下载地球地图瓦片；修改地球俯冲过渡动画使用本地瓦片素材；

.gitignore

@@ -22,3 +22,4 @@ pnpm-debug.log*
 *.sln
 *.sw?
 .claude
+*.py

public/index.html

@@ -5,7 +5,6 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
-    <link rel="preconnect" href="https://services.arcgisonline.com">
     <link rel="preconnect" href="https://cdnjs.cloudflare.com">
     <title><%= htmlWebpackPlugin.options.title %></title>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/cesium/1.105.1/Cesium.js"></script>
@@ -16,43 +15,7 @@
       <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
     </noscript>
     <div id="app"></div>
-    <!-- 瓦片预加载：页面打开即执行，早于 Vue 初始化 -->
-    <div id="cesium-preload" style="position:fixed;width:1px;height:1px;opacity:0;pointer-events:none;z-index:-1;"></div>
-    <script>
-      (function() {
-        // 预加载宏观和中观瓦片（微观用本地静态图，不需要预加载）
-        var views = [
-          {destination:Cesium.Cartesian3.fromDegrees(-15,35.86,45000000)},
-          {destination:Cesium.Cartesian3.fromDegrees(104.19,35.86,14000000)}
-        ];
-        var idx = 0;
-        var viewer = new Cesium.Viewer('cesium-preload', {
-          animation:false, timeline:false, baseLayerPicker:false, geocoder:false,
-          homeButton:false, sceneModePicker:false, navigationHelpButton:false, infoBox:false,
-          fullscreenButton:false, selectionIndicator:false,
-          imageryProvider: new Cesium.ArcGisMapServerImageryProvider({
-            url:'https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer'
-          })
-        });
-        viewer.cesiumWidget.creditContainer.style.display='none';
-        viewer.camera.setView(views[0]);
-        function check(){
-          if(viewer.isDestroyed())return;
-          if(viewer.scene.globe.tilesLoaded){
-            idx++;
-            if(idx < views.length){
-              viewer.camera.setView(views[idx]);
-              requestAnimationFrame(check);
-            }else{
-              viewer.destroy();
-              var el=document.getElementById('cesium-preload');
-              if(el)el.remove();
-            }
-          }else{requestAnimationFrame(check);}
-        }
-        requestAnimationFrame(check);
-      })();
-    </script>
+    <!-- 本地瓦片，无需预加载 -->
     <!-- built files will be auto injected -->
   </body>
 </html>