Hi @Xiaoguang,
We’ll need more information from you to understand what’s going on. First, a video of this behavior on your machine would help us immensely.
Second, could you provide us with the following information:
- What versions of Unreal Engine and Cesium for Unreal are you using?
- What datasets are you using? For example, are you using Cesium World Terrain? Google Photorealistic 3D Tiles? Or your own data?
- Please share with us how you’re loading 3D Tiles by “dynamic methods”. Are you doing this through Blueprints, or C++? Can you please share the code for either?
Once we get this preliminary information, we can try to troubleshoot from there. Thank you!