package sample;
import robocode.*;

public class J07E03 extends Robot
{
	public void run() {
        // allow the radar to rotate freely
		setAdjustRadarForRobotTurn(true);
        
        // allow the gun to rotate freely
        setAdjustGunForRobotTurn(true);
        
        // loop that runs when it's this robot's turn
		while (true) {
                // turn the radar a full circle
                turnRadarRight(360);
		}
	}  

    // method that is called when a robot is detected
	public void onScannedRobot(ScannedRobotEvent e) {
        // only do the following if the Sitting Duck robot is detected
        //if (e.getName().equals("sample.SittingDuck")) {
            // get absolute bearing
            double absoluteBearing = getHeading() + e.getBearing();
            
            // determine the bearing between the current heading
            // of the gun and the position it needs to be to point
            // to the detected robot
            double bearingFromGun = normalRelativeAngle(absoluteBearing - getGunHeading());
        
            // turn the gun toward the detected robot
            turnGunRight(bearingFromGun);
           	
            // fire the gun
            fire(1);
        //}
	}
    
    // method that is called when this robot is hit by a bullet
    public void onHitByBullet(HitByBulletEvent e) {

    }
    
    // helper method to generate a value between -180 and 180
    public double normalRelativeAngle(double angle) {
        if (angle > -180 && angle <= 180) {
            return angle;
        }
        double fixedAngle = angle;

        while (fixedAngle <= -180) {
            fixedAngle += 360;
        }
        while (fixedAngle > 180) {
            fixedAngle -= 360;
        }
        return fixedAngle;
    }

}