[3245] | 1 | /*! |
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[3925] | 2 | \file particle_system.h |
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[3329] | 3 | |
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[3245] | 4 | */ |
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[1853] | 5 | |
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[3925] | 6 | #ifndef _PARTICLE_SYSTEM_H |
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| 7 | #define _PARTICLE_SYSTEM_H |
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[1853] | 8 | |
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[4493] | 9 | #include "world_entity.h" |
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[4377] | 10 | #include "physics_interface.h" |
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| 11 | |
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[4381] | 12 | #include "glincl.h" |
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[3925] | 13 | #include "vector.h" |
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[3930] | 14 | |
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[4421] | 15 | #include "quick_animation.h" |
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| 16 | |
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[4478] | 17 | #define PARTICLE_DOT_MASK 0x000001 //!< A Mask if the Particles should be displayed as DOTs |
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| 18 | #define PARTICLE_SPARK_MASK 0x000010 //!< A Mask if the Particles should be displayed as SPARKs |
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| 19 | #define PARTICLE_SPRITE_MASK 0x000100 //!< A Mask if the Particles should be displayed as SPRITESs |
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| 20 | #define PARTICLE_MODEL_MASK 0x001000 //!< A Mask if the Particles should be displayed as MODELSs |
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| 21 | #define PARTICLE_WORDL_ENTITY_MASK 0x010000 //!< A Mask if the Particles should be displayed as WORLD_ENTITIEs |
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| 22 | #define PARTICLE_MULTI_MASK 0x100000 //!< A Mask if they are Multi-partilces |
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[3956] | 23 | |
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[3930] | 24 | //! An enumerator for the different types of particles. |
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[4478] | 25 | typedef enum PARTICLE_TYPE { PARTICLE_DOT = PARTICLE_DOT_MASK, |
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| 26 | PARTICLE_SPARK = PARTICLE_SPARK_MASK, |
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| 27 | PARTICLE_SPRITE = PARTICLE_SPRITE_MASK, |
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| 28 | PARTICLE_MULTI_SPRITE = PARTICLE_SPRITE_MASK | PARTICLE_MULTI_MASK, |
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| 29 | PARTICLE_MODEL = PARTICLE_MODEL_MASK, |
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| 30 | PARTICLE_MULTI_MODE = PARTICLE_MODEL_MASK | PARTICLE_MULTI_MASK }; |
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[3930] | 31 | |
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[4478] | 32 | #define PARTICLE_DEFAULT_MAX_COUNT 200 //!< A default count of particles in the system. |
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[3942] | 33 | #define PARTICLE_DEFAULT_TYPE PARTICLE_SPRITE //!< A default type of the system. |
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[3930] | 34 | |
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[3925] | 35 | // FORWARD DEFINITION |
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[3926] | 36 | class Material; |
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[3930] | 37 | class ParticleEmitter; |
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[4338] | 38 | class Field; |
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[3543] | 39 | |
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[3925] | 40 | //! A struct for one Particle |
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| 41 | typedef struct Particle |
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| 42 | { |
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[4493] | 43 | float lifeTime; //!< The time this particle has to live. |
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| 44 | float lifeCycle; //!< The fraction of time passed. (in percentage of its lifeTime) |
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[4338] | 45 | |
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[4493] | 46 | Vector position; //!< The current position of this particle. |
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| 47 | Vector velocity; //!< The current velocity of this particle. |
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| 48 | Vector extForce; //!< The external Force that influences this Particle. |
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| 49 | Quaternion rotation; //!< The current rotation of this particle. |
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| 50 | float mass; //!< The mass of this particle. |
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| 51 | float massRand; //!< A random mass |
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| 52 | float radius; //!< The current size of this particle. |
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| 53 | float radiusRand; //!< a random Radius |
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| 54 | GLfloat color [4]; //!< A Color for the particles. |
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[3930] | 55 | |
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[4493] | 56 | Particle* next; //!< pointer to the next particle in the List. (NULL if no preceding one) |
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[3925] | 57 | }; |
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[3543] | 58 | |
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[4394] | 59 | //! A class to handle ParticleSystems |
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[4493] | 60 | class ParticleSystem : public WorldEntity, public PhysicsInterface { |
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[4395] | 61 | |
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[1904] | 62 | public: |
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[4176] | 63 | ParticleSystem(unsigned int maxCount = PARTICLE_DEFAULT_MAX_COUNT, |
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| 64 | PARTICLE_TYPE type = PARTICLE_DEFAULT_TYPE); |
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[3925] | 65 | virtual ~ParticleSystem(); |
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[1853] | 66 | |
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[3942] | 67 | void setType(PARTICLE_TYPE particleType, int count = 0); |
