​

let howMany;

​

let pianoClip;

let pianoClip2;

​

let clips = [];

​

let spacing;

​

let osc ,env, decTime;

​

let oscTimer, oscTimerMax;

​

let size;

​

function preload() {

​

  clips.push(loadSound("shortPianoC.mp3"));

  clips.push(loadSound("shortPianoG.mp3"));

  clips.push(loadSound("shortPianoE.mp3"));

  clips.push(loadSound("shortPianoB.mp3"));

​

​

}

​

function setup() {

  createCanvas(400, 400);

  smooth(.5);

  colorMode(HSB);

  spacing = 7;

  howMany = 5;

​

  for (let i = 0; i < howMany; i++) {

    myFireflies.push(new Firefly(random(1, 10), random(width), random(height)));

  }

​

​

  noStroke();

​

  background(10);

  //toggleNormalize(1);

​

}

​

function keyPressed() {

  myFireflies.push(new Firefly(random(1, 10), 0, 0));

  print("hi");

​

}

​

​

function draw() {

  howMany = myFireflies.length;

​

  //background(250);

  background(10);

​

  for (let i = 0; i < howMany; i++) {

    myFireflies[i].update();

    myFireflies[i].display();

    myFireflies[i].playSound();

    myFireflies[i].multiply();

  }

​

}

​

class Firefly {

​

  constructor(tmass, tx, ty) {

    this.mass = tmass;

    this.pos = createVector(tx, ty);

    this.vel = createVector(10, 10);

    this.acc = createVector(0, 0);

    this.mScale = 1;

​

    this.drag = createVector(0.5, 0.5);

​

​

​

    this.c = color(random(0, 255), 200, 200);

​

    //Movement

​

    this.timer = 0;

    this.timeMax = 100;

    this.speed = 10;

    this.myForce = createVector(random(-this.speed, this.speed), random(-this.speed, this.speed));

​

    //Sound

​

    this.clip = clips[round(random(0, 3))];

​

​

    this.env = new p5.Envelope();

    this.env.setADSR(0.005, 0.01, 0, 0.01);

    this.env.setRange(1, 0);

​

    this.osc = new p5.Oscillator();

    this.osc.setType('sine');

    this.osc.amp(this.env);

​

    //this.osc.start();

    this.osc.freq(800);

​

    this.oscTimer = 0;

    this.oscTimerMax = 0;

​

    this.freqLow = random(600, 800);

    this.freqHigh = random(900, 1000);

​

    //multiplication

    this.spawned = false;

    this.lifeTimer =0;

    this.jump();

​

  }

​

  applyForce(force) {

    let f = p5.Vector.div(force, this.mass);

    this.vel.add(f);

  }

​

  update() {

​

    //fill(255,20,40);

    fill(this.c);

    ellipse(mouseX, mouseY, spacing, spacing);

​

​

    this.vel.div(1.02);

    this.pos.add(this.vel);

    this.acc.mult(0);

​

​

    this.timer++;

​

    if (this.timer > this.timeMax) {

      this.jump();

    }

​

​

    //PACMANING

    if (this.pos.x < 0) {

      this.pos.x = width;

    }

​

    if (this.pos.x > width) {

      this.pos.x = 0;

    }

​

    if (this.pos.y < 0) {

      this.pos.y = height;

    }

​

    if (this.pos.y > height) {

      this.pos.y = 0;

    }

    ///

​

  }

  jump()

  {

    this.timer = 0;

​

      this.speed = random(4, 20);

      this.myForce = createVector(random(-this.speed, this.speed), random(-this.speed, this.speed));

​

      this.vel = this.myForce;

      this.timeMax = ceil(random(80, 120));

      //this.clip.play();

  }

​

  display() {

    //fill(240,200,0);

    fill(this.c);

    this.size = map(this.vel.mag(), 0, 15, 15, 5)

    this.size = constrain(this.size, 5, 15);

​

    ellipse(this.pos.x, this.pos.y, this.size, this.size);

  }

  playSound() {

​

    this.oscTimerMax = map(this.vel.mag(), 0, 10, 30, 17);

​

    //original frequency range is 900 to 1600

    this.osc.freq(map(this.vel.mag(), 0, 10, this.freqLow, this.freqHigh));

​

    this.mappedMaxVol = map(this.size,1,20,0.1,0.4); 

    this.clip.setVolume(map(this.vel.mag(), 0, 10, 0.1, this.mappedMaxVol));

​

    this.oscTimer++;

​

    if (this.oscTimer > this.oscTimerMax) {

​

      this.clip.play();

      this.clip.pan(map(this.pos.x, 0, width, -1.0, 1.0));

​

​

      this.osc.pan(map(this.pos.x, 0, width, -1.0, 1.0));

      this.env.play();

      this.oscTimer = 0;

      fill(100);

      ellipse(this.pos.x, this.pos.y, this.size, this.size);

    }

​

  }

​

  multiply() {

    this.lifeTimer++;

    //print(this.lifeTimer);

    let fx = 0;

    let fy = 0;

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

​

      fx = myFireflies[i].pos.x;

      fy = myFireflies[i].pos.y;

​

      if ((this.lifeTimer > 100 )&&(myFireflies.length < 20) &&this.pos.dist(myFireflies[i].pos) < 10 && (i != myFireflies.indexOf(this)))

      {

                myFireflies.push(new Firefly(random(1, 10), fx + random(spacing,spacing*2), fy + random(spacing,spacing*10)));

        myFireflies[myFireflies.length - 1].c = color(hue(this.c) + random(0, 10), 200, 200);

      }

​

​

    }

​

  }

​

​

​

​

​

​

​

​

}