float diameter = 100;  // declare our variable and give it an initial value

void setup() {
  size(400,400);
  smooth();
  frameRate(10);
  background(0);
}

void draw() {
  background(0);
  diameter = random(50,150);
  ellipse(100,100, diameter,diameter);
  ellipse(150,300, diameter,diameter);
  ellipse(300,150, diameter,diameter);
}

// START NO NOTES
// code used to capture screenshots
void keyReleased() {
  if(key == '`' && !online) save("sketch.png");
}