/* * This program is under the GNU GPL. * Use at your own risk. * * written by David Bucciarelli (humanware@plus.it) * Humanware s.r.l. */ #ifndef PARTICLES_H #define PARTICLES_H #include <GL/gl.h> class particle { protected: float age; // in seconds float acc[3]; float vel[3]; float pos[3]; public: particle(); virtual ~particle() {}; virtual void beginDraw(void) {}; virtual void draw(void)=0; virtual void endDraw(void) {}; virtual void elapsedTime(float); virtual void checkAge(void) {}; }; class particleSystem { protected: particle **part; float t; unsigned long particleNum; public: particleSystem(); ~particleSystem(); void addParticle(particle *); void reset(void); void draw(void); void addTime(float); }; class rainParticle : public particle { protected: static float min[3]; static float max[3]; static float partLength; float oldpos[3]; void init(void); public: rainParticle(); static void setRainingArea(float, float, float, float, float, float); static void setLength(float); static float getLength(void) { return partLength; }; void beginDraw(void) { glBegin(GL_LINES); }; void draw(void); void endDraw(void) { glEnd(); }; void elapsedTime(float); void checkAge(void); void randomHeight(void); }; #endif