lemur(audio reactive).

//The volume is a global variable

var volume = 0;

//The variable that contains my sound file

var sample;

​

//used to tune the responsiveness

// in theory the volume is between 0 and 1.0 but in practice the peak is often less

var maximumVolume = 0.3;

​

​

//Excerpt from Cathy Berberian's Stripsody (1966)

//Performed by Jerilyn Chou

function preload() {

  sample = loadSound('120737__jakobthiesen__drum.mp3');

}

​

​

function setup() {

  createCanvas(800, 800);

  amp = new p5.Amplitude();

  sample.loop();

​

}

​

function draw() {

  //the background has to be redrawn every time

  background("#F2E6D8");

​

​

  // Get the overall volume of the sound clip 

  var v = amp.getLevel();

​

  //Smooth the volume variable with an easing function

  volume += (v - volume) / 3;

​

​

  createCanvas(400, 400);

  background("#FFD0EF");

​

  fill(217, 97, 164);

  noStroke();

  ellipse(200,200,200,200);

  fill("#FFF0C1");

  beginShape();

  vertex(50- volume*40,100);

  vertex(100,180 + volume *70);

  vertex(140,120);

  endShape();

  fill("#FFF0C1");

  beginShape();

  vertex(300,180);

  vertex(250,110);

  vertex(340-volume*100,120-volume*200);

  endShape();

  fill("#FFF0C1");

  var rectWidth = map(volume, 0, maximumVolume, 10, 300);

  rect(120,180,150,120, 40)

  fill("#E199C3");

  beginShape();

  vertex(330 - volume*70,120);

  vertex(300- volume*40,180);

  vertex(280,140);

  endShape();

  fill("#E199C3")

  rect(140,220,40,40,12)

  fill("#E199C3")

  rect(210,220,40,40,12)

  fill("#E199C3")

  rect(160,250,80,50,20)

  fill("#603913")

  rectMode(CENTER)

  rect(160,235,20 +volume *20,20,5+volume*40)

  rectMode(CORNER)

  fill("#603913")

  rect(215,227,20 + volume *20,20 +volume *20,2 +volume*40)

  fill("#603913")

  beginShape();

  vertex(190+ volume*30,265);

  vertex(210 - volume*30,265);

  vertex(200,280);

  endShape();

  ellipse(10, 10, volume *100, volume *100)

​

}