// 初始化3D场景，先放一个立方体，确认3D能跑
function init3D() {
scene = new THREE.Scene();
scene.background = new THREE.Color(0x222222);
camera = new THREE.PerspectiveCamera(
60, window.innerWidth / window.innerHeight, 0.1, 1000
);
camera.position.set(0, 1.7, 3);
renderer = new THREE.WebGLRenderer({ antialias:true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('container').appendChild(renderer.domElement);
// 灯光
const ambient = new THREE.AmbientLight(0xffffff, 1);
scene.add(ambient);
const dirLight = new THREE.DirectionalLight(0xffffff, 1.5);
dirLight.position.set(5, 10, 7);
scene.add(dirLight);
// 放一个立方体，确认3D渲染正常
const cube = new THREE.Mesh(
new THREE.BoxGeometry(1, 1, 1),
new THREE.MeshStandardMaterial({ color: 0x4CAF50 })
);
cube.position.y = 0.5;
scene.add(cube);
document.getElementById('tip').innerText = '✅ 3D场景加载成功！';
}
// 解析淘宝链接
function parseLink() {
const url = document.getElementById('linkInput').value.trim();
const tip = document.getElementById('tip');
const m = url.match(/id=(\d+)/);
if (m) {
const itemId = m[1];
tip.innerText = '解析成功，商品ID：' + itemId;
} else {
tip.innerText = '未找到商品ID';
}
}
// 渲染循环
function animate() {
requestAnimationFrame(animate);
renderer.render(scene, camera);
}
// 启动
init3D();
animate();