import java.util.*;
public class Game
{
    private EnemyShip enemy1;
    private EnemyShip enemy2;
    private EnemyShip enemy3;
    private PlayerShip player;
    Scanner keyboard =  new Scanner(System.in);

    public Game(int initialX)
    {
        player = new PlayerShip(initialX);
        enemy1 = new EnemyShip(0,1);
        enemy2 = new EnemyShip(-4,1);
        enemy3 = new EnemyShip(2,-1);
    }

    public Game()
    {
        System.out.println("Enemy #1");
        System.out.print("- Initial x position: ");
        int x = keyboard.nextInt();
        System.out.print("- Initial velocity: ");
        int y = keyboard.nextInt();
        enemy1 = new EnemyShip(x,y);

        System.out.println("Enemy #2");
        System.out.print("- Initial x position: ");
        int x1 = keyboard.nextInt();
        System.out.print("- Initial velocity: ");
        int y1 = keyboard.nextInt();
        enemy2 = new EnemyShip(x1,y1);

        System.out.println("Enemy #3");
        System.out.print("- Initial x position: ");
        int x2 = keyboard.nextInt();
        System.out.print("- Initial velocity: ");
        int y2 = keyboard.nextInt();
        enemy3 = new EnemyShip(x2,y2);

        player = new PlayerShip(0);     
    }

    public String toString()
    {
        return "Enemy("+enemy1.getPosition() +") Enemy("+enemy2.getPosition()+") Enemy("+enemy3.getPosition()+") Player["+player.getPosition()+", "+player.getPts()+ "pts]";
    }

    public int getPts()
    {
        int playerPts = player.getPts();
        return getPts();
    }

    public void movePlayer()
    {
        System.out.print("move: ");
        String s = keyboard.nextLine();
        char first = s.charAt(0);

        if(s.charAt(0) =='l' || s.charAt(0) == 'L')
        {
            player.moveLeft();
        }

        if(s.charAt(0) =='r' || s.charAt(0) == 'R')
        {
            player.moveRight();
        }
       
        if(s.charAt(0) =='f' || s.charAt(0) == 'F')
        {
            player.useWeapons();            //<------------이쪽부분 수정필요한거같아용
        }
    }

    public void moveEnemies()
    {
        enemy1.moveEnemy();
        enemy2.moveEnemy();
        enemy3.moveEnemy();
    }
}

public class EnemyShip
{
    private int x;
    private int direction;
    private int life;
    private boolean justHit;

    public EnemyShip(int initialX, int initialDirection)
    {
        x = initialX;
        direction = initialDirection;
        life = 10;
        justHit = false;
    }

    public int getPosition()
    {
        return x;
    }

    public int moveEnemy()
    {
        if(direction > 0)
        {
            if(x >= 6)
            {
                return x = x - 1;
            }
            return x = x+1;  
        }
        if(direction < 0)
        {
            if( x <= -6)
            {
                return x = x+1;
            }
            return x = x-1;
        }       
        return x = x;
    }
}
public class Gun
{
    private int x;
    private int power;
    private int points;
    private int bonus;
    private boolean justFired;

    public Gun(int X, int Power)
    {
        x = X;
        power = Power;
        points = 0;
        bonus = 1;
        justFired = false;     
    }

    public int getPts()
    {
        return points;
    }

    public int gunMove()
    {
        return x;
    }
   
}


public class PlayerShip
{
    private int x;
    private Gun gun1;
    private Gun gun2;

    public PlayerShip(int initialX)
    {
        x = initialX;
        gun1 = new Gun(x-1,5);
        gun2 = new Gun(x+1,5);
    }

    public int getPosition()
    {
        return x;
    }

    public int getPts()
    {
        return gun1.getPts();
    }

    public int moveLeft()
    {
        if( x > -5)
        {
            return x = x-1;
        }
        return x = x;
    }

    public int moveRight()
    {
        if(x < 5)
        {
            return x = x + 1;
        }
        return x = x;
    }
   
    public void useWeapons()  //<--이쪽부분도
    {
       
    }
}


---------------------
간단한 비행슈팅게임 과제 하는중인데요 여기가지 코드를 짯거든요
근데 이제 player 가 f 나 F 키를 눌렀을대 양쪽 무기앞에있는 적을 쏴서 적의 라이프를 무기 파워만큼 감소시키고 적이파괴되면 (life =0) 포인트를 얻는
법을 만들라고하는데 도저히 모르겠네요 ㅠㅠ방법좀없을까요