Original by jesse_harding: https://editor.p5js.org/jesse_harding/sketches/WpONQ8o6u

*/

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(0);

  noStroke();

​

  // r, g, b, alpha

  fill(255, 255, 100, 4);

  for (i = 0; i < 100; i++) {

    circle(200, 200, i);

  }

}

​