@Override
    public Object jmeClone() {
        try {
            Joint clone = (Joint) super.clone();
            return clone;
        } catch (CloneNotSupportedException ex) {
            throw new AssertionError();
        }
    }
Create a shallow clone for the JME cloner.

@return a new instance
jme3-core/src/main/java/com/jme3/anim/Joint.java