,
componentDidMount() {
let scene = new THREE.Scene();
scene.background = new THREE.Color(0xdddddd);
let camera = new THREE.PerspectiveCamera(
45,
window.innerWidth / window.innerHeight,
1,
500
);
camera.position.set(1, 1, 20);
let renderer = new THREE.WebGLRenderer({ alpha: false });
renderer.setSize(500, 500);
document.getElementById("three-canvas").appendChild(renderer.domElement);
// Load Light
let ambientLight = new THREE.AmbientLight(0xcccccc);
scene.add(ambientLight);
let directionalLight = new THREE.DirectionalLight(0xffffff);
directionalLight.position.set(0, 1, 1).normalize();
scene.add(directionalLight);
camera.position.z = 5;
camera.lookAt(new THREE.Vector3(0, 0, 0));
let loader = new GLTFLoader();
loader.load(
"./assets/scene.gltf",
(gltf) => {
scene.add(gltf.scene);
},
// called while loading is progressing
function (xhr) {
console.log((xhr.loaded / xhr.total) * 100 + "% loaded");
console.log(xhr.loaded, xhr.total);
console.log(xhr);
},
// called when loading has errors
function (error) {
console.log("An error happened", error);
}
);
let animate = function () {
requestAnimationFrame(animate);
render();
};
function render() {
renderer.render(scene, camera);
}
animate();
}
render() {
return (
<div className="App">
<div id="three-canvas"></div>
</div>
);
}
我还得到:
164814 0
对应于:
console.log(xhr.loaded, xhr.total);
这告诉我总数是0,但我不确定这意味着什么
我会注意到,如果我将我的gltf文件切换到公共目录,则会发生一个全新的错误,在控制台中我会得到以下信息:
An error happened SyntaxError: Unexpected token < in JSON at position 0
at JSON.parse (<anonymous>)
at GLTFLoader.parse (GLTFLoader.js:214)
at Object.onLoad (GLTFLoader.js:146)
at XMLHttpRequest.<anonymous> (three.module.js:36370)
在位置0的JSON中发生错误SyntaxError:Unexpected token<
在JSON.parse(
有些东西告诉我,要么:
1) 我的灯光可能已关闭,因此无法正确显示图片
2) 文件加载不正确,因此xhr.total的值为0
任何帮助都将不胜感激。谢谢大家!
An error happened SyntaxError: Unexpected token < in JSON at position 0
at JSON.parse (<anonymous>)
at GLTFLoader.parse (GLTFLoader.js:214)
at Object.onLoad (GLTFLoader.js:146)
at XMLHttpRequest.<anonymous> (three.module.js:36370)