[4597] | 1 | /* |
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[1853] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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[1855] | 10 | |
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| 11 | ### File Specific: |
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[3925] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[3934] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PARTICLE |
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[1853] | 17 | |
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[3925] | 18 | #include "particle_system.h" |
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[1853] | 19 | |
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[3930] | 20 | #include "particle_emitter.h" |
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| 21 | #include "particle_engine.h" |
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[4338] | 22 | |
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| 23 | #include "field.h" |
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| 24 | |
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[3932] | 25 | #include "compiler.h" |
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[3942] | 26 | #include "material.h" |
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[4338] | 27 | #include "state.h" |
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[4663] | 28 | #include "objModel.h" |
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[3930] | 29 | |
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[4602] | 30 | #include "tinyxml.h" |
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[4338] | 31 | |
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[1856] | 32 | using namespace std; |
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[1853] | 33 | |
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[3245] | 34 | /** |
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| 35 | \brief standard constructor |
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[4478] | 36 | \param maxCount the Count of particles in the System |
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[3930] | 37 | \param type The Type of the ParticleSystem |
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[3245] | 38 | */ |
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[4397] | 39 | ParticleSystem::ParticleSystem (unsigned int maxCount, PARTICLE_TYPE type) : PhysicsInterface(this) |
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[3365] | 40 | { |
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[4602] | 41 | this->init(); |
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[4597] | 42 | |
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[4338] | 43 | this->maxCount = maxCount; |
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| 44 | this->setType(type, 1); |
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[3365] | 45 | } |
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[1853] | 46 | |
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[4677] | 47 | /** |
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| 48 | \brief creates a Particle System out of a XML-element |
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| 49 | \param root: the XML-element to load from |
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| 50 | */ |
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[4602] | 51 | ParticleSystem::ParticleSystem(const TiXmlElement* root) : PhysicsInterface(this) |
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| 52 | { |
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| 53 | this->init(); |
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| 54 | this->loadParams(root); |
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| 55 | } |
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[1853] | 56 | |
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[3245] | 57 | /** |
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| 58 | \brief standard deconstructor |
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| 59 | */ |
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[4176] | 60 | ParticleSystem::~ParticleSystem() |
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[3543] | 61 | { |
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| 62 | // delete what has to be deleted here |
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[3935] | 63 | ParticleEngine::getInstance()->removeSystem(this); |
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[4123] | 64 | |
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| 65 | // deleting all the living Particles |
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| 66 | while (this->particles) |
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| 67 | { |
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| 68 | Particle* tmpDelPart = this->particles; |
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| 69 | this->particles = this->particles->next; |
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| 70 | delete tmpDelPart; |
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| 71 | } |
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| 72 | |
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| 73 | // deleting all the dead particles |
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| 74 | while (this->deadList) |
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| 75 | { |
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| 76 | Particle* tmpDelPart = this->deadList; |
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| 77 | this->deadList = this->deadList->next; |
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| 78 | delete tmpDelPart; |
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| 79 | } |
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[4176] | 80 | |
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| 81 | if (this->material) |
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| 82 | delete this->material; |
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[4715] | 83 | |
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| 84 | ResourceManager::getInstance()->unload(this->model); |
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[3543] | 85 | } |
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[1853] | 86 | |
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[3945] | 87 | /** |
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[4602] | 88 | \brief initializes the ParticleSystem with default values |
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| 89 | */ |
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| 90 | void ParticleSystem::init(void) |
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| 91 | { |
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| 92 | this->setClassID(CL_PARTICLE_SYSTEM, "ParticleSystem"); |
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| 93 | |
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| 94 | this->material = NULL; |
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[4663] | 95 | this->model = NULL; |
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[4602] | 96 | this->maxCount = PARTICLE_DEFAULT_MAX_COUNT; |
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| 97 | this->count = 0; |
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| 98 | this->particles = NULL; |
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| 99 | this->deadList = NULL; |
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| 100 | this->setConserve(1); |
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| 101 | this->setLifeSpan(1); |
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| 102 | this->glID = NULL; |
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| 103 | this->setType(PARTICLE_DEFAULT_TYPE, 1); |
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| 104 | ParticleEngine::getInstance()->addSystem(this); |
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| 105 | } |
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| 106 | |
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| 107 | |
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| 108 | /** |
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| 109 | * loads Parameters from a TiXmlElement |
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| 110 | * @param root the XML-element to load from. |
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| 111 | */ |
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| 112 | void ParticleSystem::loadParams(const TiXmlElement* root) |
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| 113 | { |
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| 114 | static_cast<WorldEntity*>(this)->loadParams(root); |
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| 115 | static_cast<PhysicsInterface*>(this)->loadParams(root); |
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| 116 | |
