import processing.sound.*;

SoundFile[] file;

// Initialize data 
int numSounds = 0;
int numTracks = 0;
int bpm       = 0;
int divider   = 0;
int duration  = 0;
int beat      = 0;

int[][] samples;

void setup() {
  size(640, 360);
  background(255);

  loadData();

}

void draw() {
  background(255);
  stroke(255);
  
   for(int i=0; i<4; i++) {
    fill(90);
    for(int y=0; y<divider; y++) {
      rect((width/divider)*y,(height/4)*i, width/divider, height/4);
    }
  }
  
  

  for(int i=0; i<4; i++) {
    
    fill(150);
    if(samples[i][beat] != 0) {
      fill(0, 200, 0);
      file[samples[i][beat]].stop();
      file[samples[i][beat]].play();
    }
    rect((width/divider)*beat,(height/4)*i, width/divider, height/4);
    
  }
  
  beat++;
  if(beat>=divider){beat=0;}
  
  delay(duration);

}