1 /* 2 * Program that paints 100 red, yellow and orange balloons in a blue sky. 3 * It will feature commands 4 */ 5 6 package NPW; 7 8 import java.awt.Color; 9 import java.util.Random; 10 import javax.swing.SwingUtilities; 11 import painter.SPainter; 12 import shapes.SCircle; 13 import shapes.SSquare; 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 @Override 26 public void run() { 27 new Balloons(); 28 } 29 }); 30 } 31 32 // THE PAINTER DOING ITS THING 33 34 private void paintTheImage() { 35 SPainter painter = new SPainter("Balloons", 600, 600); 36 paintSky(painter); // ask IntelliJ to generate the stub 37 int nrOfBalloons = 100; 38 paintBalloons(painter,nrOfBalloons); // ask IntelliJ to generate the stub 39 } 40 41 42 43 private void paintSky(SPainter painter) { 44 painter.setColor(Color.BLUE); 45 SSquare sky = new SSquare(2000); 46 painter.paint(sky); 47 } 48 49 private void paintBalloons(SPainter painter, int nrOfBalloons) { 50 int i = 1; 51 while (i <= nrOfBalloons) { 52 paintOneBalloon(painter); // ask IntelliJ to generate the stub 53 i = i + 1; 54 } 55 } 56 57 private void paintOneBalloon(SPainter painter) { 58 Random rgen = new Random(); 59 int rn = rgen.nextInt(3); 60 if (rn == 0) { 61 painter.setColor(Color.RED); 62 } else if (rn == 1) { 63 painter.setColor(Color.ORANGE); 64 } else { 65 painter.setColor(Color.YELLOW); 66 } 67 painter.move(); 68 int balloonRadius = 20; 69 SCircle balloon = new SCircle(balloonRadius); 70 painter.paint(balloon); 71 painter.setColor(Color.BLACK); 72 painter.draw(balloon); 73 } 74 } 75