1 /* 2 * Program that paints 100 red, yellow, orange balloons in a blue sky 3 * It will feature commands 4 */ 5 package npw; 6 7 import painter.SPainter; 8 import shapes.SCircle; 9 import shapes.SSquare; 10 11 import javax.swing.*; 12 import java.awt.*; 13 import java.util.Random; 14 15 public class Balloons { 16 17 //Required Infrastructure 18 19 public Balloons() { 20 paintTheImage(); 21 } 22 23 public static void main(String[] args) { 24 SwingUtilities.invokeLater(new Runnable() { 25 public void run() { 26 new Balloons(); 27 } 28 }); 29 } 30 31 // The Painter Doing its thing 32 33 private void paintTheImage() { 34 SPainter painter = new SPainter("Balloons",600,600); 35 paintSky(painter); 36 int nrOfBallons = 100; 37 paintBalloons(painter,nrOfBallons); 38 } 39 40 private void paintSky(SPainter painter) { 41 painter.setColor(Color.blue); 42 SSquare sky = new SSquare(2000); 43 painter.paint(sky); 44 } 45 46 private void paintBalloons(SPainter painter, int nrOfBallons) { 47 int i = 1; 48 while(i <= nrOfBallons) { 49 paintOneBalloon(painter); 50 i = i + 1; 51 } 52 } 53 54 private void paintOneBalloon(SPainter painter) { 55 Random rgen = new Random(); 56 int rn = rgen.nextInt(3); 57 if(rn == 0) { 58 painter.setColor(Color.red); 59 } else if(rn == 1) { 60 painter.setColor(Color.ORANGE); 61 } else if(rn == 2) { 62 painter.setColor(Color.yellow); 63 } 64 painter.move(); 65 int balloonRadius = 20; 66 SCircle balloon = new SCircle(balloonRadius); 67 painter.paint(balloon); 68 painter.setColor(Color.black); 69 painter.draw(balloon); 70 } 71 } 72