triMesh[1].setModelBound(new BoundingBox());
subNode[2] = new Node("toruses");
triMesh[2] = new Torus("torus", 10, 10, 2, 3);
triMesh[2].setModelBound(new BoundingBox());
subNode[3] = new Node("cylinders");
triMesh[3] = new Cylinder("cylinder", 10, 10, 2, 3, true);
triMesh[3].setModelBound(new BoundingBox());
subNode[4] = new Node("pyramids");
triMesh[4] = new Pyramid("pyramid", 10, 10);
triMesh[4].setModelBound(new BoundingBox());