let button;

​

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  //background(51);

  video = createCapture(VIDEO); //access live webcam

  video.hide();

  //button = createButton('snap'); //create a button called "snap"

  //button.mousePressed(takesnap); //when the button is pressed, call the function called "takesnap"

}

​

function mousePressed() {

  image(video,  0, 0, width, video.height*width/video.width); //draw the image being captured on webcam onto the canvas at the position (0, 0) of the canvas

}

​

​

​

​