1 /* 2 *Program that paints 100 red, yellow and orange balloons in a blue sky. 3 * It will feature commands 4 */ 5 package npw; 6 7 import java.awt.Color; 8 import java.util.Random; 9 import javax.swing.SwingUtilities; 10 import painter.SPainter; 11 import shapes.SCircle; 12 import shapes.SSquare; 13 14 public class AlternateBalloons { 15 16 // REQUIRED INFRASTRUCTURE 17 18 public AlternateBalloons() { 19 paintTheImage(); 20 } 21 22 23 public static void main(String[] args) { 24 SwingUtilities.invokeLater(new Runnable() { 25 public void run() { 26 new AlternateBalloons(); 27 } 28 }); 29 } 30 31 // THE PAINTER DOING ITS THING 32 33 private void paintTheImage() { 34 SPainter painter = new SPainter("Alternate Balloons", 1000,1000); 35 paintSky(painter); //ask IntelliJ to generate the stub 36 int nrOfBalloons = 300; 37 paintBalloons(painter,nrOfBalloons); // ask IntelliJ to generate a stub 38 39 } 40 41 private void paintSky(SPainter painter) { 42 painter.setColor(Color.BLUE); 43 SSquare sky = new SSquare(2000); 44 painter.paint(sky); 45 } 46 47 private void paintBalloons(SPainter painter, int nrOfBalloons) { 48 int i = 1; 49 while ( i <= nrOfBalloons ) { 50 paintOneBalloon(painter); // ask Intellij to generate the stub 51 i = i +1; 52 } 53 } 54 55 private void paintOneBalloon(SPainter painter) { 56 Random rgen= new Random(); 57 int rn = rgen.nextInt(6); 58 if ( rn == 0 ){ 59 painter.setColor(Color.RED); 60 } else if ( rn == 1) { 61 painter.setColor(Color.PINK); 62 } else if ( rn == 2) { 63 painter.setColor(Color.GREEN); 64 } else if ( rn == 3) { 65 painter.setColor(Color.WHITE); 66 } else if ( rn == 4) { 67 painter.setColor(Color.ORANGE); 68 } else { 69 painter.setColor(Color.YELLOW); 70 } 71 painter.move(); 72 int balloonRadius = 30; 73 SCircle balloon = new SCircle (balloonRadius); 74 painter.paint(balloon); 75 painter.setColor(Color.BLACK); 76 painter.draw(balloon); 77 } 78 79 } 80