// The Coding Train / Daniel Shiffman

// https://thecodingtrain.com/CodingChallenges/166-ascii-image.html

// https://youtu.be/55iwMYv8tGI

​

// ASCII video: https://editor.p5js.org/codingtrain/sketches/KTVfEcpWx

// ASCII image canvas: https://editor.p5js.org/codingtrain/sketches/r4ApYWpH_

// ASCII image DOM: https://editor.p5js.org/codingtrain/sketches/ytK7J7d5j

// ASCII image source text: https://editor.p5js.org/codingtrain/sketches/LNBpdYQHP

// ASCII image weather API: https://editor.p5js.org/codingtrain/sketches/DhdqcoWn4

​

​

const density = 'Ñ@#W$9876543210?!abc;:+=-,._ ';

let gloria;

​

function preload() {

  gloria = loadImage("gloria20.jpg");

}

​

function setup() {

  createCanvas(400, 400); 

}

​

function draw() {

  background(0);

  let w = width / gloria.width;

  let h = height / gloria.height;

  gloria.loadPixels();

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

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

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

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

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

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

      const avg = (r + g + b) / 3;

      noStroke();

      fill(255);

      //square(i * w, j * h, w);

      const len = density.length;

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

      textSize(w);

      textAlign(CENTER, CENTER);

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

    }

  }

}