Clock

int cx, cy;

float secondR;

float minuteR;

float hoursR;

​

void setup() {

  size(650, 350);

  stroke(255);

​

  int radius = min(width, height) / 2;

  secondR = radius * 0.72;

  minuteR = radius * 0.60;

  hoursR = radius * 0.50;

​

  cx = width / 2;

  cy = height / 2;

}

​

void draw() {

  background(255);

  float s = map(second(), 0, 60, 0, TWO_PI) - HALF_PI;

  float m = map(minute() + norm(second(), 0, 60), 0, 60, 0, TWO_PI); 

  float h = map(hour() + norm(minute(), 0, 60), 0, 24, 0, TWO_PI * 2);

  stroke(0);

  strokeWeight(0);

  float One = 100-pow(s, 4)*3.5;

  float Two =  200-pow(s, 5)*10;

  float Three = pow(s, 6);

  if (One < 0) {

    One = 0;

  }

  if (Two < 0) {

    Two = 0;

  }

  if (Three > 150) {

    Three = 200;

  }

  float OneOne = 100-pow(s, 4)*3.5;

  float TwoOne =  200-pow(s, 5)*10;

  float ThreeOne = pow(s, 6);

  if (OneOne < 0) {

    OneOne = 0;

  }

  if (TwoOne < 0) {

    TwoOne = 0;

  }

  if (ThreeOne > 150) {

    ThreeOne = 200;

  }

  fill (One, Two, Three);

  ellipse(cx, cy, cx + cos(s) * secondR, cy + sin(s) * secondR);

  strokeWeight(2);

  rectMode(CORNERS);

  fill (Three,Two,One);

  rect(cx, cy, cx + cos(m) * minuteR, cy + sin(m) * minuteR);

  strokeWeight(4);

  line(cx, cy, cx + cos(h) * hoursR, cy + sin(h) * hoursR);

}

​