PacmanGame.java

   1 /**
   2  * PacmanGame.java
   3  * 
   4  * @author Luis Alejandro Bernal Romero
   5  */
   6 import java.awt.*;
   7 import java.awt.event.*;
   8 
   9 class Pacman{
  10         private int x,y;
  11         
  12         public void paint(Graphics g){
  13                 // Boca abierta
  14                 g.setColor(Color.BLUE);
  15                 g.fillArc(x, y, 100, 100, 20, 320);
  16                 // Esperar
  17                 try {
  18                         Thread.sleep(10);
  19                 } catch (Exception e) {
  20                 }
  21                 // Borrar
  22                 g.setColor(Color.black);
  23                 g.fillOval(x, y, 100, 100);
  24                 // Boca cerrada
  25                 g.setColor(Color.BLUE);
  26                 g.fillOval(x, y, 100, 100);
  27         }
  28         
  29         public void incX(){
  30                 x += 10;
  31                 if(x > 1000){
  32                         x = 0;
  33                 }
  34         }
  35         public void incY(){
  36                 y += 10;
  37                 if(y > 800){
  38                         y = 0;
  39                 }
  40         }
  41         public void decX(){
  42                 x -= 10;
  43                 if(x < 0){
  44                         x = 1000;
  45                 }
  46         }
  47         public void decY(){
  48                 y -= 10;
  49                 if(y < 0){
  50                         y = 800;
  51                 }
  52         }
  53 }
  54 
  55 class Lienzo extends Canvas{
  56         private static final long serialVersionUID = 8865647787011721299L;
  57         private Pacman pacman;
  58         
  59         public Lienzo(Pacman p){
  60                 pacman = p;
  61         }
  62         
  63         public void paint(Graphics g){
  64                 pacman.paint(g);
  65         }
  66 }
  67 
  68 class EscuchaTeclas implements KeyListener{
  69         private Pacman pacman;
  70         private Lienzo lienzo;
  71         public EscuchaTeclas(Pacman p, Lienzo l){
  72                 pacman = p;
  73                 lienzo = l;
  74         }
  75         public void keyPressed(KeyEvent e){
  76                 int tecla = e.getKeyCode();
  77                 if(tecla == KeyEvent.VK_RIGHT){
  78                         pacman.incX();
  79                         lienzo.repaint();
  80                 }
  81                 else if(tecla == KeyEvent.VK_LEFT){
  82                         pacman.decX();
  83                         lienzo.repaint();
  84                 }
  85                 else if(tecla == KeyEvent.VK_UP){
  86                         pacman.decY();
  87                         lienzo.repaint();
  88                 }
  89                 else if(tecla == KeyEvent.VK_DOWN){
  90                         pacman.incY();
  91                         lienzo.repaint();
  92                 }
  93         }
  94         public void keyReleased(KeyEvent e) {}
  95         public void keyTyped(KeyEvent e) {}
  96 }
  97 
  98 public class PacmanGame {
  99         public static void main(String[] args) {
 100                 Pacman pacman = new Pacman();
 101                 Frame marco = new Frame("Pacman Game");
 102                 marco.setResizable(false);
 103                 Lienzo lienzo = new Lienzo(pacman);
 104                 EscuchaTeclas escucha = new EscuchaTeclas(pacman, lienzo);
 105                 lienzo.setBackground(Color.BLACK);
 106                 marco.add(lienzo);
 107                 marco.addKeyListener(escucha);
 108                 marco.setSize(1000, 800);
 109                 marco.setVisible(true);
 110         }
 111 }