/** run: Tracker's main run function */
@Override
public void run_(solomon s) {
// Prepare gun
trackName = null; // Initialize to not tracking anyone
s.setAdjustGunForRobotTurn(true); // Keep the gun still when we turn
gunTurnAmt = 10; // Initialize gunTurn to 10
// Loop forever
while (true) {
// turn the Gun (looks for enemy)
s.turnGunRight(gunTurnAmt);
// Keep track of how long we've been looking
count++;
// If we've haven't seen our target for 2 turns, look left
if (count > 2) {
gunTurnAmt = -10;
}
// If we still haven't seen our target for 5 turns, look right
if (count > 3) {
gunTurnAmt = 10;
}
// If we *still* haven't seen our target after 10 turns, find another target
if (count > 11) {
trackName = null;
}
}
}
/** onScannedRobot: Here's the good stuff */
@Override
public void onScannedRobot_(solomon s, ScannedRobotEvent e) {
// If we have a target, and this isn't it, return immediately
// so we can get more ScannedRobotEvents.
if (trackName != null && !e.getName().equals(trackName)) {
return;
}
// If we don't have a target, well, now we do!
if (trackName == null) {
trackName = e.getName();
// out.println("Tracking " + trackName);
}
// This is our target. Reset count (see the run method)
count = 0;
// If our target is too far away, turn and move torward it.
if (e.getDistance() > 150) {
gunTurnAmt = normalRelativeAngle(e.getBearing() + (s.getHeading() - s.getRadarHeading()));
s.turnGunRight(gunTurnAmt); // Try changing these to setTurnGunRight,
s.turnRight(e.getBearing()); // and see how much Tracker improves...
// (you'll have to make Tracker an AdvancedRobot)
s.ahead(e.getDistance() - 135);
return;
}
// Our target is close.
gunTurnAmt = normalRelativeAngle(e.getBearing() + (s.getHeading() - s.getRadarHeading()));
s.turnGunRight(gunTurnAmt);
s.fire(3);
// Our target is too close! Back up.
if (e.getDistance() < 100) {
if (e.getBearing() > -90 && e.getBearing() <= 90) {
s.back(30);
} else {
s.ahead(40);
}
}
s.scan();
}
/** onHitRobot: Set him as our new target */
@Override
public void onHitRobot_(solomon s, HitRobotEvent e) {
// Only print if he's not already our target.
if (trackName != null && !trackName.equals(e.getName())) {
// out.println("Tracking " + e.getName() + " due to collision");
}
// Set the target
trackName = e.getName();
// Back up a bit.
// Note: We won't get scan events while we're doing this!
// An AdvancedRobot might use setBack(); execute();
gunTurnAmt = normalRelativeAngle(e.getBearing() + (s.getHeading() - s.getRadarHeading()));
s.turnGunRight(gunTurnAmt);
s.fire(3);
s.back(50);
}