[UE4]3dmax导出FBX的属性设置

3dmax导出fbx时，需要勾选：Smoothing Groups

 

否则会出现警告：Warning: No smoothing group information was found in this FBX scene.

 

UE4导入FBX时的选项说明

https://docs.unrealengine.com/latest/INT/Engine/Content/FBX/ImportOptions/index.html