ListRainn.java

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Random;

import javax.imageio.ImageIO;

public class Rain extends GameObjects {

	private int yPos; // xPos, width, height;  <- useless
	Random rnd = new Random();
	int rockY = 10;
	int rockX = rnd.nextInt(450);
	ArrayList<Object> rain = new ArrayList<Object>(); // rain(y, x, color, y, x, color)
	//Object[] colors = {Color.black, Color.yellow, Color.blue, Color.red, Color.orange};

	@Override
	void draw(Graphics g) {

		g.clearRect(0, 0, 500, 500);
		
		if (rain.size() < 20) {
			try {
				rain.add(10);
				rain.add(rnd.nextInt(450));
				rain.add(ImageIO.read(new File("rock.png")));
			} catch (IOException e) {
				System.out.println("PROBLEM WITH ROCK.PNG");
			}			
		}
		for (int i = 0; i < rain.size(); i+=3) 
		{
			g.drawImage((Image)rain.get(i+2), (int)rain.get(i+1), (int)rain.get(i), null);
			rain.set(i, ((int)rain.get(i))+1);
		}
		try {
			Thread.sleep(10);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		}	

	@Override
	void update() {

	}

}