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

AudioInput in;
FFT fft;
BeatDetect beat;

int rep;
void setup()
{
  size(800, 600);
  background(0);
  // always start Minim before you do anything with it
  Minim.start(this);
  rep = 0; //repetitions
  // get a line out from Minim, default bit depth is 16
  beat = new BeatDetect();
  in = Minim.getLineIn(Minim.MONO, 512, 11050);
  fft = new FFT(in.bufferSize(), in.sampleRate());
}



void draw()
{
  beat.detect(in.left);
  stroke(255);
  // draw the waveforms
  if(rep > 1000)
  {
    background(0);
    rep = 0;
  }
    int bwidth = 20;
  if(beat.isOnset())
  {
    fill(0);
    stroke(0);
  for(int j = 0; j < width / 20; j++)
  {
    rect(j * bwidth, 0, 10, height);
  }
  }
  //TODO: sustain after beats.
  if(in.left.level() > 0.07)
  {
  for(int i = 0; i < in.bufferSize() - 1; i++)
  {

    stroke(255 - abs(0.05 + in.left.get(i))*20000, 0, abs(0.05 + in.left.get(i))*20000);
    //line(i*1.5, 100 + in.left.get(i)*200, (i*1.5)+1, 100 + in.left.get(i+1)*200);
    strokeWeight(in.left.level() * 40);
    point(i*1.5, (rep/60) + ((rep % 60) * 10) + in.left.get(i)*200);
  }
  }
  stroke(255);
  rep++;
  smooth();
}


void stop()
{
  // always close Minim audio classes when you are done with them
  in.close();
  // always stop Minim before exiting
  Minim.stop();
  super.stop();
}