package example;
import robocode.*;
import java.awt.Color;

/**
 * Radar - a robot by (your name here)
 */
public class Radar extends Robot
{
	/**
	 * run: Radar's default behavior
	 */
	public void run() {
		// After trying out your robot, try uncommenting the import at the top,
		// and the next line:
		setColors(Color.red,Color.red,Color.red);
		setAdjustRadarForRobotTurn(true);
		while(true) {
			// Replace the next 4 lines with any behavior you would like

			ahead(100);
			turnRadarRight(360);
			back(100);
			turnRadarRight(360);



		}
	}

	/**
	 * onScannedRobot: What to do when you see another robot
	 */
	public void onScannedRobot(ScannedRobotEvent e) {


 		double absoluteBearing = getHeading() + e.getBearing();
 		double bearingFromGun = normalRelativeAngle(absoluteBearing - getGunHeading());

 		turnGunRight(bearingFromGun);
 		fire(3);


	}

	/**
	 * onHitByBullet: What to do when you're hit by a bullet
	 */
	public void onHitByBullet(HitByBulletEvent e) {
		turnLeft(90 - e.getBearing());
		ahead(200);
	}

	public void onHitWall(HitWallEvent e) {
		turnLeft(130 - e.getBearing());
		ahead(200);
	}

	/**
	 * normalRelativeAngle:  Returns angle such that -180 < angle <= 180
	 * if the angle is 270 degrees we don't want to turnRight 270 it would be faster to turnRight -90 degrees
	 * id the angle is -300 degrees we don't want to turnRight -300 it would be faster to turnRight 60 degrees
	 */
	public double normalRelativeAngle(double angle) {
		if (angle > -180 && angle <= 180) {
			return angle;
		}
		double fixedAngle = angle;
/* e.g -300 degrees add 360 to it becomes +60 degrees, turnRight +60 is faster than turnRight -300 */
		while (fixedAngle <= -180) {
			fixedAngle += 360;
		}
/* e.g 270 degrees subtract 360 from it becomes -90 degrees, turnRight -90 is faster than turnRight +270 */
		while (fixedAngle > 180) {
			fixedAngle -= 360;
		}
		return fixedAngle;
	}

}