import arb.soundcipher.*;

SCScore score = new SCScore();

float[] r = new float[4];

void setup() {  

  noLoop();

  score.tempo(112);

  score.addCallbackListener(this);

  makeMusic();

}

void makeMusic() {

  score.empty();

  for (float i=0; i<16; i++) {

    if (i%8 == 0 || i%16 == 14) {

      score.addNote(i/4, 9, 0, 36, 100, 0.25, 0.8, 64);

      score.addCallback(i/4, 1);

    } else if (random(10) < 1) score.addNote(i/4, 9, 0, 36, 70, 0.25, 0.8, 64);

    if (i%8 == 4) {

      score.addNote(i/4, 9, 0, 38, 100, 0.25, 0.8, 64);

      score.addCallback(i/4, 2);

    } else if (random(10) < 2) score.addNote(i/4, 9, 0, 38, 60, 0.25, 0.8, 64);

    if (random(10) < 8) {

      score.addNote(i/4, 9, 0, 42, random(40) + 70, 0.25, 0.8, 64);

    } else score.addNote(i/4, 9, 0, 46, 80, 0.25, 0.8, 64);

  }

  score.addCallback(4, 0);

  score.play();

}

void handleCallbacks(int callbackID) {

  switch (callbackID) {

    case 0:

      score.stop();

      makeMusic();

      break;

    case 1:

      float w = random(20);

      r = new float[] {50-w, 50-w, w*2, w*2};

      redraw();

      break;

    case 2:

      r = new float[] {20, 20, 60, 60};

      redraw();

      break;

  }

}

void draw() {

  background(120);

  rect(r[0], r[1], r[2], r[3]);

}

void stop() {

  score.stop();

}