@Override
    public void setRadius(float radius) {
        transform.setScale(radius, radius, radius);
    }
@see LightProbe#getUniformMatrix()
for this Area type, the matrix is updated when the probe is transformed,
and its data is used for bound checks in the light culling process.
jme3-core/src/main/java/com/jme3/light/OrientedBoxProbeArea.java