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 namespace goatgfx {

9

10 class ParticleSystemAttributes {

11 private:

12 Texture *tex;

13 psys_attributes *psattr;

14 bool own_psattr;

15

16 public:

17 ParticleSystemAttributes();

18 ParticleSystemAttributes(psys_attributes *psattr);

19 ~ParticleSystemAttributes();

20

21 ParticleSystemAttributes(const ParticleSystemAttributes &rhs);

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

23

24 bool load(const char *fname);

25 bool load(FILE *fp);

26 bool save(const char *fname) const;

27 bool save(FILE *fp) const;

28

29 // particle attributes

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

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

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

33

34 // emmiter attributes

35 void set_texture(Texture *tex);

36 Texture *get_texture() const;

37

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

39

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

41 float get_spawn_rate(long tm = 0) const;

42

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

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

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

46

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

48 void set_drag(float drag);

49

50 void set_particle_limit(int lim);

51 };

52

53 class ParticleSystem : public XFormNode {

54 private:

55 psys_emitter psys;

56 ParticleSystemAttributes attr;

57

58 long start_time; // subtracted from all time calculations

59 long last_upd_time;

60

61 public:

62 ParticleSystem();

63 ~ParticleSystem();

64

65 void set_start_time(long tm);

66

67 bool is_active() const;

68

69 ParticleSystemAttributes *get_attr();

70 const ParticleSystemAttributes *get_attr() const;

71

72 void set_attr(const ParticleSystemAttributes &pattr);

73

74 bool load(const char *fname);

75 bool save(const char *fname) const;

76

77 void update(long tm);

78 void draw() const;

79 };

80

81 } // namespace goatgfx

82

83 #endif // PSYSPP_H_