public void moveForward(){
		if(direction.equals("n")==true){
			this.y -= this.bulletSpeed;
			if (y < 0)
				currState = false;
		}
		else if(direction.equals("l")==true){
			this.x -= this.bulletSpeed;
			if (x < 0)
				currState = false;
		}
		else if(direction.equals("r")==true){
			this.x += this.bulletSpeed;
			if (x > 600)
				currState = false;
		}
		else if(direction.equals("s")==true){
			this.y += this.bulletSpeed;
			if (y > 500)
				currState = false;
		}
	}