From 45608bbdd14ba20661aaf936197bf817ad8ff64d Mon Sep 17 00:00:00 2001
From: yiqiu <yiqiu@ycyaw.com>
Date: Fri, 21 Nov 2025 20:26:09 +0800
Subject: [PATCH] 2

---
 css/index.css |  27 ++++++++
 index.html    |  11 ++-
 js/globe.js   | 184 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 220 insertions(+), 2 deletions(-)
 create mode 100644 js/globe.js

diff --git a/css/index.css b/css/index.css
index 5044f8b..6ba6952 100644
--- a/css/index.css
+++ b/css/index.css
@@ -68,6 +68,33 @@
   pointer-events: auto;
 }
 
+/* 3D 地球容器：位于轮播图偏中右位置 */
+.banner-globe {
+  position: absolute;
+  top: 50%;
+  right: 8%;              /* 根据视觉调节，让地球更靠中间一点 */
+  transform: translateY(-50%);
+  width: 420px;
+  height: 420px;
+  pointer-events: none;   /* 不影响轮播图滑动与点击 */
+}
+
+/* 中等屏幕下缩小地球，避免挡住文案 */
+@media (max-width: 1400px) {
+  .banner-globe {
+    right: 4%;
+    width: 360px;
+    height: 360px;
+  }
+}
+
+/* 小屏幕（如窄笔记本）下隐藏 3D 地球，保持可用性 */
+@media (max-width: 1100px) {
+  .banner-globe {
+    display: none;
+  }
+}
+
 .banner .banner-s {
   box-shadow: 0px 0px 16px rgba(52, 52, 52, 0.16);
   border-radius: 3px;
diff --git a/index.html b/index.html
index 6e25044..38208a5 100644
--- a/index.html
+++ b/index.html
@@ -3,8 +3,13 @@
 <link rel="stylesheet" href="/web/BlackFruit-web/css/index.css">
 <link rel="stylesheet" href="/web/BlackFruit-web/css/viewer.min.css">
 
-<script src="/web/BlackFruit-web/js/index.js"></script>
-<script src="/web/BlackFruit-web/js/viewer.min.js"></script>
+<!-- 首页脚本 -->
+<script src="/web/BlackFruit-web/js/index.js"></script>
+<!-- 3D 地球依赖：Three.js（请在 /web/BlackFruit-web/vender/three/three.min.js 放置库文件） -->
+<script src="/web/BlackFruit-web/vender/three/three.min.js"></script>
+<!-- 3D 地球效果脚本 -->
+<script src="/web/BlackFruit-web/js/globe.js"></script>
+<script src="/web/BlackFruit-web/js/viewer.min.js"></script>
 
