package G1.particles;

import java.awt.Canvas;
import java.awt.Graphics;
import java.util.Random;

import javax.swing.JApplet;

/* Osnovne skracenice (shortcuts):
 * ctrl+space = Autocomplete - probajte cim pocnete da kucate nesto, pomaze!
 * ctrl+shift+F = Autoformat
 * ctrl+shift+O = Autoimport - svega sto nije ukljuceno, a referise se
 * ctrl+shift+G = Pretraga svih pojavljivanja obelezene reference
 * 
 */

public class ParticleApplet extends JApplet {

	public ParticleApplet() {

	}

	@Override
	public void init() {
		// TODO Auto-generated method stub
		super.init();
		setSize(500, 500);
		add(new ParticleCanvas(1000));
	}
}

class ParticleCanvas extends Canvas {
	private Random randGen = new Random();
	private Particle[] particles;

	public ParticleCanvas(int n) {
		setSize(500, 500);
		particles = new Particle[n];
		for (int i = 0; i < n; i++)
			particles[i] = new Particle(randGen.nextInt(500),
					randGen.nextInt(500));
	}

	@Override
	public void paint(Graphics g) {
		super.paint(g);
		for (Particle p : particles) {
			g.fillOval(p.getX(), p.getY(), 5, 5);
		}
	}
}

class Particle {
	private int x;
	private int y;

	public Particle(int x, int y) {
		super();
		this.x = x;
		this.y = y;
	}

	public int getX() {
		return x;
	}

	public int getY() {
		return y;
	}

}