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| 117 | //LoadParam<ParticleSystem>(root, "type", this, &ParticleSystem::setType); |
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| 118 | LoadParam<ParticleSystem>(root, "life-span", this, &ParticleSystem::setLifeSpan); |
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| 119 | LoadParam<ParticleSystem>(root, "conserve", this, &ParticleSystem::setConserve); |
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| 120 | // void setLifeSpan(float lifeSpan, float randomLifeSpan = 0.0); |
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| 121 | // void setConserve(float conserve); |
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| 122 | // |
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| 123 | // /* Per-Particle-Attributes */ |
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| 124 | // void setRadius(float lifeCycleTime, float radius, float randRadius = 0.0); |
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| 125 | // void setMass(float lifeCycleTime, float mass, float randMass = 0.0); |
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| 126 | // void setColor(float lifeCycleTime, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); |
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| 127 | |
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| 128 | } |
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| 129 | |
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| 130 | /** |
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[4478] | 131 | \param particleType the type of particles in this System |
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| 132 | \param count how many particles (in PARTICLE_MULTI-mode) |
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[3945] | 133 | \todo this will be different |
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| 134 | */ |
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[3942] | 135 | void ParticleSystem::setType(PARTICLE_TYPE particleType, int count) |
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| 136 | { |
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| 137 | this->particleType = particleType; |
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| 138 | this->dialectCount = count; |
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[4338] | 139 | // if (glID != NULL) |
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| 140 | // delete glID; |
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[3942] | 141 | |
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[4338] | 142 | // glID = new GLuint[count]; |
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| 143 | // for (int i = 0; i< count; i++) |
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| 144 | // glID[i] = 0; |
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[3942] | 145 | |
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[4338] | 146 | // glID[0] = glGenLists(count); |
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| 147 | if (this->material) |
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| 148 | delete this->material; |
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| 149 | this->material = NULL; |
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[3946] | 150 | |
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[4663] | 151 | switch (this->particleType) |
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[4338] | 152 | { |
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[4663] | 153 | case PARTICLE_SPRITE: |
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| 154 | this->material = new Material("transperencyMap"); |
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| 155 | this->material->setDiffuseMap("pictures/radialTransparency.png"); |
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[4338] | 156 | // material->setTransparency(.5); |
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[4663] | 157 | break; |
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| 158 | case PARTICLE_MODEL: |
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| 159 | if (!this->model) |
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| 160 | { |
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| 161 | PRINTF(2)("Model not loaded yet, please do this through ParticleSystem::loadModel()"); |
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| 162 | this->setType(PARTICLE_SPRITE); |
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| 163 | } |
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| 164 | break; |
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[4338] | 165 | } |
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[3942] | 166 | } |
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| 167 | |
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[3932] | 168 | // setting properties |
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[4478] | 169 | /** |
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| 170 | \brief sets the material to an external material |
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| 171 | \param material: the material to set this material to. |
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| 172 | |
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| 173 | !! important if the extern material gets deleted it MUST be unregistered here or segfault !! |
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| 174 | */ |
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[3932] | 175 | void ParticleSystem::setMaterial(Material* material) |
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| 176 | { |
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[3935] | 177 | this->material = material; |
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[3932] | 178 | } |
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[3931] | 179 | |
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[3938] | 180 | /** |
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[4663] | 181 | * sets a Model to the Particles |
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| 182 | * @param modelName the Name of the Model to load |
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| 183 | */ |
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| 184 | void ParticleSystem::setModel(const char* modelName) |
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| 185 | { |
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| 186 | if (this->model) |
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[4715] | 187 | ResourceManager::getInstance()->unload(this->model); |
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[4663] | 188 | if (modelName) |
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[4715] | 189 | { |
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| 190 | this->model = (Model*)ResourceManager::getInstance()->load(modelName, OBJ, RP_LEVEL); |
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| 191 | this->setType(PARTICLE_MODEL); |
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| 192 | } |
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| 193 | else |
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| 194 | { |
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| 195 | this->model = NULL; |
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| 196 | this->setType(PARTICLE_SPRITE); |
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| 197 | } |
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[4663] | 198 | } |
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| 199 | |
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| 200 | /** |
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[3945] | 201 | \brief Sets the lifespan of newly created particles |
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[4597] | 202 | */ |
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[3932] | 203 | void ParticleSystem::setLifeSpan(float lifeSpan, float randomLifeSpan) |
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| 204 | { |
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[3934] | 205 | this->lifeSpan = lifeSpan; |
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| 206 | this->randomLifeSpan = randomLifeSpan; |
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[3932] | 207 | } |
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| 208 | |
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[3945] | 209 | /** |
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[4430] | 210 | \brief sets the conserve Factor of newly created particles |
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[3945] | 211 | */ |
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[4430] | 212 | void ParticleSystem::setConserve(float conserve) |
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[3932] | 213 | { |
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[4430] | 214 | if (conserve > 1.0) |
