bugs: [],

  numBugs: 500, 

  birds: [],

  numBirds: 750

};

​

function preload() {

  mySound = loadSound('For IA2.mp3');

}

​

function setup() {

  noStroke()

  createCanvas(1280, 720);

  mySound.setVolume(0.75);

  mySound.play();

  // Create objects

  for (let i = 0; i < space.numBugs; i++) {

  let bug = new Jitter();  

  space.bugs.push(bug);

  }

  for (let i = 0; i < space.numBirds; i++) {

  let bird = new Bird();  

  space.birds.push(bird);

  }

}

​

function draw() {

  background(0);

  for (let i = 0; i < space.numBugs; i++) {

  let bug = space.bugs[i];

  bug.move();

  bug.display();

  }

  for (let i = 0; i < space.numBirds; i++) {

  let bird = space.birds[i];

  bird.move();

  bird.display();

  }

}

​

// Jitter class

class Jitter {

  constructor() {

    this.x = random(0,width);

    this.y = random(0,height);

    this.diameter = random(-10, 40);

    this.size = 1;

    this.speed = 0.5;

    this.color = {

    r: random(100,110),

    g: random(100,110),

    b: random(100,110)

    }

  }

​

  move() {

    this.x += random(-this.speed, this.speed);

    this.y += random(-this.speed, this.speed);

  }

​

  display() {

    let d = dist(this.x, this.y, mouseX, mouseY);

    this.color = {

    r: map(d, 200, 0, 0, 255),

    g: map(d, 125, 0, 0, 0),

    b: map(d, 225, 0, 1, 0)

  };

    this.color.r = this.color.r + map(d, 200, 100, 75, 200);

    this.color.b = this.color.b + map(d, 250, 100, 75, 0);

    this.diameter = this.diameter + map(d, 150, 1000, -10, 10);

    this. diameter = constrain(this.diameter, -10, 150);

    fill(this.color.r,this.color.g,this.color.b);

    ellipse(this.x, this.y, this.diameter, this.diameter);

  }

}

​

// bird class

class Bird {

  constructor() {

    this.x = random(100,1500);

    this.y = random(300,1200);

    this.maxSpeed = random(2.5,4.5);

    this.diameter = random(4,6);

    this.vx = 0;

    this.vy = 0;

    this.ax = 0;

    this.ay = 0;

    this.acceleration = random(0.03,0.06);

    this.color = {

    r: 75,

    g: 75,

    b: 75

    }

  }

​

  move() {

  if (this.y > height) {

      this.y = this.y - height;

    }

    if (this.y < 0) {

      this.y = this.y + height;

    }

    if (this.x > width) {

      this.x = this.x - width;

    }

    if (this.x < 0) {

      this.x = this.x + width;

    }    

  if (mouseX > this.x) {

    this.ax = this.acceleration;

  }

  else if (mouseX < this.x) {

    this.ax = -this.acceleration;

  }

​

  if (mouseY > this.y) {

    this.ay = this.acceleration;

  }

  else if (mouseY < this.y) {

    this.ay = -this.acceleration;

  }  

  this.vx = this.vx + this.ax;

  this.vx = constrain(this.vx, -this.maxSpeed, this.maxSpeed);

  this.vy = this.vy + this.ay;

  this.vy = constrain(this.vy, -this.maxSpeed, this.maxSpeed);

  this.x = this.x + this.vx;

  this.y = this.y + this.vy;

  }

  disperse() {

    this.acceleration = -this.acceleration;

  }

​

  display() {

    let d = dist(this.x, this.y, mouseX, mouseY);

    this.color = {

    r: map(d, 175, 0, 120, 255),

    g: map(d, 175, 0, 120, 255),

    b: map(d, 175, 0, 120, 255)

  };

    fill(this.color.r,this.color.g,this.color.b);

    ellipse(this.x, this.y, this.diameter, this.diameter);

  }

}

​

function mousePressed() { 

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

    let bird = space.birds[i];

    bird.disperse();

  }

}