右键按下时取消左键惯性余力，避免叠加旋转

src/scene/CesiumGlobe.js

@@ -390,6 +390,17 @@ export class CesiumGlobe {
     };
 
     handler.setInputAction((movement) => {
+      // 取消左键旋转/缩放/倾斜的惯性余力，避免右键拖动时叠加成“又转又倾斜”
+      const ctrl = scene.screenSpaceCameraController;
+      const inertiaStates = [
+        '_lastInertiaSpinMovement',
+        '_lastInertiaZoomMovement',
+        '_lastInertiaTiltMovement',
+      ];
+      for (let i = 0; i < inertiaStates.length; i++) {
+        const st = ctrl[inertiaStates[i]];
+        if (st) st.inertiaEnabled = false;
+      }
       // 旋转中心 = 相机当前注视的屏幕中心点（地形表面），而不是点击点
       const canvas = scene.canvas;
       const center = Cesium.Cartesian2.fromElements(