​

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

​

function draw() {

  let x = width/2;

  let y = height/2;

  background(100);

  fill(255);

    circle(width/2, height/2, 300);

  stroke(0);

  line(x - 150, y, x + 150, y);

  text('π = 3.14159265359..., π = c / d (π = Circumference/ Diameter.)', 150, 100);

}