three.js炫酷特效

// 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);

// 创建粒子系统
const particleCount = 1000;
const particles = new THREE.BufferGeometry();
const positions = new Float32Array(particleCount * 3);
for (let i = 0; i < particleCount * 3; i++) {
    positions[i] = (Math.random() - 0.5) * 10;
}
particles.setAttribute('position', new THREE.BufferAttribute(positions, 3));
const particleMaterial = new THREE.PointsMaterial({ color: 0xffffff, size: 0.1 });
const particleSystem = new THREE.Points(particles, particleMaterial);
scene.add(particleSystem);

// 设置相机位置
camera.position.z = 5;

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