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[3930] | 68 | void setMaterial(Material* material); |
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[3931] | 69 | void setLifeSpan(float lifeSpan, float randomLifeSpan = 0.0); |
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[3932] | 70 | void setConserve(float conserve); |
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[3245] | 71 | |
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[4430] | 72 | /* Per-Particle-Attributes */ |
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| 73 | void setRadius(float lifeCycleTime, float radius, float randRadius = 0.0); |
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| 74 | void setMass(float lifeCycleTime, float mass, float randMass = 0.0); |
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[4431] | 75 | void setColor(float lifeCycleTime, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); |
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[4338] | 76 | |
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| 77 | /** \returns the Type of the particles */ |
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| 78 | inline PARTICLE_TYPE getType(void) const { return this->particleType; }; |
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| 79 | /** \returns the Material that lies on this particles */ |
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| 80 | inline const Material* getMaterial(void) const { return this->material; }; |
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| 81 | /** \returns the lifespan of the particles */ |
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| 82 | inline float getLifeSpan(void) const { return this->lifeSpan; }; |
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| 83 | /** \returns the starting-radius of the particles */ |
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[4433] | 84 | inline float getStartRadius(void) { return this->radiusAnim.getValue(0.0); }; |
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[4338] | 85 | /** \returns the end-radius of the particles */ |
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[4433] | 86 | inline float getEndRadius(void) { return this->radiusAnim.getValue(1.0); }; |
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[4338] | 87 | /** \returns the conserve-factor of the particles */ |
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| 88 | inline float getConserve(void) const { return this->conserve; }; |
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| 89 | /** \returns the initial mass of the particles */ |
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| 90 | inline float getMass(void) const { return this->initialMass; }; |
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| 91 | |
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[4395] | 92 | virtual void applyField(Field* field); |
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[4478] | 93 | /** \brief this is an empty function, because the Physics are implemented in tick \param dt: useless here */ |
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[4396] | 94 | virtual void tickPhys(float dt) {}; |
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[4338] | 95 | |
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[4394] | 96 | void addParticle(const Vector& position, const Vector& velocity, unsigned int data = 0); |
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| 97 | |
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[4493] | 98 | virtual void tick(float dt); |
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| 99 | virtual void draw(void) const; |
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[3931] | 100 | |
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[3944] | 101 | void debug(void); |
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| 102 | |
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[3245] | 103 | private: |
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[4478] | 104 | float conserve; //!< How much energy gets conserved to the next Tick. |
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| 105 | float lifeSpan; //!< Initial lifetime of a Particle. |
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| 106 | float randomLifeSpan; //!< A random value for the Lifespan (around the initial lifetime) |
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| 107 | float initialMass; //!< The initial Mass of the Particle |
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| 108 | float randomInitialMass; //!< The random initial Mass of the Particle |
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[3938] | 109 | |
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[4478] | 110 | int maxCount; //!< The maximum count of Particles. |
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| 111 | int count; //!< The current count of Particles. |
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| 112 | PARTICLE_TYPE particleType; //!< A type for all the Particles |
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| 113 | Material* material; //!< A Material for all the Particles. |
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| 114 | Particle* particles; //!< A list of particles of this System. |
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| 115 | Particle* deadList; //!< A list of dead Particles in the System. |
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[3932] | 116 | |
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[4478] | 117 | GLuint* glID; //!< A List of different gl-List-ID's |
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| 118 | GLuint dialectCount; //!< How many different types of particles are there in the Particle System |
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[4421] | 119 | |
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[4431] | 120 | // per particle attributes |
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[4493] | 121 | QuickAnimation radiusAnim; //!< Animation of the radius |
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| 122 | QuickAnimation randRadiusAnim; //!< Animation of the random Value of the radius |
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| 123 | QuickAnimation massAnim; //!< Animation of the mass |
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| 124 | QuickAnimation randMassAnim; //!< Animation of the random Mass |
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| 125 | QuickAnimation colorAnim[4]; //!< Animation of the 4 colors (r,g,b,a) |
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[1853] | 126 | }; |
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| 127 | |
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[3925] | 128 | #endif /* _PARTICLE_SYSTEM_H */ |
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