import java.awt.*;
public class RaceApplet extends java.applet.Applet implements Runnable {
private final static int NUMRUNNERS = 2;
private final static int SPACING = 20;
private Runner[] runners = new Runner[NUMRUNNERS];
private Thread updateThread = null;
public void init() {
String raceType = getParameter("type");
for (int i = 0; i < NUMRUNNERS; i++) {
runners[i] = new Runner();
if (raceType.compareTo("unfair") == 0)
runners[i].setPriority(i+2);
else
runners[i].setPriority(2);
}
if (updateThread == null) {
updateThread = new Thread(this, "Thread Race");
updateThread.setPriority(NUMRUNNERS+2);
}
}
public boolean mouseDown(java.awt.Event evt, int x, int y) {
if (!updateThread.isAlive())
updateThread.start();
for (int i = 0; i < NUMRUNNERS; i++) {
if (!runners[i].isAlive())
runners[i].start();
}
return true;
}
public void paint(Graphics g) {
g.setColor(Color.lightGray);
g.fillRect(0, 0, size().width, size().height);
g.setColor(Color.black);
for (int i = 0; i < NUMRUNNERS; i++) {
int pri = runners[i].getPriority();
g.drawString(new Integer(pri).toString(), 0, (i+1)*SPACING);
}
update(g);
}
public void update(Graphics g) {
for (int i = 0; i < NUMRUNNERS; i++) {
g.drawLine(SPACING, (i+1)*SPACING,
SPACING + (runners[i].tick)/1000, (i+1)*SPACING);
}
}
public void run() {
Thread myThread = Thread.currentThread();
while (updateThread == myThread) {
repaint();
try {
Thread.sleep(10);
} catch (InterruptedException e) { }
}
}
public void stop() {
for (int i = 0; i < NUMRUNNERS; i++) {
if (runners[i].isAlive())
runners[i] = null;
}
if (updateThread.isAlive())
updateThread = null;
}
}
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