movement methods

src/myrobot/FirstRobot.java

@@ -1,7 +1,5 @@
 package myrobot;
 
-
-
 /*******************************************************************************
  * Copyright (c) 2001-2014 Mathew A. Nelson and Robocode contributors
  * All rights reserved. This program and the accompanying materials
@@ -10,13 +8,10 @@ package myrobot;
  * http://robocode.sourceforge.net/license/epl-v10.html
  *******************************************************************************/
 
-
-
 import robocode.HitByBulletEvent;
 import robocode.Robot;
 import robocode.ScannedRobotEvent;
 
-
 /**
  * MyFirstRobot - a sample robot by Mathew Nelson.
  * <p/>
@@ -32,13 +27,63 @@ public class FirstRobot extends Robot {
 	public void run() {
 
 		while (true) {
-			ahead(100); // Move ahead 100
-			turnGunRight(360); // Spin gun around
-			back(100); // Move back 100
-			turnGunRight(360); // Spin gun around
+			right();
+			ahead(128);
+
+			down();
+			ahead(64);
+
+			left();
+			ahead(128);
+
+			up();
+			ahead(64);
+			
+			right();
+			ahead(128);		
+
+			up();
+			ahead(64);		
+			
+			left();
+			ahead(128);
+			
+			down();
+			ahead(64);
+
+		}
+
+	}
+
+	public void up() {
+		turn(0);
+	}
+
+	public void right() {
+		turn(90);
+	}
+
+	public void down() {
+		turn(180);
+	}
+
+	public void left() {
+		turn(270);
+	}
+
+	private void turn(int dest) {
+		int curr = (int) getHeading();
+		if (curr != dest) {
+			int diff = curr - dest;
+			if (Math.abs(diff) > 180)
+				turnRight(diff % 180);
+			else
+				turnLeft(diff);
 		}
 	}
 
+
+
 	/**
 	 * Fire when we see a robot
 	 */
@@ -47,10 +92,9 @@ public class FirstRobot extends Robot {
 	}
 
 	/**
-	 * We were hit!  Turn perpendicular to the bullet,
-	 * so our seesaw might avoid a future shot.
+	 * We were hit! Turn perpendicular to the bullet, so our seesaw might avoid a future shot.
 	 */
 	public void onHitByBullet(HitByBulletEvent e) {
 		turnLeft(90 - e.getBearing());
 	}
-}												
+}