// Rocket Tail

ParticleSystem ps,ps1,ps2;


ArrayList repellers;


void setup() {
  size(400,540);
  ps = new ParticleSystem(1,new PVector(width/2,height/4));
  ps1 = new ParticleSystem(1,new PVector(width/2+5,height/4));
  ps2 = new ParticleSystem(1,new PVector(width/2-5,height/4));
  

  // Create a list of Repeller objects
  repellers = new ArrayList();
  for (int i = 0; i < 15; i++) {
    repellers.add(new Repeller(random(width),random(height/1.4,height/1.2)));
  }
  smooth();
}

void draw() {
  background(40);

  // Apply gravity force to all Particles
  PVector gravity = new PVector(0,0.2);
  ps.applyForce(gravity);
  // Apply repeller objects to all Particles
  //ps.applyRepellers(repellers);
  // Run the Particle System
  ps.run();
  // Add more particles
  ps.addParticle();
  
  
  ps1.applyForce(gravity);
  // Apply repeller objects to all Particles
 // ps1.applyRepellers(repellers);
  // Run the Particle System
  ps1.run();
  // Add more particles
  ps1.addParticle();
  
  ps2.applyForce(gravity);
  // Apply repeller objects to all Particles
 // ps1.applyRepellers(repellers);
  // Run the Particle System
  ps2.run();
  // Add more particles
  ps2.addParticle();

  // Display all repellers
  for (int i = 0; i < repellers.size(); i++) {
    Repeller r = (Repeller) repellers.get(i); 
  //  r.display();
    r.drag();
  }

}

void mousePressed() {
  for (int i = 0; i < repellers.size(); i++) {
    Repeller r = (Repeller) repellers.get(i); 
    r.clicked(mouseX,mouseY);
  }
}

void mouseReleased() {
  for (int i = 0; i < repellers.size(); i++) {
    Repeller r = (Repeller) repellers.get(i); 
    r.stopDragging();
  }
}