/* ----------------------------------------------
Computing Kaizen Studio
Advanced Studio VI Spring 2010
Columbia University GSAPP

Tracking Bodies
Code by Anna Karigianni
http://www.arch.columbia.edu/
http://proxyarch.com/kaizen

This work is licensed under a Creative Commons 
Attribution-Noncommercial-Share Alike 3.0 License
-----------------------------------------------*/

class Car{
  
  //STATEMENT
  PVector direction;
  PVector position;
  float speedHor;
  Node current;
  Node checkNode;
  Node goal;
  boolean car;
  float duration;
  int carCount;

  //CONSTRUCTOR
  Car(Node start, boolean state){
    car = state;
    current = start;
    int chosen = floor(random(0, current.connections.length));
    goal = current.connections[chosen];
    position = new PVector(current.x, current.y, current.z);
    direction = new PVector();
    direction.set(goal.pos);
    direction.sub(current.pos);
    direction.normalize();
    speedHor = random(0.1,0.5);
    direction.mult(speedHor/10);    
    duration = random(100,200);
    carCount = 0;
  }

  //METHOD A - DRAW CAR
  void plot(){
    noStroke();
    pushMatrix();
    translate(position.x, position.y, position.z);
    ellipse(0,0,1,1);
    popMatrix(); 
  }
  
  //METHOD B - MOVE CAR
  void move(){
    if(position.dist(goal.pos) < speedHor*0.8){      
      position.set(goal.pos);
      Node pastCurrent = current;
      current = goal;
      boolean chose = false;
      int chosen = floor(random(0, current.connections.length));
      Node best = current.connections[chosen];
      goal = best;    
    }

    goal.traffic = min( goal.traffic + .1, spacing-.5);
    direction.set(goal.pos);
    direction.sub(position);
    direction.normalize();
    direction.mult(speedHor);
    position.add(direction);
  }
  //METHOD C //TRACKING ENCOUNTERS
  void carcount (){
    Node [] all = myGraph.getNodes ();
    Node b = all [floor (random (0, all.length))];
    int chosen = floor(random(0, current.connections.length));
    for(int i=0; i<myCars.length; i++){
      Car myCar = myCars[i];
      for(int j=0; j<myCars.length; j++){
        Car otherCar = myCars[j];
        float d = dist (myCar.position.x, myCar.position.y, myCar.position.z, otherCar.position.x, otherCar.position.y, otherCar.position.z);
        if (d==0.0){
          myCar.carCount ++;        
        }
      }
    }
  }

  //METHOD D//STOP AGENTS AFTER X ENCOUNTERS
  void checkStop (){
    Node [] all = myGraph.getNodes ();
    Node b = all [floor (random (0, all.length))];
    int chosen = floor(random(0, current.connections.length));
    for(int i=0; i<myCars.length; i++){
      Car myCar = myCars[i];
      if (myCar.carCount% 1000==0){
        goal = current.connections [chosen];
      }
    }
  }
}