public Spatial move(Vector3f offset) {
        this.localTransform.getTranslation().addLocal(offset);
        setTransformRefresh();

        return this;
    }
Translates the spatial by the given translation vector.

@param offset the desired offset (not null, unaffected)
@return The spatial on which this method is called, e.g <code>this</code>.
jme3-core/src/main/java/com/jme3/scene/Spatial.java