{

  song=loadSound("sjlt.mp3")

}

​

function setup() {

  createCanvas(400, 400);

  fft=new p5.FFT();

  angleMode(DEGREES)

}

​

function draw() {

  background(0);

  stroke(255)

  noFill()

  translate(width/2,height/2)

  var wave=fft.waveform()

  beginShape()

  for (i=0;i< 180; i++)

  {

    var index=floor(map(i,0,180,0,wave.length-1))

    var r=map(wave[index],-1,1,100,250)

    var x = r*sin(i);

    var y=r*cos(i)

    vertex(x,y)

  }

  endShape()

   beginShape()

  for (i=0;i< 180; i++)

  {

    var index=floor(map(i,0,180,0,wave.length-1))

    var r=map(wave[index],-1,1,100,250)

    var x = -r*sin(i);

    var y=-r*cos(i)

    vertex(x,y)

  }

  endShape()

}

​

function mouseClicked()

{

  if (song.isPlaying())

  {song.pause();noLoop()}

  else

  {

    song.play()

    loop()

  }

}