let countdown;

​

function setup() {

  createCanvas(400, 400);

  angleMode(DEGREES);

}

​

function draw() {

  background(0);

  translate(200, 200);

  rotate(-90);

  let currentTime = (millis() / 1000);

  countdown = timeLimit - currentTime;

  if (countdown < 0) countdown = 0;

  //let sc = second();

  strokeWeight(4);

  noStroke();

  //let a = map(countdown, 60, 0, 255, 0);

  let r = map(countdown, timeLimit, 0, 0, 225);

  let g = map(countdown, timeLimit, 0, 255, 0);

  let b = map(countdown, timeLimit, 0, 234, 255);

  fill(r, g, b);

  //let scAngle = map(sc, 0, 60, 0, 360);

  let cdAngle = map(countdown, timeLimit, 0, 360, 0);

  //arc(0, 0, 300, 300, 0, scAngle, PIE);

  arc(0, 0, 300, 300, 0, cdAngle, PIE);

  // fill(255);

  // noStroke();  

  // text(sc, 10, 200);

}