​

let iNum = 20;

let jNum = 20;;

​

let xGap = 20;

let yGap = 20;

let rNum = 50;

​

let unitCircles = []; 

​

function setup() {

  createCanvas(400, 400);

​

  for (let i = 0; i <= iNum; i++) {

    for (let j = 0; j <= jNum; j++) {

      unitCircle = new UnitCircle(xGap * i, yGap * j, rNum);

      unitCircles.push(unitCircle);

    }

  }

}

​

function draw() {

  background(0, 0, 255);

​

  for (let unitCircle of unitCircles) {

    unitCircle.update();

    unitCircle.show();

  }

}

​

function setLineDash(list) {

  drawingContext.setLineDash(list);

}

​