Monochrome Fireworks

let particles;

let recursions;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255);

  colorMode(HSL);

  particles = [];

}

​

function draw() {

  background(0, 0, 100);

  // Uncomment (or comment) line 11 for a different effect

  recursions = round(random(3, 7));

  for(let i = 0; i < recursions; i++) {

    particles.push(new Particle(random(mouseX - 10, mouseX + 10), random(mouseY - 10, mouseY + 10)));

  }

  particles.forEach(d => d.display());

  particles.forEach(d => d.move());

}

​

function mousePressed() {

  background(255);

  particles = [];

}

​