rotate_center

gistfile1.pde

int counter;

void setup(){
  size(900, 900);
  //frameRate(10);
  counter = 0;
}

void draw(){
  background(255);
  for(int i=0; i<300; i++){
    pushMatrix();
    translate(width/2, height/2);
    rotate( radians( map(counter, 1, 10, 0, 360) ) );
    rectMode(CENTER);
    noStroke();
    fill(random(100), random(100,255), random(100,255), 90);
    rect(0,0,400,400);
    rectMode(CORNER);
    popMatrix();
    counter++;
  }
}