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package fi.jamk.balls;

import java.awt.Graphics;
import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JPanel;

/**
 *
 * @author G8482
 */
public class BallsDemo extends JFrame implements Runnable{
    private Ball ball;
    private Thread thread;
    private final int WIDTH = 800;
    private final int HEIGHT = 600;
    private ArrayList<Ball> balls;
    private final int BALLS = 1000;

    public BallsDemo() {
        super("BallsDemo");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(WIDTH, HEIGHT);
        setResizable(false);

        //this.ball = new Ball(WIDTH,HEIGHT);
        balls = new ArrayList<>();
        for (int i=1;i<=BALLS;i++) {
            balls.add(new Ball(WIDTH, HEIGHT));

        }
        getContentPane().add(new Piirtopaneeli());
        // luodaan uusi säie ohjelmaan
        this.thread = new Thread(this);
        this.thread.start();
    }

    // tämä run metodi suoritetaan omassa säikeessä
    // EI siis samassa kuin main-metodi
    @Override
    public void run() {
        while(true) {
           // game engine
            // ball.move();
            for (Ball ball : balls) ball.move();
            // piirrä näyttö uudelleen
            repaint();
            // huilataan hetki
            try {
            Thread.sleep(10);
            } catch (InterruptedException e) {

            }
        }
    }

    public static void main(String args[]) {
        new BallsDemo().setVisible(true);
    }

    // luokka toteuttaa JPanelin, jonka avulla piirretään "peliä" näytölle
    class Piirtopaneeli extends JPanel {
        @Override
        public void paintComponent(Graphics g) {
          super.paintComponent(g);
         // g.fillOval(ball.getX(), ball.getY(), ball.getSize(), ball.getSize());
        for (Ball ball : balls) {
            g.setColor(ball.getColor());
            g.fillOval(ball.getX(), ball.getY(), ball.getSize(), ball.getSize());
        }
        }
    }
}