// Click = zastavit / spustit hudba

// Mouse Drag = otacanie kocky

// Arrow up = music speed up

// Arrow down = cancle arrow up

// Arrow left = distort music

// Arrow down = cancle arrow left

// f = fullscreen / cancel fullscreen

​

let a  = 0;

let b  = 0;

let song;

let son;

let cnv;

let fft;

let peakDetect;

let pulseSize = 0;

​

function preload(){

  song = loadSound('track1.mp3');

}

​

function setup() {

  createCanvas(windowWidth, windowHeight, WEBGL);

  fft = new p5.FFT();

  peakDetect = new p5.peakDetect();

}

​

function draw() {

  background(0,0,0);

  orbitControl();

  ambientLight(0);

  fft.analyze();

  peakDetect.update(fft);

​

  if (peakDetect.isDetected){

    pulseSize = 250;

  }

  pointLight(pulseSize, 255, 0, 400, 0, 400);

  pointLight(0, pulseSize, 255, 400, 0, -400);

  pointLight(255, 0, pulseSize, -400, 0, 400);

​

  box

  push();

  translate(0, 0, 0);

  rotateX(frameCount * 0.01);

  rotateY(frameCount * 0.01);

  specularMaterial(255, 204, 0);

  noStroke()

  box(200);

  pop();

  push();

  translate(0, 0, 0);

  rotateX(frameCount * 0.01);

  rotateY(frameCount * 0.01);

  noFill();

  stroke(a);

  strokeWeight(30)

  box(1000);

  pop();

    push();

  translate(0, 0, 0);

  rotateX(frameCount * 0.03);

  rotateY(frameCount * 0.03);

  noFill();

  stroke(b);

  strokeWeight(30)

  box(1000);

  pop();

​

    if (keyIsDown(UP_ARROW) === true) {

    a = 255

    song.rate(2);

  } 

  if (keyIsDown(DOWN_ARROW) === true) {

    a = 0

    song.rate(1);

  } 

      if (keyIsDown(LEFT_ARROW) === true) {

    b = 255

    song.rate(0.25);

  } 

  if (keyIsDown(RIGHT_ARROW) === true) {

    b = 0

    song.rate(1);

  } 

pulseSize = max(pulseSize - 20, 0);

  // fill (255)

  // ellipse (0,0,pulseSize)

​

}

​

function keyPressed() {

  if (key == 'f') {

    let fs = fullscreen();

    fullscreen(!fs);

  }

​

}

​

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

}

​

function mousePressed(){

  if (song.isPlaying()){

    song.pause();

  } else {

    song.play();

  }

}