// a class which controls the Termites population arraylist

class kWorld {
  ArrayList population;
  ArrayList mudpop;
  ArrayList dudpop;
  ArrayList attractors;
  ArrayList pheremones;  

  
  kWorld() {
     population = new ArrayList();
     mudpop = new ArrayList();
     dudpop = new ArrayList();
     attractors = new ArrayList();
     pheremones = new ArrayList();
  }

  // cycles through each Termites passing the population to it
  void run(){
    for (int i = 0; i < population.size(); i++) {
      kTermites a = (kTermites) population.get(i);  
      a.step(this); 
    }
  }

// adds an obstacle to the mudpop array list
  void addMud(kMud o) {
    mudpop.add(o);
     
  }
  // adds an Termites to the population
  void addTermites(kTermites a) {
    population.add(a);
  }
  
 
   

    // adds an obstacle to the mudpop array list
  void addDud(kDud o) {
    dudpop.add(o);
  }  
  
  

  
  // adds an attractor to the attractor array list
  void addPheremone(kPheremone p) {
    pheremones.add(p);
  }
  
  
  
  // calls render methods for all objects in the world  
  void render(){
    // Termitess
    for (int i = 0; i < population.size(); i++) {
      kTermites a = (kTermites) population.get(i);  
      a.render(); 
    }
        
    
    // mudpop
    for (int i = 0; i < mudpop.size(); i++) {
      kMud o = (kMud) mudpop.get(i);  
      o.render(); 
    }
        // dudpop
    for (int i = 0; i < dudpop.size(); i++) {
      kDud o = (kDud) dudpop.get(i);  
      o.render(); 
    }
    

    // pheremones
    for (int i = 0; i < pheremones.size(); i++) {
      kPheremone p = (kPheremone) pheremones.get(i);  
      p.render(); 
    }
    
  }
  

}