License is CC0, Public Domain, Do What You Want or any compatible.
You mean face the camera? If that’s it look in the code for
self.vfx.lookAt(base.camera)and comment/remove that.
If there’s any other type of movement that it’s not intended.
I’m attaching the code to this post, hopefully it won’t get lost here:
vfx.zip (12.5 MB)