BOX boxRight;
BOX boxLeft;
ArrayList car;

void setup(){
  size(400,400); 
  car = new ArrayList();  // Create an empty ArrayList

    boxRight = new BOX(0,0,width/2-15, 100);
  boxLeft = new BOX(width/2+15,0,width, 100);
  for(int i = 0; i<10; i++){
    car.add(new CAR());
  }
}

void draw(){
  background(255);
  //   car.add(new CAR());

  //ellipse(0,0,350,400);
  //ellipse(width,0,350,400);

  boxRight.drawIt();
  boxLeft.drawIt();

  for(int k = car.size()-1; k>=0; k--){

    CAR cars = (CAR) car.get(k);
    fill(255);
    cars.create();
    cars.move();



  }
  for( int i = 0; i < car.size(); i++){

    CAR carF = (CAR) car.get(i);
      for( int j = i+1; j < car.size() ; j++){
            CAR carS = (CAR) car.get(j);
    carF.collideEqualMass(carS);
      }
    
  }
}