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

@return a new action (not null)
jme3-core/src/main/java/com/jme3/anim/tween/action/ClipAction.java