private void addWall (String id, double magnitude, double exponent) {
        final double WALL_MARGIN = 10;
        final double WALL_THICKNESS = 10;
        final double WALL_WIDTH = DISPLAY_WIDTH - WALL_MARGIN * 2 + WALL_THICKNESS;
        final double WALL_HEIGHT = DISPLAY_HEIGHT - WALL_MARGIN * 2 + WALL_THICKNESS;
        JGColor color = JGColor.green;
        switch (id) {
            case "1":
                new TopBottomWalls("1", 1, color, WALL_WIDTH, WALL_THICKNESS, exponent, magnitude,
                                   DISPLAY_WIDTH / 2, WALL_MARGIN, WALL1_MAX_POSITION,
                                   WALL1_MIN_POSITION, -1 * WALL_MOVEMENT_CONSTANT);
                break;
            case "3":
                new TopBottomWalls("3", 1, color, WALL_WIDTH, WALL_THICKNESS, exponent, magnitude,
                                   DISPLAY_WIDTH / 2, DISPLAY_HEIGHT -
                                                      WALL_MARGIN, WALL3_MAX_POSITION,
                                   WALL3_MIN_POSITION, WALL_MOVEMENT_CONSTANT);
                break;
            case "4":
                new WallSide("4", 1, color, WALL_THICKNESS, WALL_HEIGHT, exponent, magnitude,
                             WALL_MARGIN, DISPLAY_HEIGHT / 2, WALL4_MAX_POSITION,
                             WALL4_MIN_POSITION, -1 * WALL_MOVEMENT_CONSTANT);
                break;
            case "2":
                new WallSide("2", 1, color, WALL_THICKNESS, WALL_HEIGHT, exponent, magnitude,
                             DISPLAY_WIDTH - WALL_MARGIN, DISPLAY_HEIGHT / 2, WALL2_MAX_POSITION,
                             WALL2_MIN_POSITION, WALL_MOVEMENT_CONSTANT);
                break;
            default:
                break;
        }
        
    }