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.start();

}

​

function draw() {

  background(220);

  s.setUniform("iChannel1", video);

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

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

  shader(s);

  rect(0,0,22,22);

}