function setup() {

  createCanvas(400, 300);

  myCam = createCapture(VIDEO);

  myCam.hide();

}

​

function draw() {

  background(220);

  //for flipping your camera feed

  push();

  translate(width, 0); // move to top right corner

  scale(-1.0, 1.0); // flip x-axis backwards

  image(myCam, 0, 0, width, height);

  pop();

}

​