int nodeCount;
Node[] nodes = new Node[100];
HashMap nodeTable = new HashMap(  );

static final color nodeColor = #F0C070;

PFont font;

float minX, maxX;
float minY, maxY;

void setup() {
  size(800, 800);
  loadData();
  font = createFont("SansSerif", 30);
  textFont(font);
  smooth(  );

}

void loadData() {
  String[] lines = loadStrings("words_mds.txt");

  // Split into phrases using any of the provided tokens.
  minX = 3.4e38;
  minY = 3.4e38;
  maxX = -3.4e38;
  maxY = -3.4e38;
  
  float x, y;
  
  for (int i = 0; i < lines.length; i++) {
    println(lines[i]);
    // Make this phrase lowercase.
    // Split each phrase into individual words at one or more spaces.
    String[] pieces = splitTokens(lines[i], " ,");
    if(pieces.length==3) {
      x = float(pieces[1]);
      y = float(pieces[2]);
      if(x < minX) minX = x;
      if(x > maxX) maxX = x;
      if(y < minY) minY = y;
      if(y > maxY) maxY = y;  

    }
  }
  println(minX);
  println(maxX);
  println(minY);
  println(maxY);

  for (int i = 0; i < lines.length; i++) {
    String[] pieces = splitTokens(lines[i], " ,");
    if(pieces.length==3) {
      x = map(float(pieces[1]), minX, maxX, 0, width);
      y = map(float(pieces[2]), minY, maxY, 0, height);
      addNode(pieces[0], x, y);
      
    }
  }
  
}
void draw(  ) {
  background(255);
  //translate(width/2, height/2);
  //scale(30.0, 30.0);//width/(maxX-minX), height/(maxY-minY));
  for (int i = 0 ; i < nodeCount ; i++) {
    nodes[i].draw(nodes[i].isIn(mouseX,mouseY));
  }
}

Node addNode(String label, float x, float y) {
  Node n = new Node(label, x, y);
  if (nodeCount == nodes.length) {
    nodes = (Node[]) expand(nodes);
  }
  nodeTable.put(label, n);
  nodes[nodeCount++] = n;
  return n;
}