/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://dflab.sketchpad.cc/sp/pad/view/ro.T6DBoEgL3pg/rev.131
 * 
 * authors: 
 *   Ana

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// as instruções que estiverem dentro desta função setup() 
// correm uma vez quando o programa arranca

void setup() {  
    
    // tamanho da tela
    size(600, 600); 

    // cor de fundo
    background(255);
    
    frameRate(35);
} 

// as instruções que estiverem dentro desta função draw
// são executadas a cada novo frame

void draw() {

    noFill();
    rectMode(CENTER);
    sz = (frameCount % 1000) / 100.0;
    translate (width/10, height/10);
    rotate (TWO_PI * sz);    
    rect (200, 200, 100 * sz, 100 * sz);

}