import noc.*;

PImage material;
int r = 200;
float spin = 0f;
float tilt = -0.65f;
Country[] countries;

// Declare a births particle system
ParticleSystem[] ps;
 
void setup() {
  size(1280, 800, P3D);
  material = loadImage("earth_lights.jpg");
  texturedSphereDetail(12);
  
  // Load text file as a String 
  String[] data = loadStrings("countries_births.txt"); 
  countries = new Country[data.length];
  ps = new ParticleSystem[data.length];
  
  //Convert the country string into an array using  ',' as a delimiter and create all countries
  for (int i=0; i<countries.length; i++) {   
    String[] values = split(data[i], ',');
    // attribute 'rank' expects an int
    String v0 = values[0];
    String v1 = values[1];
    String v2 = values[2];
    String v3 = values[3];
    String v4 = values[4];
    countries[i] = new Country(v0,v1,v2,v3,v4);    

    // setup the births particlesystems
    ps[i] = new ParticleSystem(1,countries[i].getV_XYZ_forAcceleration(), countries[i].getV_XYZ2(), countries[i].getV_velocity(), countries[i].getBirthRate());
    
    // *** Black hole!! *** 
    //ps[i] = new ParticleSystem(1,new Vector3D(0.1,0,0), countries[i].getV_XYZ2(), countries[i].getV_velocity(), countries[i].getBirthRate());

  } 
}

void draw() {
  background(0);
  translate(width / 2, height / 2);
  
  //set up the globe
  spin += 0.005;
  if(spin > TWO_PI) spin = 0.0; 
  rotateX(tilt);
  rotateY(spin);
  noStroke();
  texturedSphere(r, material);
  
  // Run the birth particle system
  for (int j=0; j<223; j++) {
    stroke(j+60,j*2,j*60);
    ps[j].run();
    ps[j].addParticle();
  }  
}