import ddf.minim.*;
import ddf.minim.analysis.*;

AudioPlayer song;
BeatDetect beat;

PImage speaker;

float kickSize, snareSize, hatSize = 16;

int directionX = 1;
int directionY = 1;
int directionZ = 1;
float angleX = 0;
float angleY = 0;
float angleZ = 0;
float angleDiff = 1;

void setup() {
  size(800, 400, P3D);
  colorMode(HSB, 360, 100, 100);
    
  rectMode(CENTER);

  Minim.start(this);
  song = Minim.loadFile("groove.mp3");
  song.loop();
  beat = new BeatDetect(song.bufferSize(), song.sampleRate());
  beat.setSensitivity(300);  
}

float c = 0;

void draw() {
  fill(0, 10);
  rect(width/2, height/2, width, height);
  
  stroke(0,10);
  c += 0.4;
  fill(c, 100, 100, 120);
  if (c > 360) {
    c = 0;
  }
  
  beat.detect(song.mix);

  if (beat.isKick()) { kickSize = 200; }
  if (beat.isSnare()) { directionY = -directionY; }
  if (beat.isHat()) { directionZ = -directionZ; }
  
  angleX = angleX + angleDiff * directionX;
  angleY = angleY + angleDiff * directionY;
  angleZ = angleZ + angleDiff * directionZ;
  translate(width/2, height/2);
  rotateX(radians(angleX));
  rotateY(radians(angleY));
  rotateZ(radians(angleZ));

  box(kickSize);
  
  kickSize = constrain(kickSize * 0.99, 150, 200);
}

float normalize(float value, float sMin, float sMax, float dMin, float dMax) {
	return constrain( (dMax - dMin) / (sMax - sMin) * ((value - sMin) + dMin), dMin, dMax);
}

void stop() {
  song.close();
  super.stop();
}