changed movement behaviour in Player

src/main/java/pacmanGame/Player.java

@@ -4,6 +4,7 @@ public class Player {
 	public Vector2 position;
 	public Vector2 direction;
 	public GameManager gameManager;
+	public Vector2 oldDirection;
 	
 	public Player(GameManager gameManager) {
 		this.gameManager = gameManager;
@@ -14,20 +15,25 @@ public class Player {
 	public void Spawn() {
 		position = gameManager.map.playerSpawn;
 		direction = new Vector2(0, -1);
+		oldDirection = direction;
 	}
 	
 	public void Move() {
 		Vector2 newPosition = position.Add(direction);
-		
 		boolean newPosIsWall = gameManager.map.GetCell(newPosition).type.equals("wall");
 		
 		if(!newPosIsWall) {
 			position = newPosition;
 		}
+		else if(oldDirection != direction) {
+			direction = oldDirection;
+			Move();
+		}
 		gameManager.updatePlayerCell();
 	}
 	
 	public void processInput(char inputchar) {
+		oldDirection = direction;
 		
 		if(inputchar == 'w') {			
 			direction = new Vector2(0,1);