// VARIABLES

let truncation_value = 0.7;

let audio = "Ionian_Mode.wav"

let download_images = true;

let fps = 26;

let height = 1024;

let width = 1024;

let start = 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​

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​

​

// -------

// You don’t need to edit anything below this

​

let i;

let vectors_out = [];

let amps = [];

let total_frame_count =0;

let sound, amplitude,level;

let count = 0;

​

function preload() {

  sound = loadSound(audio);

}

​

function setup() {

  pixelDensity(1);

  createCanvas(width, height);

  frameRate(fps);

  start_z = nj.array(start)

  end_z = nj.array(end)

  amplitude = new p5.Amplitude();

  sound.play();

}

​

function draw(){

  if(sound.isPlaying()){

    level = amplitude.getLevel();

    amps.push(level)

    // print(level);

    total_frame_count++;

  } else {

    noLoop();

    min_amp = min(amps)

    max_amp = max(amps)

    for (i=0; i < total_frame_count; i++){

      mapped = map(amps[i],min_amp,max_amp,0.0,1.0)

      vectors_out.push(njlerp(start_z,end_z,mapped).tolist())

    }

    generateInterpolation();

  }

}

​

function generateInterpolation(z) {

  a = vectors_out[count]

  const path = "http://localhost:8000/query";

  const data = {

    z: a,

    truncation: truncation_value

  };

  httpPost(path, 'json', data, gotImage, gotError);

}

​

function gotError(error) {

  console.error(error);

}

​

function gotImage(result) {

  i = createImg(result.image, imageReady);

  i.hide();

}

​

function imageReady() {

  image(i, 0, 0);

  if (download_images) save(`step${nf(count, 4)}`);

  count++;

  if (count <= total_frame_count) {

    print('generating image ' + (count) +'/'+ total_frame_count)

    setTimeout(generateInterpolation, 100);

  }

}

​

function njlerp(v0, v1, t) {

  return v0.multiply(1-t).add(v1.multiply(t));

}

​