​

let kois = [];

let len;

let feeds = [];

const numKois = 20;

​

function setup() {

  //createCanvas(600, 600);

  createCanvas(windowWidth, windowHeight);

​

  // kois

  scaleFishSizes(0.6);

  const di = TWO_PI / numKois;

  for (let i = 0; i < TWO_PI; i += di) {

    const x = width / 2 + cos(i) * 100;

    const y = height / 2 + sin(i) * 100;

    //kois.push(new Fish(x, y, random(5, 30)));

    kois.push(new Fish(x, y));

  }

  len = kois.length;

}

​

function draw() {

  background(0);

​

  // kois

  for (let i = 0; i < len; i++) {

    kois[i].update(feeds);

    kois[i].show();

  }

​

  // feed

  for (let i = 0; i < feeds.length; i++) {

    feeds[i].update(kois);

    feeds[i].show();

  }

  // clearing feed

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

    if (feeds[i].getIsEaten()) {

      feeds.splice(i, 1);

    }

  }

}

​

function mousePressed() {

  feeds.push(new Feed(mouseX, mouseY, 10));

}