import processing.core.*; 

import java.applet.*; 
import java.awt.*; 
import java.awt.image.*; 
import java.awt.event.*; 
import java.io.*; 
import java.net.*; 
import java.text.*; 
import java.util.*; 
import java.util.zip.*; 
import java.util.regex.*; 

public class Scale extends PApplet {

/**
 * Scale 
 * by Denis Grutze. 
 * 
 * Paramenters for the scale() function are values specified 
 * as decimal percentages. For example, the method call scale(2.0) 
 * will increase the dimension of the shape by 200 percent. 
 * Objects always scale from the origin. 
 */
 
float a = 0.0f;
float s = 0.0f;

public void setup()
{
  size(200,200);
  noStroke();
  rectMode(CENTER);
  frameRate(30);
}

public void draw()
{
  background(102);
  
  a = a + 0.04f;
  s = cos(a)*2;
  
  translate(width/2, height/2);
  scale(s); 
  fill(51);
  rect(0, 0, 50, 50); 
  
  translate(75, 0);
  fill(255);
  scale(s);
  rect(0, 0, 50, 50);       
}

  static public void main(String args[]) {
    PApplet.main(new String[] { "Scale" });
  }
}