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1 #ifndef PSYSPP_H_
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2 #define PSYSPP_H_
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3
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4 #include "xform_node.h"
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5 #include "texture.h"
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6 #include <psys/psys.h>
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7
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8 namespace goatgfx {
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9
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10 class ParticleSystemAttributes {
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11 private:
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12 Texture *tex;
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13 psys_attributes *psattr;
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14 bool own_psattr;
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15
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16 public:
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17 ParticleSystemAttributes();
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18 ParticleSystemAttributes(psys_attributes *psattr);
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19 ~ParticleSystemAttributes();
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20
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21 ParticleSystemAttributes(const ParticleSystemAttributes &rhs);
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22 ParticleSystemAttributes &operator =(const ParticleSystemAttributes &rhs);
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23
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24 bool load(const char *fname);
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25 bool load(FILE *fp);
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26 bool save(const char *fname) const;
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27 bool save(FILE *fp) const;
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28
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29 // particle attributes
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30 void set_part_color(const Vector3 &color, float t = 0);
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31 void set_part_alpha(float alpha, float t = 0);
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32 void set_part_scale(float size, float t = 0);
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33
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34 // emmiter attributes
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35 void set_texture(Texture *tex);
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36 Texture *get_texture() const;
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37
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38 void set_spawn_range(const Vector3 &range, long tm = 0);
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39
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40 void set_spawn_rate(float rate, long tm = 0);
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41 float get_spawn_rate(long tm = 0) const;
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42
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43 void set_life(float life, float range = 0.0, long tm = 0);
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44 void set_size(float sz, float range = 0.0, long tm = 0);
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45 void set_spawn_dir(const Vector3 &dir, const Vector3 &range = Vector3(0, 0, 0), long tm = 0);
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46
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47 void set_gravity(const Vector3 &grav, long tm = 0);
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48 void set_drag(float drag);
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49
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50 void set_particle_limit(int lim);
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51 };
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52
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53 class ParticleSystem : public XFormNode {
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54 private:
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55 psys_emitter psys;
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56 ParticleSystemAttributes attr;
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57
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58 long start_time; // subtracted from all time calculations
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59 long last_upd_time;
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60
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61 public:
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62 ParticleSystem();
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63 ~ParticleSystem();
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64
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65 void set_start_time(long tm);
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66
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67 bool is_active() const;
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68
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69 ParticleSystemAttributes *get_attr();
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70 const ParticleSystemAttributes *get_attr() const;
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71
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72 void set_attr(const ParticleSystemAttributes &pattr);
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73
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74 bool load(const char *fname);
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75 bool save(const char *fname) const;
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76
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77 void update(long tm);
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78 void draw() const;
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79 };
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80
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81 } // namespace goatgfx
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82
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83 #endif // PSYSPP_H_
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