Check if rotation value of model has changed

How would one check if a meshes rotation has changed or not?

You save the values of Object3D.rotation or Object3D.quaternion in the current frame and compare them with the new values in the next one.

However, this approach only works if your objects have no parents. If they are part of an object hierarchy, you can get the world rotation via Object3D.getWorldQuaternion().

/cc