MannyPacquiao

 package arthord;
 import robocode.*;
 import robocode.util.Utils;
 import java.awt.geom.Rectangle2D;
 
 /**
  * MannyPacquiao
  */
 public class MannyPacquiao extends AdvancedRobot
 {
 	static int direction = 1; // Direction of movement
 	static boolean flat; // Flattener active?
 	static double bulletVelocity; // Velocity of enemy bullets
 
 	/**
 	 * run: MannyPacquiao's default behavior
 	 */
 	public void run()
 	{
 		// Start round with flattener off
 		flat = false;
 
 		// Constantly block, while also ensuring the radar can re-lock if it slips
 		do
 		{
 			turnRadarRightRadians(1);
 		}
 		while(true);
 	}
 
 	/**
 	 * onScannedRobot: What to do when you see another robot
 	 */
 	public void onScannedRobot(ScannedRobotEvent e)
 	{
 		double absoluteBearing; // The target enemy's absolute bearing in radians
 		double robotHeading; // The robot's absolute heading in radians
 		double enemyDistance = e.getDistance(); // Distance to the enemy
 
 		// Flattener
 		// 0.055 is about equal to NanoSatan's old movement
 		if(flat && Math.random() < 0.1)
 		{
 			direction = -direction;
 		}
 
 		// Wall smoother
 		// Note the initial angle is + 0.2 not + 0.02,
 		// this forces the robot to back off when possible.
 		double turnAngle = (absoluteBearing = e.getBearingRadians()) + Math.PI/2 + direction * 0.2;
 		while(!new Rectangle2D.Double(18, 18, 764, 564).contains(getX() + 170 * direction * Math.sin((robotHeading = getHeadingRadians()) + (turnAngle -= direction * 0.02)), getY() + 170 * direction * Math.cos(robotHeading + turnAngle)));
 
 		// Move
 		setAhead(direction * 100);
 
 		// Turn robot perpendicular to opponent
 		setTurnRightRadians(Utils.normalRelativeAngle(turnAngle));
 
 		// Lock onto opponent with radar
 		setTurnRadarRightRadians(Utils.normalRelativeAngle((absoluteBearing += robotHeading) - getRadarHeadingRadians()) * 2);
 
 		// Lock onto opponent with gun
 		// Note the method I use here to achieve random aim, the tuning factor is the multiplier
 		setTurnGunRightRadians(Utils.normalRelativeAngle(absoluteBearing - getGunHeadingRadians()) * (e.getEnergy() > 0 ? 5 : 1) );
 
 		// Fire
 		setFire(2);
 	}
 
 	/**
 	 * onHitByBullet: What to do when you're hit by a bullet
 	 */
 	public void onHitByBullet(HitByBulletEvent e)
 	{
 		// Switch to flattener
 		flat = true;
 
 		// Record bullet velocity
 		bulletVelocity = e.getVelocity();
 	}
 }