@Override
    public void read(JmeImporter importer) throws IOException {
        super.read(importer);
        InputCapsule capsule = importer.getCapsule(this);
        xExtent = capsule.readFloat("xExtent", 0);
        yExtent = capsule.readFloat("yExtent", 0);
        zExtent = capsule.readFloat("zExtent", 0);
        center.set((Vector3f) capsule.readSavable("center", Vector3f.ZERO.clone()));
    }
Rebuilds this box based on a new set of parameters.
<p>
The box is updated so that the two opposite corners are {@code minPoint}
and {@code maxPoint}, the other corners are created from those two positions.

@param minPoint the new minimum point of the box.
@param maxPoint the new maximum point of the box.
jme3-core/src/main/java/com/jme3/scene/shape/AbstractBox.java