import robocode.util.Utils;

public void run() {
    turnRadarRightRadians(Double.POSITIVE_INFINITY);
    do {
        scan();
    } while (true);
}

public void onScannedRobot(ScannedRobotEvent e) {
    double radarTurn = getHeadingRadians() + e.getBearingRadians() - getRadarHeadingRadians();
    setTurnRadarRightRadians(Utils.normalRelativeAngle(radarTurn));
}