 </head>
 
@@ -32,6 +37,8 @@
           </div>
         </div>
       </div>
+      <!-- 3D 地球容器（Three.js 渲染输出挂载到这里） -->
+      <div id="bannerGlobe" class="banner-globe"></div>
     </div>
     </div>
     <div class="banner-s">
diff --git a/js/globe.js b/js/globe.js
new file mode 100644
index 0000000..5ed93bf
--- /dev/null
+++ b/js/globe.js
@@ -0,0 +1,184 @@
+// 3D 地球效果（首页 banner 右侧）
+// 依赖：Three.js（全局 THREE 对象），脚本路径建议：/web/BlackFruit-web/vender/three/three.min.js
+
+(function () {
+  function initGlobe() {
+    var container = document.getElementById("bannerGlobe");
+    if (!container) return;
+    if (typeof THREE === "undefined") {
+      // Three.js 未加载时直接跳过，不影响其它功能
+      return;
+    }
+
+    var width = container.clientWidth || 400;
+    var height = container.clientHeight || 400;
+
+    var scene = new THREE.Scene();
+
+    var camera = new THREE.PerspectiveCamera(45, width / height, 0.1, 1000);
+    var radius = 1.2;
+    camera.position.set(0, 0, radius * 3.2);
+    camera.lookAt(0, 0, 0);
+
+    var renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
+    renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, 2));
+    renderer.setSize(width, height);
+    renderer.setClearColor(0x000000, 0); // 透明背景，融入页面
+    container.appendChild(renderer.domElement);
+
+    // 光照：柔和的环境光 + 方向光
+    scene.add(new THREE.AmbientLight(0xffffff, 0.5));
+    var dirLight = new THREE.DirectionalLight(0xffffff, 0.9);
+    dirLight.position.set(5, 3, 5);
+    scene.add(dirLight);
+
+    var globeGroup = new THREE.Group();
+    scene.add(globeGroup);
+
+    // 地球球体
+    var earthGeometry = new THREE.SphereGeometry(radius, 64, 64);
+
+    // 纯色高光材质，若后续有贴图可替换为 MeshPhongMaterial + map
+    var earthMaterial = new THREE.MeshPhongMaterial({
+      color: 0x163a5f,
+      emissive: 0x061727,
+      shininess: 35,
+      specular: 0x3aaefc,
+    });
+
+    var earthMesh = new THREE.Mesh(earthGeometry, earthMaterial);
+    globeGroup.add(earthMesh);
+
+    // 大气层发光效果
+    var atmosphereGeometry = new THREE.SphereGeometry(radius * 1.06, 64, 64);
+    var atmosphereMaterial = new THREE.MeshBasicMaterial({
+      color: 0x2b9fff,
+      transparent: true,
+      opacity: 0.25,
+      side: THREE.BackSide,
+    });
+    var atmosphereMesh = new THREE.Mesh(
+      atmosphereGeometry,
+      atmosphereMaterial
+    );
+    globeGroup.add(atmosphereMesh);
+
+    // 将经纬度转换为球面坐标
+    function latLngToVector3(lat, lng, r) {
+      var phi = (90 - lat) * (Math.PI / 180);
+      var theta = (lng + 180) * (Math.PI / 180);
+      var x = -r * Math.sin(phi) * Math.cos(theta);
+      var z = r * Math.sin(phi) * Math.sin(theta);
+      var y = r * Math.cos(phi);
+      return new THREE.Vector3(x, y, z);
+    }
+
+    // 一些示例节点（可以根据业务改为真实机房经纬度）
+    var nodeConfigs = [
+      { lat: 39.9, lng: 116.4 }, // 北京
+      { lat: 31.2, lng: 121.5 }, // 上海
+      { lat: 22.5, lng: 114.1 }, // 香港
+      { lat: 1.3, lng: 103.8 }, // 新加坡
+      { lat: 37.8, lng: -122.4 }, // 旧金山
+      { lat: 52.5, lng: 13.4 }, // 柏林
+      { lat: 35.7, lng: 139.7 }, // 东京
+    ];
+
+    var nodeGroup = new THREE.Group();
+    globeGroup.add(nodeGroup);
+
+    var nodeMaterial = new THREE.MeshBasicMaterial({
+      color: 0x5ad8ff,
+    });
+
+    var nodes = [];
+    var nodeRadius = radius * 0.03;
+    nodeConfigs.forEach(function (cfg, index) {
+      var pos = latLngToVector3(cfg.lat, cfg.lng, radius * 1.02);
+      var geom = new THREE.SphereGeometry(nodeRadius, 16, 16);
+      var mesh = new THREE.Mesh(geom, nodeMaterial);
+      mesh.position.copy(pos);
+      nodeGroup.add(mesh);
+
+      nodes.push({
+        mesh: mesh,
+        baseScale: 1,
+        phase: Math.random() * Math.PI * 2 + index,
+      });
+    });
+
+    // 通过 Points 实现星空点阵背景
+    var starGeometry = new THREE.BufferGeometry();
+    var starCount = 600;
+    var starPositions = new Float32Array(starCount * 3);
+    for (var i = 0; i < starCount; i++) {
+      var sr = radius * 4 + Math.random() * radius * 2;
+      var theta = Math.random() * Math.PI * 2;
+      var phi = Math.acos(2 * Math.random() - 1);
+      var sx = sr * Math.sin(phi) * Math.cos(theta);
+      var sy = sr * Math.sin(phi) * Math.sin(theta);
+      var sz = sr * Math.cos(phi);
+      starPositions[i * 3] = sx;
+      starPositions[i * 3 + 1] = sy;
+      starPositions[i * 3 + 2] = sz;
+    }
+    starGeometry.setAttribute(
+      "position",
+      new THREE.BufferAttribute(starPositions, 3)
+    );
+    var starMaterial = new THREE.PointsMaterial({
+      color: 0x3f76ff,
+      size: 0.02,
+      transparent: true,
+      opacity: 0.8,
+    });
+    var stars = new THREE.Points(starGeometry, starMaterial);
+    scene.add(stars);
+
+    // 自适应窗口大小
+    function onResize() {
+      if (!container) return;
+      var w = container.clientWidth || width;
+      var h = container.clientHeight || height;
+      camera.aspect = w / h;
+      camera.updateProjectionMatrix();
+      renderer.setSize(w, h);
+    }
+    window.addEventListener("resize", onResize);
+
+    // 动画循环
+    var lastTime = performance.now();
+
+    function animate() {
+      requestAnimationFrame(animate);
+
+      var now = performance.now();
+      var delta = (now - lastTime) / 1000;
+      lastTime = now;
+
+      // 地球缓慢自转
+      globeGroup.rotation.y += delta * 0.25;
+
+      // 星辰慢速旋转，增强空间感
+      stars.rotation.y -= delta * 0.05;
+
+      // 节点呼吸效果
+      var t = now / 1000;
+      nodes.forEach(function (n) {
+        var s = n.baseScale * (1 + 0.6 * Math.sin(t * 2.5 + n.phase));
+        n.mesh.scale.set(s, s, s);
+      });
+
+      renderer.render(scene, camera);
+    }
+
+    animate();
+  }
+
+  if (document.readyState === "loading") {
+    document.addEventListener("DOMContentLoaded", initGlobe);
+  } else {
+    initGlobe();
+  }
+})();
+