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 24 public static void main(String[] args) { 25 SwingUtilities.invokeLater(new Runnable() { 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 a stub 39 40 } 41 42 private void paintSky(SPainter painter) { 43 painter.setColor(Color.BLUE); 44 SSquare sky = new SSquare(2000); 45 painter.paint(sky); 46 } 47 48 private void paintBalloons(SPainter painter, int nrOfBalloons) { 49 int i = 1; 50 while ( i <= nrOfBalloons ) { 51 paintOneBalloon(painter); // ask Intellij to generate the stub 52 i = i +1; 53 } 54 } 55 56 private void paintOneBalloon(SPainter painter) { 57 Random rgen= new Random(); 58 int rn = rgen.nextInt(3); 59 if ( rn == 0 ){ 60 painter.setColor(Color.RED); 61 } else if ( rn == 1) { 62 painter.setColor(Color.ORANGE); 63 } else { 64 painter.setColor(Color.YELLOW); 65 } 66 painter.move(); 67 int balloonRadius = 20; 68 SCircle balloon = new SCircle (balloonRadius); 69 painter.paint(balloon); 70 painter.setColor(Color.BLACK); 71 painter.draw(balloon); 72 } 73 74 }