float[] values;
int i = 0, j = 1;
int items = 5000;
int strokeWeight;
int currentIndex = 0;

void setup() {
  fullScreen(P2D);
  //frameRate(10);
  //size (800, 500);
  if (items > width) {
    items = width;
  }
  strokeWeight = width/items;
  values = new float[items];
  for (int x = 0; x < values.length; x++) {
    values[x] = noise(x) * height;
  }
}

void swap(float[] arr, int a, int b) {
  float temp = arr[a];
  arr[a] = arr[b];
  arr[b] = temp;
}

void draw() {
  background(0);

  if (i < values.length - 1) {
    int minIndex = i;
    for (j = i + 1; j < values.length; j++) {
      if (values[j] < values[minIndex]) {
        println(values[j] + "<" + values[minIndex]);
        minIndex = j;
      }
    }

    swap(values, minIndex, i);
    i += 1;
  } else {
    println("Finished");
    i++;
    noLoop();
  }

  for (int n = 0; n < values.length; n++) {
    stroke(255);
    if((strokeWeight - 2) < 1){
      strokeWeight(strokeWeight);
    }else{
      strokeWeight(strokeWeight - 2);
    }
    if (n < i) {
      stroke(0, 255, 0);
    }
    line(n * strokeWeight + (strokeWeight / 2), height, n * strokeWeight + (strokeWeight / 2), height - values[n]);
  }
}