three实现三维立体河流上斜拉桥（可切换夜景模式）代码-html代码-BFW代码库

three实现三维立体河流上斜拉桥（可切换夜景模式）代码

代码语言：html

所属分类：三维

代码描述：three实现三维立体河流上斜拉桥（可切换夜景模式）代码，桥上有汽车行驶，桥下河流有轮船。

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="utf-8" />
  <title>Three.js 斜拉索大桥 | 昼夜切换</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
  <style>
    html, body {
      margin: 0;
      padding: 0;
      overflow: hidden;
      background: #000;
      height: 100%;
    }
    #app {
      position: fixed;
      inset: 0;
    }
    #ui {
      position: fixed;
      top: 12px;
      left: 12px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      z-index: 10;
      user-select: none;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: #fff;
    }
    .panel {
      background: rgba(0,0,0,0.4);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 10px;
      padding: 10px 12px;
      backdrop-filter: blur(6px);
    }
    #toggleBtn {
      appearance: none;
      border: none;
      padding: 10px 14px;
      border-radius: 8px;
      background: linear-gradient(135deg, #1b7fff, #0acffe);
      color: white;
      font-weight: 700;
      letter-spacing: 0.5px;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(11, 156, 255, 0.4);
    }
    #toggleBtn:active {
      transform: translateY(1px);
    }
    .hint {
      font-size: 12px;
      color: #cfd9ff;
      opacity: 0.9;
    }
    .badge {
      display: inline-block;
      font-size: 12px;
      padding: 2px 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.15);
      margin-left: 8px;
    }
    #credits {
      position: fixed;
      right: 12px;
      bottom: 10px;
      font-size: 12px;
      color: #9fb3ff;
      background: rgba(0,0,0,0.35);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px;
      padding: 6px 10px;
      z-index: 10;
      backdrop-filter: blur(4px);
    }
  </style>
</head>
<body>
  <div id="app"></div>
  <div id="ui">
    <div class="panel">
      <div>
        模式：<span id="modeLabel">白天</span>
        <span class="badge">N 键</span>
      </div>
      <button id="toggleBtn">切换到 夜晚 🌙</button>
      <div class="hint">提示：拖拽旋转，滚轮缩放，右键平移</div>
    </div>
  </div>
  <div id="credits">Three.js 斜拉桥 · 可切换昼夜 · 汽车/轮船动态</div>

  <script type="importmap">
  {
    "imports":{
      "three":"//repo.bfw.wiki/bfwrepo/js/module/three/build/164/three.module.js",
      "three/addons/":"//repo.bfw.wiki/bfwrepo/js/module/three/examples/164/jsm/"
    }
  }
  </script>
  <script type="module">
    import * as THREE from 'three';
    import { OrbitControls } from 'https://unpkg.com/three@0.161.0/examples/jsm/controls/OrbitControls.js';
    import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
    import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
    import { UnrealBloomPass } from 'three/addons/postprocessing/UnrealBloomPass.js';

    // Renderer
    const container = document.getElementById('app');
    const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: false });
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
    renderer.outputColorSpace = THREE.SRGBColorSpace;
    renderer.toneMapping = THREE.ACESFilmicToneMapping;
    renderer.toneMappingExposure = 1.0;
    container.appendChild(renderer.domElement);

    // Scene and Camera
    const scene = new THREE.Scene();
    scene.background = ne.........完整代码请登录后点击上方下载按钮下载查看