private void buildData() { Sphere3D s1 = new Sphere3D(3, 3, 3, 2); System.out.println("s1 =" + s1.toString()); PhongMaterial m11 = new PhongMaterial(Color.RED); PhongMaterial m12 = new PhongMaterial(Color.BROWN); PhongMaterial m21 = new PhongMaterial(Color.BLUE); PhongMaterial m22 = new PhongMaterial(Color.BLACK); Drone3D d1 = new Drone3D(new Point3D(3, 3, 3), 48, 8, 0, 0, 0, m11, m12); Drone3D d2 = new Drone3D(new Point3D(8, 8, 8), 48, 8, 0, 0, 0, m21, m22); System.out.println("d1= " + d1); System.out.println("d2= " + d2); dt.drawDrone3D(d1); dt.drawDrone3D(d2); }