Biblioteca Java - Blame information for rev 27

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Rev Author Line No. Line
27 mihai 1 package ex2_balls;
2 import java.awt.*;
3  
4 public class Ball extends Thread {
5  
6     BallWorld world;
7  
8     private int xpos, ypos, xinc, yinc;
9  
10     private final Color col;
11  
12     private final static int ballw = 10;
13     private final static int ballh = 10;
14  
15     public Ball(BallWorld world, int xpos, int ypos,
16                 int xinc, int yinc, Color col) {
17  
18                 this.world = world;
19                 this.xpos = xpos; this.ypos = ypos;
20                 this.xinc = xinc; this.yinc = yinc;
21                 this.col = col;
22  
23         world.addBall(this);
24     }
25  
26  
27     public void move() {
28         if (xpos >= world.getWidth() - ballw || xpos <= 0 ) xinc = -xinc;
29  
30         if (ypos >= world.getHeight() - ballh || ypos <= 0 ) yinc = -yinc;
31  
32         try {
33             Thread.sleep(30);    
34             xpos += xinc;
35             ypos += yinc;
36         }
37         catch (InterruptedException e) {
38             System.err.println(e.getMessage());
39             System.exit(1);
40         }
41     }      
42  
43     public void run() {
44         while (true) move();
45     }
46  
47     public void draw(Graphics g) {
48         g.setColor(col);
49         g.fillOval(xpos,ypos,ballw,ballh);
50     }
51  
52 }