public class EnemyBullet extends Enemy
{
    int MOVE_VAL = 4;
    int BULL_SIZE = 25;
    
    // // This is the constructor of the EnemyBullet
    public EnemyBullet()
    {
        getImage().scale(BULL_SIZE, BULL_SIZE);
    }
    /**
     * Act - do whatever the EnemyBullet wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        // This makes the bullet move
        setLocation(getX(), getY() + MOVE_VAL);
        
         // this determines whether the bullet hits the enemy and removes it 
        Mizuki m = (Mizuki) getOneIntersectingObject(Mizuki.class);
        Bunker b = (Bunker) getOneIntersectingObject(Bunker.class);
        if (m != null)
        {
          // Decrease Mizuki's life count by 1
          m.lives--;
          getWorld().removeObjects(getWorld().getObjects(MizukiLife.class));
          // Redraw Mizuki's ships
          for (int x = 0; x < m.lives; x++)
          {
                getWorld().addObject(new MizukiLife(),44 + 80*x,909);
            }
          // Removes Mizuki and goes to the lose screen if out of lives
          if (m.lives == 0)
          {
           getWorld().removeObject(m); 
           Greenfoot.setWorld(new SinglePlayerLose());
          }
          // Remove the enemy bullet
          getWorld().removeObject(this);  
        }
        // this determines if the bullet hit a bunker
        else if (b != null)
        {
          getWorld().removeObject(b); 
          getWorld().removeObject(this);  
        }
        // this makes the bullet disappear once it reaches the border
        else if (getY() > 940) 
        {
          getWorld().removeObject(this);   
        }
        
    }    
}