fps_test.pde

void setup() {
  size(600, 480);
}

void draw() {
  float x = random(0, width);
  float y = random(0, height);
  float l = random(0, width / 5); 

  float r = random(0, 255);
  float g = random(0, 255);
  float b = random(0, 255);

  fill(r, g, b);
  ellipse(x, y, l, l);

  textSize(16);
  
  fill(#000000);
  rect(0, 0, 160, 30);

  fill(#ffffff);
  text("fps=" + frameRate, 10, 20);
}