public void addLinesAroundRegion(TransformGroup tg) { Color3f x = new Color3f(Color.green.brighter().brighter()); Color3f y = new Color3f(Color.yellow.brighter().brighter()); Color3f z = new Color3f(Color.red.brighter().brighter()); LineArray wireframe = new LineArray(12 * 2, GeometryArray.COORDINATES | GeometryArray.COLOR_3); wireframe.setCapability(LineArray.ALLOW_COLOR_WRITE); wireframe.setCapability(LineArray.ALLOW_COORDINATE_READ); wireframe.setCapability(LineArray.ALLOW_COUNT_READ); ArrayList<Point3f> vx = getVertices(); // Add lines parallel to x wireframe.setCoordinate(0, vx.get(0)); wireframe.setCoordinate(1, vx.get(2)); wireframe.setCoordinate(2, vx.get(1)); wireframe.setCoordinate(3, vx.get(3)); wireframe.setCoordinate(4, vx.get(4)); wireframe.setCoordinate(5, vx.get(6)); wireframe.setCoordinate(6, vx.get(5)); wireframe.setCoordinate(7, vx.get(7)); for (int i = 0; i < 8; i++) wireframe.setColor(i, x); // Add lines parallel to y wireframe.setCoordinate(8, vx.get(0)); wireframe.setCoordinate(9, vx.get(4)); wireframe.setCoordinate(10, vx.get(1)); wireframe.setCoordinate(11, vx.get(5)); wireframe.setCoordinate(12, vx.get(2)); wireframe.setCoordinate(13, vx.get(6)); wireframe.setCoordinate(14, vx.get(3)); wireframe.setCoordinate(15, vx.get(7)); for (int i = 8; i < 16; i++) wireframe.setColor(i, y); // Add lines parallel to z wireframe.setCoordinate(16, vx.get(0)); wireframe.setCoordinate(17, vx.get(1)); wireframe.setCoordinate(18, vx.get(2)); wireframe.setCoordinate(19, vx.get(3)); wireframe.setCoordinate(20, vx.get(4)); wireframe.setCoordinate(21, vx.get(5)); wireframe.setCoordinate(22, vx.get(6)); wireframe.setCoordinate(23, vx.get(7)); for (int i = 16; i < 24; i++) wireframe.setColor(i, z); Shape3D shape = new Shape3D(wireframe); tg.addChild(shape); }