let mic, fft;
let spacer;
let t = 0; // time variable


function setup(){
  createCanvas(710, 400);
  mic = new p5.AudioIn();
  mic.start();
  fft = new p5.FFT();
  fft.setInput(mic);
    noStroke();
  fill(255);
}


function draw() {
  background(0);
  strokeWeight(2);
  stroke(255);
  //frameRate(10);

  let spectrum = fft.analyze();
  //console.log(spectrum.length);
  // console.log(spectrum);

  // beginShape();
  // for (i = 0; i < spectrum.length; i++) {
  //   vertex(i, map(spectrum[i], 0, 255, height, 0));
  // }
  // endShape();

  beginShape();
  for (x = 0; x < spectrum.length; x= x+5) {
    // stroke(255);
    //noStroke();
    let alpha = map(spectrum.length, 0,1024,0,100)
    strokeWeight(2);
    stroke(114,126,143, alpha);
    noFill();
    print(alpha)
    //fill(255,255,255, alpha);
    //console.log(spectrum[x]);
    line(width/random(8) ,height/random(8) , spectrum[x]*10, spectrum[x]*8);
    //line(random(300,700) ,random(200,300), spectrum[x]*10, spectrum[x]*15);
    line(spectrum[x]*8, spectrum[x]*8, spectrum[x]*12, alpha*10);
   	//rect(600 , 100, spectrum[x]/1.8, spectrum[x]/1.8);
   	
  }
  endShape();
}