// Προσθήκη εφέ delay και αλλαγή συχνοτήτων κατά την διάρκεια που ο χρήστης κουνάει το ποντίκι σε διαφορετικές θέσεις στην οθόνη

// αναπαραγωγή χιλιάδων τυχαίων σχημάτων (Τετραγωνα, ορθογώνια παραλληλόγραμα, γραμμές) συμπληρώνοντας τον ήχο

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let sound, analyzer, delay;

​

function preload() {

  soundFormats('ogg', 'wav');

  sound = loadSound('beat.wav');

  sound.loop();

}

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(0); // color black

  sound.disconnect(); // only hear delay

​

  delay = new p5.Delay();

  delay.process(sound, 0.12, 0.7, 2300);

  delay.setType('pingPong'); // a stereo effect

​

  analyzer = new p5.Amplitude();

​

}

​

function draw() {

  // get volume reading from the p5.Amplitude analyzer

  let level = analyzer.getLevel();

  // change fill color

  // choose a random rgb fill color

  fill(random(255), random(25), random(255));

  noStroke();

  //strokeWeight(20);

  //draw a rectangle  

  //draw on a random x location

  let x = random(width);

  // and random y location

  let y = random(height);

  // make height and width of rectangle random as well

  let rWidth = random(200);

  let rHeight = random(200);

  rect(x, y, rWidth, rHeight);

  rect(x, y, rWidth, rHeight);

   // use level to draw a green rectangle

  let levelHeight = map(level, 0, 0.1, 0, height);

  // mapping  filter frequencies 

  let filterFreq = map(mouseX, 0, width, 60, 15000);

  filterFreq = constrain(filterFreq, 60, 15000);

  let filterRes = map(mouseY, 0, height, 3, 0.01);

  filterRes = constrain(filterRes, 0.01, 3);

  //mapping delay location

  delay.filter(filterFreq, filterRes);

  let delTime = map(mouseY, 0, width, 0.2, 0.01);

  delTime = constrain(delTime, 0.01, 0.2);

  delay.delayTime(delTime);

}

function mousePressed() {

  let fs = fullscreen();

  fullscreen(!fs);

  if (sound.isPlaying() == true) {

    sound.pause();

  } else {

    sound.play();

   }

}

​

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

}