From 1126f9a79eba3109aa804cc3458d67c1b5ac8777 Mon Sep 17 00:00:00 2001
From: fukunee <fukun.ee@foxmail.com>
Date: Sat, 19 Sep 2026 14:36:37 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=B3=E9=94=AE=20tilt=20=E6=9D=BE=E5=BC=80?=
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---
 src/scene/CesiumGlobe.js | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/scene/CesiumGlobe.js b/src/scene/CesiumGlobe.js
index 0a86305..2b29082 100644
--- a/src/scene/CesiumGlobe.js
+++ b/src/scene/CesiumGlobe.js
@@ -255,6 +255,7 @@ export class CesiumGlobe {
 
     this._buildMarkers();
     this._setupPick();
+    this._setupRightRestore();
     this._loadBoundaries();
     this._buildCityLabels();
 
@@ -355,7 +356,34 @@ export class CesiumGlobe {
     viewer.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
   }
 
-  // 右键环视：地表附近右键拖动，以点击点为球心调整视角，松开归位
+  // 右键操作（原生 tilt）松开后自动归位：记录按下前状态，松开时恢复
+  _setupRightRestore() {
+    const scene = this.viewer.scene;
+    const camera = this.viewer.camera;
+    const handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);
+    this._rightRestore = null;
+
+    handler.setInputAction(() => {
+      this._rightRestore = {
+        position: Cesium.Cartesian3.clone(camera.position),
+        direction: Cesium.Cartesian3.clone(camera.direction),
+        up: Cesium.Cartesian3.clone(camera.up),
+      };
+    }, Cesium.ScreenSpaceEventType.RIGHT_DOWN);
+
+    handler.setInputAction(() => {
+      if (!this._rightRestore) return;
+      const s = this._rightRestore;
+      this._rightRestore = null;
+      camera.setView({
+        destination: s.position,
+        orientation: { direction: s.direction, up: s.up },
+      });
+    }, Cesium.ScreenSpaceEventType.RIGHT_UP);
+
+    this._rightRestoreHandler = handler;
+  }
+
   // 相机平滑飞至某个标记上空并居中：回到与初始一致的高度与北朝上方向，左键拖拽手感不变
   flyToEntry(index) {
     const entry = ENTRIES[index];