+class Particles : public GameObject
+{
+public:
+ Particles(const Vector& epicenter, int min_angle, int max_angle,
+ const Vector& initial_velocity, const Vector& acceleration,
+ int number, Color color, int size, float life_time, int drawing_layer);
+ ~Particles();
+
+ virtual void action(float elapsed_time);
+ virtual void draw(DrawingContext& context);