jysht.github.io/index.html at main · Insi360der/jysht.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3D模型主页</title>
    <style>
        * { margin: 0; padding: 0; }
        body { overflow: hidden; background: #1a1a1a; }
        canvas { display: block; }

        /* 电脑默认大小 */
        .model-buttons {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 99999;
            display: flex;
            gap: 12px;
        }
        .model-btn {
            padding: 12px 24px;
            font-size: 16px;
            background: #3498db;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .model-btn:hover { background: #2980b9; }
        .model-btn.active { background: #2ecc71; }

        /* 👇 手机端自动缩小（手机适用） */
        @media (max-width: 768px) {
            .model-buttons {
                gap: 6px;
            }
            .model-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        .loading {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 99998;
            color: white;
            font-size: 18px;
            background: rgba(0,0,0,0.7);
            padding: 15px 30px;
            border-radius: 8px;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
        }
        .loading.show {
            opacity: 1;
        }
    </style>
</head>
<body>

<div class="loading" id="loading">正在加载模型...</div>

<script src="./global-menu.js"></script>

<div class="model-buttons">
    <button class="model-btn active" data-model="./主图.glb">模型 1</button>
    <button class="model-btn" data-model="./分割1.glb">模型 2</button>
    <button class="model-btn" data-model="./分割2.glb">模型 3</button>
    <button class="model-btn" data-model="./分割3.glb">模型 4</button>
</div>

<script type="importmap">
{
  "imports": {
    "three": "https://cdn.jsdelivr.net/npm/three@0.160.0/build/three.module.js",
    "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.160.0/examples/jsm/"
  }
}
</script>

<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';

const scene = new THREE.Scene();
scene.background = new THREE.Color(0x202020);

const camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.z = 10;

const renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

const ambientLight = new THREE.AmbientLight(0xffffff, 1);
scene.add(ambientLight);
const dirLight = new THREE.DirectionalLight(0xffffff, 1);
dirLight.position.set(5, 10, 5);
scene.add(dirLight);

const controls = new OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.08;

let currentModel = null;
const loader = new GLTFLoader();

const loading = document.getElementById('loading');

function loadModel(url) {
    loading.classList.add('show');

    if (currentModel) {
        scene.remove(currentModel);
        currentModel.traverse(child => {
            if (child.material) {
                if (child.material.map) child.material.map.dispose();
                if (child.material.normalMap) child.material.normalMap.dispose();
                if (child.material.roughnessMap) child.material.roughnessMap.dispose();
                if (child.material.metalnessMap) child.material.metalnessMap.dispose();
                child.material.dispose();
            }
            if (child.geometry) child.geometry.dispose();
        });
        currentModel = null;
    }

    loader.load(url, (gltf) => {
        const model = gltf.scene;
        currentModel = model;

        const box = new THREE.Box3().setFromObject(model);
        const center = box.getCenter(new THREE.Vector3());
        const size = box.getSize(new THREE.Vector3());
        const maxDim = Math.max(size.x, size.y, size.z);
        const scale = 4 / maxDim;

        model.scale.setScalar(scale);
        model.position.sub(center.multiplyScalar(scale));

        scene.add(model);

        loading.classList.remove('show');
    });
}

const buttons = document.querySelectorAll('.model-btn');
buttons.forEach(btn => {
    btn.addEventListener('click', () => {
        buttons.forEach(b => b.classList.remove('active'));
        btn.classList.add('active');
        loadModel(btn.dataset.model);
    });
});

loadModel("./主图.glb");

window.addEventListener('resize', () => {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize(window.innerWidth, window.innerHeight);
});

function animate() {
    requestAnimationFrame(animate);
    controls.update();
    renderer.render(scene, camera);
}
animate();
</script>
</body>
</html>