​

let video;

​

function preload(){

​

  s = loadShader('s.vert', 's.frag');

}

​

function setup() {

  createCanvas(window.innerWidth,window.innerHeight,WEBGL);

   video = createCapture({

    audio: false,

    video: {

      facingMode: "environment"

    }

  });

  video.hide();

}

​

function draw() {

  background(220);

  s.setUniform("time", millis()*.001);

  s.setUniform("iChannel1", video);

  s.setUniform("iMouse", [mouseX/width,mouseY/height]);

  s.setUniform("resolution", [width,height/2]);

  shader(s);

  rect(0,0,22,22);

}