fix: 本地版3dTiles

src/sdk/cover/index.js

@@ -21,6 +21,10 @@ export const enter = (dom, isLocal) => {
     let MergeEditor = viewer.modules.MergeEditor
     let sceneBus = mitt()
     
+    
+    MergeEditor.transformControls.pivotOnBottom = !!isLocal //中心点居于模型bound底部，因固定离地高度，旋转时旋转中心在地面上就不会变位置
+    
+    
     viewer.addEventListener('camera_changed', e => {
         var camera = e.viewport.camera
         var pos = camera.position