​

let xOffset = 75;

let xSpacing = 25;

​

let yOffset = 25;

let ySpacing = 100;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  noLoop();

}

​

function draw() {

  background(220, 0, 150);

​

  for (let xPos = xOffset; xPos <= width - xOffset; xPos += xSpacing) {

    for (let yPos = yOffset; yPos <= height - yOffset; yPos += ySpacing) {

      ellipse(xPos, yPos, cDiam);

    }

  }

}

​