int wheelR = 300;
float turn = 1; // wheel turns this 1/turn times per frame
float rotation;

void setup() {
  size(600,600);
  frameRate(24); //the rate the camera takes pictures at
  textAlign(CENTER);
  ellipseMode(CENTER);
  strokeWeight(20);
}

void draw() {
  fill(255);
  background(0);
  rotation = frameCount / turn; // if rotation is one, we did a full spin
  println(rotation);
  pushMatrix();
  translate(width/2, height/2);
  rotate(rotation * TWO_PI);
  ellipse(0,0, wheelR*2, wheelR*2);
  for (int i = 0; i < 5; i++) {
    // uncomment to draw the fist spoke in a different color
    // if (i == 0) {
    //   stroke(255, 0, 200);
    // } else {
    //   stroke(0);
    // }
    //
    line(0, 0, 0, -wheelR); //draws the first spoke upwards
    rotate(TWO_PI*1/5);
  }
  popMatrix();
  textSize(33);
  text("1/"+ int(turn), 63, 33);
  text(frameCount % 24, width-63, 33);
}

void mousePressed() {
  turn++; // increase turn every click so rotation gets slower
}