public void initSeaCrane() {

        for (int i = 0; i < 4; i++) {
            seaCranes[i] = new SeaCrane(assetManager);
            rootNode.attachChild(seaCranes[i]);
            seaCranes[i].setLocalTranslation(1f, .5f, -(10f + (63f * i)));
        }
    }