src/SDL2_particles.h

   1 #ifndef _SDL2_PARTICLES_H
   2 #define _SDL2_PARTICLES_H
   3
   4 #include <SDL.h>
   5
   6 #define PARTICLES_PER_SYSTEM 255
   7
   8 typedef struct particle_t {
   9         float x;
  10         float y;
  11         Sint32 ttl;
  12         float ang;
  13         Uint32 spd;
  14         Uint32 size;
  15 } particle_t;
  16
  17 typedef struct particle_system {
  18         Sint16 x;
  19         Sint16 y;
  20         particle_t particle[PARTICLES_PER_SYSTEM];
  21         Uint16 limit;
  22         Uint16 spawn;
  23         void (*init)(particle_t *part);
  24         void (*move)(particle_t *part);
  25         void (*reset)(particle_t *part);
  26 } particle_system;
  27
  28 extern void PS_Update(particle_system *ps);
  29 extern void PS_Render(SDL_Renderer *target, particle_system *ps, SDL_Color *colors, int num_colors, Uint32 bx, Uint32 by);
  30
  31 /* default handlers */
  32 extern void basic_particle_init(particle_t *p);
  33 extern void basic_particle_move(particle_t *p);
  34 extern void basic_particle_reset(particle_t *p);
  35
  36 #endif /* _SDL2_PARTICLES_H */