import java.awt.Color;

import java.awt.Toolkit;

import javax.swing.JFrame;

/**

* Example simulation of animated objects.

*/

public class Sim2 {

/**

* Test program that draws a few polygons.

*

* @param args command-line arguments

*/

public static void main(String[] args) {

// create some regular polygons

BlinkingPolygon bp = new BlinkingPolygon(3, 20, Color.BLUE);

MovingPolygon mp = new MovingPolygon(8, 30);

RotatingPolygon rp = new RotatingPolygon(5, 40);

// move them out of the corner

bp.translate(50, 50);

mp.translate(100, 100);

rp.translate(200, 200);

// create drawing, add polygons

Drawing drawing = new Drawing(800, 600);

drawing.add(bp);

drawing.add(mp);

drawing.add(rp);

// set up the window frame

JFrame frame = new JFrame("Drawing with Thread.sleep");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.add(drawing);

frame.pack();

frame.setVisible(true);

// main simulation loop

Toolkit toolkit = frame.getToolkit();

while (true) {

// update the drawing

toolkit.sync();

drawing.step();

// delay the simulation

try {

Thread.sleep(1000 / 30);

} catch (InterruptedException e) {

// do nothing

}

}

}

}