public static SSAOFilter cloneSSAOFilter(SSAOFilter filter){
        SSAOFilter clone = new SSAOFilter();
        clone.setSampleRadius(filter.getSampleRadius());
        clone.setIntensity(filter.getIntensity());
        clone.setScale(filter.getScale());
        clone.setBias(filter.getBias());
        return clone;
    }
A private constructor to inhibit instantiation of this class.
jme3-vr/src/main/java/com/jme3/post/FilterUtil.java