未命名 f5qOge，HTML代码在线实时编辑、预览

            
                1
2
3
4
5
6
7
8
9
10
11
12
13

            
            <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <style>
    body { margin: 0; }
    canvas { display: block; }
  </style>
</head>
<body>
  <script src="./main.js"></script>
</body>
</html>

            
                1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

            
            import {
  Scene,
  PerspectiveCamera,
  WebGLRenderer,
  BoxGeometry,
  MeshPhongMaterial,
  Mesh,
  DirectionalLight,
  AmbientLight,
  PointLight,
  Clock,
} from 'three';
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';

// 初始化场景、相机和渲染器
const scene = new Scene();
const camera = new PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
const renderer = new WebGLRenderer({ antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = true; // 启用阴影
document.body.appendChild(renderer.domElement);

// 添加立方体
const geometry = new BoxGeometry();
const material = new MeshPhongMaterial({ color: 0x00ff00 });
const cube = new Mesh(geometry, material);
cube.castShadow = true; // 立方体投射阴影
scene.add(cube);

// 添加环境光
const ambientLight = new AmbientLight(0x404040, 2); // 柔和的环境光
scene.add(ambientLight);

// 添加方向光
const directionalLight = new DirectionalLight(0xffffff, 1);
directionalLight.position.set(5, 5, 5).normalize();
directionalLight.castShadow = true; // 方向光投射阴影
scene.add(directionalLight);

// 添加点光源
const pointLight = new PointLight(0xff0000, 2, 10); // 红色的点光源
pointLight.position.set(2, 2, 2);
pointLight.castShadow = true; // 点光源投射阴影
scene.add(pointLight);

// 设置相机位置
camera.position.z = 5;

// 添加轨道控制器
const controls = new OrbitControls(camera, renderer.domElement);
controls.enableDamping = true; // 启用阻尼效果
controls.dampingFactor = 0.05; // 阻尼系数

// 使用 Clock 控制动画帧率
const clock = new Clock();

// 动画循环
const animate = () => {
  requestAnimationFrame(animate);

  // 获取时间增量
  const delta = clock.getDelta();

  // 旋转立方体
  cube.rotation.x += 1 * delta;
  cube.rotation.y += 1 * delta;

  // 让点光源绕立方体旋转
  pointLight.position.x = Math.sin(clock.getElapsedTime()) * 3;
  pointLight.position.z = Math.cos(clock.getElapsedTime()) * 3;

  // 更新控制器
  controls.update();

  // 渲染场景
  renderer.render(scene, camera);
};

// 启动动画
animate();

// 窗口大小调整时更新相机和渲染器
window.addEventListener('resize', () => {
  camera.aspect = window.innerWidth / window.innerHeight;
  camera.updateProjectionMatrix();
  renderer.setSize(window.innerWidth, window.innerHeight);
});

            
                1
2
3
4
5

            
            {
  "dependencies": {
    "three": "^0.172.0"
  }
}