// CSE 143 
// Homework 5 
// http://www.cs.washington.edu/education/courses/143/00su/homework/ 
// 30 Jul 2000, Ken Yasuhara

// class BasicFirework


#ifndef _BASICFIREWORK_H_
#define _BASICFIREWORK_H_

#include "timedprojectile.h"


// defaults
const double BASICFIREWORK_EXPLOSION_RADIUS   = 20;
const int    BASICFIREWORK_EXPLOSION_DURATION = 3;
const int    BASICFIREWORK_EXPLOSION_MASS     = 100;


class BasicFirework : public TimedProjectile {
public:
  BasicFirework(const double newX, const double newY, 
                const double newVx, const double newVy,
                const double newRadius = BASICFIREWORK_EXPLOSION_RADIUS,
                const int newMass = BASICFIREWORK_EXPLOSION_MASS,
                const int newDuration = BASICFIREWORK_EXPLOSION_DURATION);

  // explosion happens when rocket passes highest point
  virtual void updatePosition();

  virtual void paint(GP142Display &display) const;

protected:
  virtual void paintRocket(GP142Display &display) const = 0;
  void paintExplosion(GP142Display &display) const;
  virtual void paintExplosionFlash(GP142Display &display, 
                                   const int x, const int y) const = 0;

  // number of frames since explosion
  int explosionTime;

  const double radius;
  const int duration, mass;
};


#endif // _BASICFIREWORK_H_