// https://editor.p5js.org/codingtrain/sketches/A92PDk-1z

// 11.3 The Pixel Array

​

// The Coding Train / Daniel Shiffman

// The Pixel Array

// https://www.youtube.com/watch?v=nMUMZ5YRxHI

​

function setup() {

  createCanvas(320, 240);

  pixelDensity(1);

}

​

function draw() {

  background(51);

​

  loadPixels();

  for (let y = 0; y < height; y++) {

    for (let x = 0; x < width; x++) {

      var index = (x + y * width) * 4;

      pixels[index + 0] = x;

      pixels[index + 1] = random(255);

      pixels[index + 2] = y;

      pixels[index + 3] = 255;

    }

  }

  updatePixels();

}