//GLOBAL VARS : available to all methods in all tabs

final int noCars = 10;                        //no of vehicles. the keyword 'final' indicates that it is a constant.
MyVehicle[] v = new MyVehicle[noCars];        //vehicle array of the size 'noCars'
float safeDistance = 40.0;                    //distance below which collision is detected
PFont f;                                      //declare font


//The SETUP method is called once when the applet/application starts off. 
//Consider this a 'point or method of entry'
void setup()
{
  //size method declares the size of the applet window and to use the 3d 
  //libraries (P3D or OPENGL it must be declared in this size method
  size (400,400,P3D);
  
  for (int i = 0; i<noCars; i++)
  {
   PVector p = new PVector(random(width), random(height), 0);  
   v[i] = new MyVehicle(p, random(0,TWO_PI), random (10), 255, 0, 0); // invoke the vehicle constructor
  }
  
  f = loadFont("Arial-BoldMT-16.vlw");                                //load the font
  textFont(f);
}

//the DRAW Method is called continuously (at a certain framerate). 
//Consider this a continous LOOP
void draw()
{
 background(255);                                                     //clean up the background for every frame
 for (int i = 0; i<noCars; i++)
  {
    v[i].update(width, height, v, frameCount);                        //call the vehicle update
    v[i].draw();                                                      //call the vehicle draw
  }
}