1 #ifndef PSYSPP_H_

2 #define PSYSPP_H_

3

4 #include "xform_node.h"

5 #include "texture.h"

6 #include <psys/psys.h>

7

8 class ParticleSystemAttributes {

9 private:

10 Texture *tex;

11 psys_attributes *psattr;

12 bool own_psattr;

13

14 public:

15 ParticleSystemAttributes();

16 ParticleSystemAttributes(psys_attributes *psattr);

17 ~ParticleSystemAttributes();

18

19 ParticleSystemAttributes(const ParticleSystemAttributes &rhs);

20 ParticleSystemAttributes &operator =(const ParticleSystemAttributes &rhs);

21

22 bool load(const char *fname);

23 bool load(FILE *fp);

24 bool save(const char *fname) const;

25 bool save(FILE *fp) const;

26

27 // particle attributes

28 void set_part_color(const Vector3 &color, float t = 0);

29 void set_part_alpha(float alpha, float t = 0);

30 void set_part_scale(float size, float t = 0);

31

32 // emmiter attributes

33 void set_texture(Texture *tex);

34 Texture *get_texture() const;

35

36 void set_spawn_range(const Vector3 &range, long tm = 0);

37

38 void set_spawn_rate(float rate, long tm = 0);

39 float get_spawn_rate(long tm = 0) const;

40

41 void set_life(float life, float range = 0.0, long tm = 0);

42 void set_size(float sz, float range = 0.0, long tm = 0);

43 void set_spawn_dir(const Vector3 &dir, const Vector3 &range = Vector3(0, 0, 0), long tm = 0);

44

45 void set_gravity(const Vector3 &grav, long tm = 0);

46 void set_drag(float drag);

47

48 void set_particle_limit(int lim);

49 };

50

51 class ParticleSystem : public XFormNode {

52 private:

53 psys_emitter psys;

54 ParticleSystemAttributes attr;

55

56 long start_time; // subtracted from all time calculations

57 long last_upd_time;

58

59 public:

60 ParticleSystem();

61 ~ParticleSystem();

62

63 void set_start_time(long tm);

64

65 bool is_active() const;

66

67 ParticleSystemAttributes *get_attr();

68 const ParticleSystemAttributes *get_attr() const;

69

70 void set_attr(const ParticleSystemAttributes &pattr);

71

72 bool load(const char *fname);

73 bool save(const char *fname) const;

74

75 void update(long tm);

76 void draw() const;

77 };

78

79 #endif // PSYSPP_H_