ASCII Text Images - Vid

const density = '@ÑW#80$965432ba1?c7=!+;_-,:. ';

let vid;

​

function setup() {

  createCanvas(1200, 675);

  vid = createCapture(VIDEO);

  vid.hide();

  vid.size(16 * 5, 9 * 5);

}

​

function draw() {

  background(0);

  let w = width / vid.width;

  let h = height / vid.height;

​

  pixelDensity(1);

  vid.loadPixels(1);

​

  for (let j = 1; j < vid.height; j++) {

    for (let i = 1; i < vid.width; i++) {

      const pixelIndex = (i + j * vid.width) * 4;

      const r = vid.pixels[pixelIndex + 0];

      const g = vid.pixels[pixelIndex + 1];

      const b = vid.pixels[pixelIndex + 2];

      const avg = (r + b + g) / 3;

​

      strokeWeight(2);

      stroke(0, 255, 0);

      // fill(0, 255, 0);

      noFill();

      // square(i * w, j * h, w);

​

      const len = density.length;

      const charIndex = floor(map(avg, 0, 255, len, 0));

​

      // textStyle(BOLD);

      textSize(w * 1.5);

​

      textAlign(CENTER);

      text(density.charAt(charIndex), i * w + w * 0.5, j * h + h * 0.5);

    }

  }

}