​

function setup() { 

  createCanvas(320, 240);

  capture = createCapture(VIDEO);

  capture.size(320, 240);

  noStroke();

  frameRate(200);

  background(0);

} 

​

function draw() {

  capture.loadPixels();

  // var i = int(random(width*height));

  i = mouseY*width + mouseX;

  var r = capture.pixels[i*4];

  var g = capture.pixels[(i*4)+1];

  var b = capture.pixels[(i*4)+2];

  fill(r, g, b);

  var x = i % width;

  var y = int(i / width);

  //ellipses

  // var radius = int(random(3, 10));

  // ellipse(x, y, radius, radius);

  //lines

  stroke(r,g,b);

  strokeCap(SQUARE);

  strokeWeight(random(1, 4));

  push();

  angleMode(DEGREES);

  translate(x, y);

  rotate(random(0, 360));

  var length = random(2, 10);

  line(-length, 0, length, 0);

  pop();

}