3d球状特效js抽奖

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>3D球状特效抽奖</title>
    <style>
        body { margin: 0; }
        canvas { display: block; }
    </style>
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
<script>
    // 创建场景、相机和渲染器
    const scene = new THREE.Scene();
    const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
    const renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    document.body.appendChild(renderer.domElement);

    // 创建球体
    const geometry = new THREE.SphereGeometry(5, 32, 32);
    const material = new THREE.MeshBasicMaterial({color: 0x00ff00});
    const sphere = new THREE.Mesh(geometry, material);
    scene.add(sphere);

    camera.position.z = 10;

    // 动画循环
    function animate() {
        requestAnimationFrame(animate);
        sphere.rotation.x += 0.01;
        sphere.rotation.y += 0.01;
        renderer.render(scene, camera);
    }
    animate();

    // 抽奖逻辑（简化示例）
    document.addEventListener('click', () => {
        const randomAngle = Math.random() * Math.PI * 2;
        sphere.rotation.y = randomAngle;
    });
</script>
</body>
</html>