1 | /*! |
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2 | \file particle_system.h |
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3 | |
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4 | */ |
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5 | |
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6 | #ifndef _PARTICLE_SYSTEM_H |
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7 | #define _PARTICLE_SYSTEM_H |
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8 | |
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9 | #include "base_object.h" |
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10 | #include "vector.h" |
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11 | |
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12 | //! An enumerator for the different types of particles. |
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13 | typedef enum PARTICLE_TYPE {PARTICLE_DOT, |
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14 | PARTICLE_SPRITE, |
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15 | PARTICLE_MULTI_SPRITE, |
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16 | PARTICLE_OBJECT, |
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17 | PARTICLE_MULTI_OBJECT, |
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18 | PARTICLE_PRIMITIVE}; |
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19 | |
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20 | #define PARTICLE_DEFAULT_MAX_COUNT 200 //!< a default count of particles in the system. |
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21 | #define PARTICLE_DEFAULT_TYPE PARTICLE_SPRITE //!< A default type of the system. |
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22 | |
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23 | // FORWARD DEFINITION |
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24 | class Material; |
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25 | class ParticleEmitter; |
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26 | |
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27 | |
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28 | //! A struct for one Particle |
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29 | typedef struct Particle |
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30 | { |
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31 | float timeToLive; //!< The time this particle lives from NOW on. |
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32 | Vector position; //!< The current position of this particle. |
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33 | Vector velocity; //!< The current velocity of this particle. |
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34 | Quaternion rotation; //!< The current rotation of this particle. |
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35 | float mass; //!< The mass of this particle. |
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36 | float radius; //!< The current size of this particle. |
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37 | float radiusIt; //!< The difference of the Size per second. |
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38 | |
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39 | Particle* next; //!< pointer to the next particle in the List. (NULL if no preceding one) |
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40 | }; |
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41 | |
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42 | //! A class to handle particle Systems |
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43 | class ParticleSystem : public BaseObject { |
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44 | friend class ParticleEmitter; |
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45 | |
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46 | public: |
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47 | ParticleSystem(unsigned int maxCount = PARTICLE_DEFAULT_MAX_COUNT, PARTICLE_TYPE type = PARTICLE_DEFAULT_TYPE); |
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48 | virtual ~ParticleSystem(); |
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49 | |
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50 | void setMaterial(Material* material); |
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51 | void setInheritSpeed(float value); |
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52 | void setLifeSpan(float lifeSpan, float randomLifeSpan = 0.0); |
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53 | void setRadius(float startRadius, float endRadius, float randomRadius = 0.0); |
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54 | void setConserve(float conserve); |
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55 | void setMass(float mass, float randomMass); |
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56 | |
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57 | void tick(float dt); |
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58 | void draw(void); |
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59 | |
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60 | private: |
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61 | float conserve; //!< How much energy gets conserved to the next Tick. |
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62 | float lifeSpan; //!< Initial lifetime of a Particle. |
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63 | float randomLifeSpan; |
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64 | float startRadius; |
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65 | float endRadius; |
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66 | float randomRadius; |
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67 | float initialMass; |
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68 | float randomInitialMass; |
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69 | float inheritSpeed; |
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70 | |
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71 | // particles |
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72 | int maxCount; //!< The maximum count of Particles. |
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73 | int count; //!< The current count of Particles. |
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74 | PARTICLE_TYPE particleType;//!< A type for all the Particles |
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75 | Material* material; //!< A Material for all the Particles. |
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76 | Particle* particles; //!< A list of particles of this System. |
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77 | |
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78 | |
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79 | void addParticle(Vector position, Vector velocity, unsigned int data = 0); |
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80 | |
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81 | }; |
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82 | |
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83 | #endif /* _PARTICLE_SYSTEM_H */ |
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