createCanvas(400, 300);

  capture = createCapture(VIDEO);

  capture.size(400,300);

  capture.hide();

}

​

function draw() {

  background("white");

  capture.loadPixels();

  let gap = 10;

​

  for(let i = 0; i < capture.width; i += gap){

    for(let j = 0; j < capture.height; j += gap){

      let index = (j * capture.width + i ) * 4;

      let red = capture.pixels[index];

      let green = capture.pixels[index+1];

      let blue = capture.pixels[index+2];

      let alpha = capture.pixels[index+3];

      noStroke();

      let val = map(red,0,255,0,6);

      let col1 = "";

      if (val>5){

        col1 = "yellow";

      } else if(val>4){

        col1 = "red";

      }else if (val>3){

        col1 = "beige";

      }else if (val>2){

        col1 = "blue";

      }else if (val>1){

        col1 = "purple";

      }else if (val >0){

        col1 = "black";

      }

        fill(col1);

    ellipse(i,j,gap - 2);

    }

​

  }

}

      function keyPressed() {

      if (key == "s") {

        saveGif("capture.gif", 5);

      }

}