Pharan wrote

If you can do this masking engine-side instead of in Spine, that would be better for performance.

In this case, I would only create a "rectangular" animation of the planet surface moving and them with pixiJS (for example) I would do the circular mask/clipping?

Shiv wrote

Hey palanolho ,
Here is a project made with the clipping mask as @shiu suggested.
I think this might help.

Thanks @Shiv and @shiu.
I will have a look to understand it .