Update index.html

index.html

@@ -154,31 +154,17 @@
         .arcDashAnimateTime(() => 2000);
 
       // Borders
-    fetch('./geocountries.json', { cache: 'no-cache' })
-      .then(r => { if (!r.ok) throw new Error(`HTTP ${r.status}`); return r.json(); })
-      .then(({ features }) => {
-        const paths = [];
-        const pushRing = (ring) => {
-          // light decimation for speed
-          const step = ring.length > 200 ? 2 : 1;
-          const thinned = ring.filter((_, i) => i % step === 0);
-          paths.push(thinned.map(([lng, lat]) => [lat, normLng(lng)]));
-        };
-        for (const f of features) {
-          const g = f.geometry; if (!g) continue;
-          if (g.type === 'Polygon') g.coordinates.forEach(pushRing);
-          else if (g.type === 'MultiPolygon') g.coordinates.forEach(poly => poly.forEach(pushRing));
-        }
-        globe
-          .polygonsData([])                     // remove polygon meshes
-          .pathsData(paths)                     // draw borders as lines
-          .pathColor(() => '#ffffff')           // solid white
-          .pathStroke(0.12)                     // thickness in angular degrees
-          .pathPointAlt(() => 0.002)            // lift slightly off the surface
-          .pathResolution(3);                   // keep interpolation modest for perf
-      })
-      .catch(err => showErr(`Failed to load borders: ${err.message}`));
-    
+      fetch('https://unpkg.com/three-globe/example/datasets/ne_110m_admin_0_countries.geojson')
+          .then(r => r.json())
+          .then(({ features }) => {
+            globe
+              .polygonsData(features)
+              .polygonCapColor(() => 'rgba(0,0,0,0)')     // transparent fill
+              .polygonSideColor(() => 'rgba(0,0,0,0)')    // no sides
+              .polygonStrokeColor(() => 'rgba(255,255,255,0.25)')
+              .polygonAltitude(() => 0.002);              // small lift to avoid z-fighting
+          })
+      .catch(() => {/* ignore */});
     
 
       // Orbit controls tuning (zoom/rotate)