// cc teddavis.org 2020

​

let glitch;

let fishPath = 'fish.png';

​

function setup() {

    createCanvas(windowWidth, windowHeight);

    background(0);

    imageMode(CENTER);

​

    glitch = new Glitch();

    // glitch.debug(); // debug info

​

    glitch.pixelate(.8); // hard pixels

    // glitch.errors(false); // no error messages

​

    // test loadBytes w/ callback

    glitch.loadBytes(fishPath, function() {

        glitch.randomBytes(50); // 50 random bytes

        // glitch.saveBytes('fish_glitch.png'); // toggle saveBytes()

    });

​

    glitch.loadType('jpg');

    glitch.loadQuality(.96)

​

    glitch.loadImage(fishPath); // glitch loadImage()

    loadImage(fishPath, function(img) {

        glitch.loadImage(img); // from p5.js loadImage()

    });

​

    glitch.debug(false); // turn off before draw()!

}

​

function draw() {

    glitch.resetBytes(); // fresh bytes

    glitch.limitBytes(.4, .8) // limit bytes

    glitch.randomByte(52) // single random

    glitch.randomBytes(5) // 5 random

    glitch.randomBytes(5, 150) // 5 random pos, exact val

    glitch.replaceByte(53, 255); // single replace

    glitch.replaceBytes(123, '7c'); // all replace

    glitch.replaceHex('ffdb00430101', 'ffdb00430155');

    glitch.swapBytes(88, 100); // swap values

    glitch.buildImage();

    image(glitch.image, width / 2, height / 2)

}

​

function keyPressed() {

    if(key === 'I') { // image raw

        glitch.saveImage('fish_glitched');

    } else if(key === 'S') { // image safe

        glitch.saveSafe('fish_glitched');

    } else if(key === 'C') { // canvas

        glitch.saveCanvas('fish_glitched');

    }

}