createCanvas(1000, 1000);

  noLoop();

  angleMode(DEGREES);

}

​

function buildArray(n, fillFunction) {

  let outputArray = [];

  for (let i = 0; i < n; i++) {

    outputArray.push(fillFunction(i));

  }

  return outputArray;

}

​

function randomInteger(min, max) {

  return Math.floor(min + (max - min) * Math.random());

}

​

function pick(inputArray) {

  return inputArray[randomInteger(0, inputArray.length)];

}

​

let randomColorNumbers = buildArray(100, (i) =>

  Math.floor(Math.random() * 255)

);

​

let someSizes = buildArray(5, (i) => 20 + i * 20);

​

console.log(someSizes);

​

function draw() {

  background(220);

  for (let i = 0; i < 25; i++) {

    fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

    rect(300 + 2 * 20 + i * 20, 2 * 190, 2 * 10, 2 * 10);

  }

  //fill("pink")

  //fill(0 - 50, 179 - 50, 80 - 50);

  fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

  circle(100, 100, someSizes[4]);

  fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

  circle(100, 100, someSizes[3]);

  fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

  circle(100, 100, someSizes[2]);

  fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

  circle(100, 100, someSizes[1]);

  fill(

      pick(randomColorNumbers),

      pick(randomColorNumbers),

      pick(randomColorNumbers)

    );

  circle(100, 100, someSizes[0]);

}

​