右键tilt回正改为flyTo渐变动画

src/scene/CesiumGlobe.js

@@ -371,6 +371,7 @@ export class CesiumGlobe {
     this._rightRestore = null;
 
     handler.setInputAction(() => {
+      camera.cancelFlight(); // 取消可能仍在进行的回正动画
       this._rightRestore = {
         position: Cesium.Cartesian3.clone(camera.position),
         direction: Cesium.Cartesian3.clone(camera.direction),
@@ -384,9 +385,11 @@ export class CesiumGlobe {
       this._rightRestore = null;
       const tiltState = scene.screenSpaceCameraController._lastInertiaTiltMovement;
       if (tiltState) tiltState.inertiaEnabled = false;
-      camera.setView({
+      // 回正改用 flyTo 渐变，而不是瞬间 setView
+      camera.flyTo({
         destination: s.position,
         orientation: { direction: s.direction, up: s.up },
+        duration: 0.5,
       });
     }, Cesium.ScreenSpaceEventType.RIGHT_UP);