let frame;

let walkers = [];

let layerCanvas;

let pacmanFinished = false;

let isThereImage = true;

​

function preload() {

  // Load your image here

  img = loadImage("assets/image.jpeg");

}

​

// pacman logic

let predatorPacman;

let regularPacmans = [];

let numRegularPacmans = 3;

​

function setup() {

  translate(0, 0);

​

  if (img === undefined) {

    // in case there is no image

    isThereImage = false;

    img = createImage(500, 500);

    img.loadPixels();

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

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

        // abstracting color of each pixel

        img.set(

          i,

          j,

          color(noise(i) * random(255), noise(j) * random(255), random(0, 120))

        );

      }

    }

    img.updatePixels();

  }

  createCanvas(img.width, img.height);

​

  walkers.push(new Walker(isThereImage));

​

  //pacman logic

  predatorPacman = new PredatorPacman();

  for (let i = 0; i < numRegularPacmans; i++) {

    regularPacmans.push(new RegularPacman());

  }

​

  frame = 0;

  background(255);

}

​

function draw() {

  for (let walker of walkers) {

    if (pacmanFinished) {

      walker.step();

      walker.display();

    }

  }

​

  // pacman logic

  if (regularPacmans.length > 0) {

    predatorPacman.move();

    predatorPacman.display();

​

    for (let i = regularPacmans.length - 1; i >= 0; i--) {

      let regularPacman = regularPacmans[i];

      regularPacman.move();

      regularPacman.display();

​

      // Check if the predator Pac-Man eats a regular Pac-Man

      let d = dist(

        predatorPacman.x,

        predatorPacman.y,

        regularPacman.x,

        regularPacman.y

      );

      if (d < predatorPacman.size / 2 + regularPacman.size / 2) {

        regularPacmans.splice(i, 1); // Remove eaten regular Pac-Man

      }

    }

    if (frame % 2 == 0 || regularPacmans.length == 0) {

      background(255);

    }

  } else {

    // if Pac-Man game finished, draw the generative art

    pacmanFinished = true;

    if (walkers.length < 3500) {

      walkers.push(new Walker(isThereImage));

    }

  }

​

  if (keyIsDown(ENTER)) {

    // hold on generative art

    noLoop();

  }

​

  frame++;

}

​