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#ifndef _PARTICLEPATHHANDLER_H
#define _PARTICLEPATHHANDLER_H 1
#include "opengl/texture.h"
#include "main/object.h"
#include "main/event.h"
#include "main/mainloop.h"
struct particle {
float progress;
float angle_sin, angle_cos;
};
struct particle_sort {
int num;
float z;
};
typedef void (APIENTRY *PFNGLLOCKARRAYSEXTPROC)(GLint first, GLsizei count);
typedef void (APIENTRY *PFNGLUNLOCKARRAYSEXTPROC)(void);
class ParticlePathHandler : public Event {
protected:
Texture *tex;
particle *particles;
int num_particles;
float size, speed, radius;
float last_progress, headstart, streamlength;
vertex *vert;
texcoord *tc;
particle_sort *particle_sortdata;
bool has_compiled_vertex_array;
PFNGLLOCKARRAYSEXTPROC glLockArraysEXT;
PFNGLUNLOCKARRAYSEXTPROC glUnlockArraysEXT;
void spawn_particle(int i, float progress);
inline float find_roty_from_deriv(float t);
bool uniform;
public:
ParticlePathHandler(MainLoop *ml, const char *title, const char *elem, Hashtable *attr);
~ParticlePathHandler();
void start_effect();
void draw_scene(float progress);
void end_effect();
};
#endif /* !defined(_PARTICLEPATHHANDLER_H) */
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