let vScale = 16;

​

let particles = [];

​

let slider;

​

function setup() {

  createCanvas(640, 480);

  pixelDensity(1);

  video = createCapture(VIDEO);

  video.size(width/vScale, height/vScale);

  for (let i = 0; i < 200; i++) {

    particles[i] = new Particle(random(width), random(height));

  }

  slider = createSlider(0, 255, 127);

  background(51);

}

​

function draw() {

  // background(51);

  video.loadPixels();

  for(let i = 0; i < particles.length; i++) {

    particles[i].update();

    particles[i].show();

  }

}

​