林汤圆 I guess this is not exactly what you are looking for, but we have been wanting to add joystick-style controls to the Spine editor for some time. We have mentioned this in the following thread:
https://esotericsoftware.com/forum/d/14304-portrait
We're still working on improvements for Spine 4.2, and since we plan to focus on streamlining the workflow in 4.3, I don't think we'll be adding such a big new feature right away. That said, it's something we're keeping in mind for future updates.
