Problem Page 2.1

import java.awt.Image;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.ImageIcon;


public class Asteroid {
        static ArrayList asteroids;

        int x,y;
        Image img;
        Random number;
        boolean destroyed = false;
        int hp=100;

        public Asteroid(){
                ImageIcon asteroidImage = new ImageIcon("Asteroid.png");
                img = asteroidImage.getImage();
                x=RandomPos.randomPosition(30, 630);
                y=RandomPos.randomPosition(-200,0);
                destroyed = false;



        }


        public void move(){
                y+=1;
                if(y>500){
                        y=-100;
                }
        }

        public void playerCollision(int playerX,int playerY){
                if((playerX-10<=x&&playerX+10>=x)&&(playerY-10<=y&&playerY+10>=y)){
                        hp-=50;
                        if(hp==0){
                                destroyed=true;
                        }
                }
        }
        public void bulletCollision(int bulletX,int bulletY){
                if((bulletX-10<=x&&bulletX+10>=x)&&(bulletY-10<=y&&bulletY+10>=y)){
                        hp-=50;
                        if(hp==0){
                        destroyed=true;
                        }
                }
        }





        public static ArrayList getAsteroids() {
                return asteroids;
        }







        public Image getImage() {
                return img;
        }


        public int getX() {
                return x;
        }
        public void setX(int x) {
                this.x = x;
        }
        public int getY() {
                return y;
        }
        public void setY(int y) {
                this.y = y;
        }
        public boolean isDestroyed() {
                return destroyed;
        }










        public static void main(String[] args){
                for (int i = 0; i < 10; i++) {
                        Asteroid asteroid = new Asteroid();
                        asteroids.add(asteroid);

                }
        }

}