From 0cb6e46b92ab8bc2e402893d3698b2c7a79885d7 Mon Sep 17 00:00:00 2001
From: fukunee <fukun.ee@foxmail.com>
Date: Sat, 19 Sep 2026 15:05:31 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=B3=E9=94=AE=E7=8E=AF=E8=A7=86=E7=90=83?=
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---
 src/scene/CesiumGlobe.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/scene/CesiumGlobe.js b/src/scene/CesiumGlobe.js
index efb1777..b0f5a65 100644
--- a/src/scene/CesiumGlobe.js
+++ b/src/scene/CesiumGlobe.js
@@ -386,12 +386,18 @@ export class CesiumGlobe {
     handler.setInputAction((movement) => {
       // 旋转中心 = 相机当前注视的屏幕中心点（与原生 tilt 一致），
       // 而不是点击点：用点击点会导致一拖动就“瞬移”到点击处。
+      // 取“地形表面”点而不是椭球点：相机看到的是地形，若用椭球点做球心，
+      // 视觉中心（地形）会随旋转漂移，产生“两套体系”的错觉。
       const canvas = scene.canvas;
       const center = Cesium.Cartesian2.fromElements(
         canvas.clientWidth / 2,
         canvas.clientHeight / 2,
       );
-      const pivot = camera.pickEllipsoid(center, scene.globe.ellipsoid);
+      const ray = camera.getPickRay(center);
+      let pivot = scene.globe.pick(ray, scene);
+      if (!Cesium.defined(pivot)) {
+        pivot = camera.pickEllipsoid(center, scene.globe.ellipsoid);
+      }
       if (!Cesium.defined(pivot)) return;
       const sc = this._orbitScratch;
       const offset = Cesium.Cartesian3.subtract(camera.position, pivot, sc.offset);