@Override
    public SpatialTrack clone() {
        Cloner cloner = new Cloner();
        cloner.setClonedValue(trackSpatial, trackSpatial);
        return cloner.clone(this);
    }
Create a clone with the same track spatial.

@return a new track
jme3-core/src/main/java/com/jme3/animation/SpatialTrack.java