// p5 sound library for mic 

//the stars were used from a code found here "https://editor.p5js.org/YuqiaoQin/sketches/SyFaITU_g"

//touch functions were used from cclass demos

​

let cam;

let xScale;

let yScale;

let showCamera = false;

let c = 0;

let f = 0;

var mic;

var stars = [];

var n = 0;

let h = 0;

​

function setup() {

  background(0);

  createCanvas(windowWidth, windowHeight);

  pixelDensity(displayDensity());

  noStroke();

  angleMode(DEGREES);

  // galaxy();

  cam = createCapture(VIDEO); // create capture obj

  cam.size(40, 60); // use low res input for speed

  cam.hide(); // hide default cam stream display

  mic = new p5.AudioIn();

  mic.start();

  xScale = 1 / 5 * cam.width;

  yScale = 1 / 5 * cam.height;

  for (var i = 0; i < 600; i++) {

    stars[i] = new Star();

  }

}

​

​

function draw() {

  translate(width / 2, height / 2);

  var vol = mic.getLevel();

  c = c + 5;

​

  if (c > 1000) {

    c = 0

  }

​

  if (showCamera) cam.show();

  else cam.hide();

  cam.loadPixels();

​

  if (keyIsDown(SHIFT)) {

    translate(0, 0);

    c = 3000;

    u = 0;

    h = 0;

  }

​

  if (mouseIsPressed) {

    for (var i = 0; i < stars.length; i++) {

      stars[i].update();

      stars[i].show();

      stroke(200);

      strokeWeight(0.04);

    }

​

  }

​

  for (var e = 0; e <= noise(n) * 100; e++) {

    rotate(e);

    n += 0.1

    e += 0.2;

    stroke(255, noise(n) * 60);

    strokeWeight(0.2);

    fill(0);

    light(e);

  }

​

  for (let y = 0; y < cam.height; y++) {

    for (let x = cam.width; x >= 0; x--) {

      let index = (x * y);

      let a = 2*cam.pixels[index + mouseX];

      let b = cam.pixels[index + mouseY];

      let f = cam.pixels[index + 1000 * vol];

      if (a != undefined) {

        rotate(1 / 16 * c);

        fill(a, b, f, 10);

        ellipse(

          (y * xScale - 100) + c,

          (x * yScale - 100) + c,

          map(a, 0, width, 80, xScale),

          map(a, 0, height, 80, yScale)

        );

​

      }

    }

  }

  print(vol)

  cam.updatePixels();

  console.log(vol);

}

​

function light(u) {

  h = h + 1

  line(0, 0, u, h);

  if (h > 4000) {

    h = 0;

    u = 0;

  }

}

​

function Star() {

  this.position = createVector(-width, width, -height, height,    random(90));

  this.velocity = createVector(0, 0, -15);

  this.acceleration = createVector(0, 0, -0.0001);

  this.update = function() {

    this.velocity.add(this.acceleration);

    this.position.add(this.velocity);

​

    if (this.position.z < 1) {

      this.position.z = 1300;

      this.position.x = random(-width, width);

      this.position.y = random(-height, height);

    }

  }

  this.show = function() {

​

    fill(255);

    stroke(255, 150);

    strokeWeight(random(2));

    var sx = map(this.position.x / this.position.z, 0, 1, 0, width);

    var sy = map(this.position.y / this.position.z, 0, 1, 0, height);

    var r = map(this.position.z, 0, width, 10, 0);

    ellipse(sx, sy, r, r);

  }

}

​

​

​

function touchStarted() {

  return false;

}

​

function touchEnded() {

  return false;

}

​