// 3 keywords for declaring a variable:

// const, var, let

// we will use 'let'

let xOffset = 20;

let yOffset = 10;

let yDelta = 0.1; // delta is a greek letter that means CHANGE!

let spacing = 2; // distance between circles' centers

let w = 4; // width of circles 

​

function setup() {

  createCanvas(400, 400);

  //console.log(count); // before we used console.log to check mouseX and Y

  noLoop(); // amke it so the draw loop function runs only once.

}

​

function draw() {

  background(220);

​

// i is an index of our repetions

 for (let i = 0;i < 100; i = i +1) {

  circle(xOffset+spacing*i,yOffset+yDelta*i,w);

  }

}