Voxel Grid with Sound

let objects = [] // create empty array 

let mic, fft;

​

​

function setup() {

​

  createCanvas(windowWidth, windowHeight, WEBGL);

  mic = new p5.AudioIn();

  mic.start();

  fft = new p5.FFT();

  fft.setInput(mic);

  let spacing = 50

  for (var x = -255; x < 255; x += spacing) {

​

    for (var y = -255; y < 255; y += spacing) {

​

      for (var z = -255; z < 255; z += spacing) {

        let voxel = getVoxel(x,y,z,spacing/2) 

        objects.push(voxel) 

​

​

      }

    }

​

  }

}

​

function draw() {

  background(0)

  let spectrum = fft.analyze();

  push()

  scale(0.5)

  rotateX(mouseX/1000)

  rotateY(mouseY/1000)

  rotateZ(frameCount/500)

  for (let i = 0; i < objects.length; i++){

    let object = objects[i]

    object.size = map(spectrum[i], 0, 100, 50,5)

​

    object.display()

  }

​

  pop()

}

​

​

function getVoxel(x,y,z,size){

  let obj = {} 

  obj.x = x 

  obj.y = y 

  obj.z = z 

  obj.size = size

  obj.display = function(){

    push()

    fill(this.x,this.y,this.z)

    translate(this.x,this.y,this.z) 

    box(this.size) 

    pop()

  }

  return obj

}