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| 215 | this->conserve = 1.0; |
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| 216 | else if (conserve < 0.0) |
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| 217 | this->conserve = 0.0; |
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| 218 | else |
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| 219 | this->conserve = conserve; |
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[3932] | 220 | } |
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| 221 | |
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[4430] | 222 | ///////////////////////////// |
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| 223 | /* Per-Particle Attributes */ |
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| 224 | ///////////////////////////// |
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[3945] | 225 | /** |
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[4430] | 226 | \brief sets a key in the radius-animation on a per-particle basis |
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| 227 | \param lifeCycleTime the time (partilceLifeTime/particleAge) [0-1] |
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| 228 | \param radius the radius at this position |
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| 229 | \param randRadius the randRadius at this position |
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[4378] | 230 | */ |
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[4430] | 231 | void ParticleSystem::setRadius(float lifeCycleTime, float radius, float randRadius) |
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[4378] | 232 | { |
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[4649] | 233 | this->radiusAnim.changeEntry(lifeCycleTime, radius); |
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| 234 | this->randRadiusAnim.changeEntry(lifeCycleTime, randRadius); |
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[4378] | 235 | } |
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| 236 | |
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| 237 | /** |
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[4430] | 238 | \brief sets a key in the mass-animation on a per-particle basis |
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| 239 | \param lifeCycleTime the time (partilceLifeTime/particleAge) [0-1] |
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| 240 | \param mass the mass at this position |
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| 241 | \param randMass the randomMass at this position |
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[3945] | 242 | */ |
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[4430] | 243 | void ParticleSystem::setMass(float lifeCycleTime, float mass, float randMass) |
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[3932] | 244 | { |
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[4649] | 245 | this->massAnim.changeEntry(lifeCycleTime, mass); |
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| 246 | this->randMassAnim.changeEntry(lifeCycleTime, randMass); |
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[3932] | 247 | } |
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| 248 | |
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[3945] | 249 | /** |
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[4431] | 250 | \brief sets a key in the color-animation on a per-particle basis |
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[4478] | 251 | \param lifeCycleTime: the time (partilceLifeTime/particleAge) [0-1] |
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| 252 | \param red: red |
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| 253 | \param green: green |
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| 254 | \param blue: blue |
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| 255 | \param alpha: alpha |
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[4338] | 256 | */ |
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[4431] | 257 | void ParticleSystem::setColor(float lifeCycleTime, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) |
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[4338] | 258 | { |
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[4649] | 259 | this->colorAnim[0].changeEntry(lifeCycleTime, red); |
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| 260 | this->colorAnim[1].changeEntry(lifeCycleTime, green); |
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| 261 | this->colorAnim[2].changeEntry(lifeCycleTime, blue); |
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| 262 | this->colorAnim[3].changeEntry(lifeCycleTime, alpha); |
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[4338] | 263 | } |
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| 264 | |
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| 265 | /** |
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[3945] | 266 | \brief ticks the system. |
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| 267 | \param dt the time to tick all the Particles of the System |
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[3932] | 268 | |
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[3945] | 269 | this is used to get all the particles some motion |
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| 270 | */ |
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[3931] | 271 | void ParticleSystem::tick(float dt) |
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| 272 | { |
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[3934] | 273 | Particle* tickPart = particles; // the particle to Tick |
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[4692] | 274 | Particle* prevPart = NULL; |
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[3934] | 275 | while (likely(tickPart != NULL)) |
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[3932] | 276 | { |
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[4378] | 277 | // applying force to the System. |
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[4385] | 278 | if (likely (tickPart->mass > 0.0)) |
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[4597] | 279 | tickPart->velocity += tickPart->extForce / tickPart->mass * dt; |
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[4378] | 280 | // rendering new position. |
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[4687] | 281 | tickPart->position += tickPart->velocity * dt; |
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| 282 | tickPart->orientation += tickPart->momentum *dt; |
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| 283 | |
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[4434] | 284 | tickPart->radius = radiusAnim.getValue(tickPart->lifeCycle) |
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[4597] | 285 | + randRadiusAnim.getValue(tickPart->lifeCycle) * tickPart->radiusRand; |
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[4434] | 286 | |
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| 287 | tickPart->mass = massAnim.getValue(tickPart->lifeCycle) |
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[4597] | 288 | + randMassAnim.getValue(tickPart->lifeCycle) * tickPart->massRand; |
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| 289 | |
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[4338] | 290 | tickPart->extForce = Vector(0,0,0); |
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| 291 | |
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| 292 | // applying Color |
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[4431] | 293 | tickPart->color[0] = this->colorAnim[0].getValue(tickPart->lifeCycle); |
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| 294 | tickPart->color[1] = this->colorAnim[1].getValue(tickPart->lifeCycle); |
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| 295 | tickPart->color[2] = this->colorAnim[2].getValue(tickPart->lifeCycle); |
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| 296 | tickPart->color[3] = this->colorAnim[3].getValue(tickPart->lifeCycle); |
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| 297 | |
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[3932] | 298 | // many more to come |
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| 299 | |
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[3935] | 300 | if (this->conserve < 1.0) |
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[4691] | 301 | { |
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| 302 | tickPart->velocity *= this->conserve; |
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| 303 | tickPart->momentum *= this->conserve; |
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| 304 | } |
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[3934] | 305 | // find out if we have to delete tickPart |
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[4385] | 306 | if (unlikely((tickPart->lifeCycle += dt/tickPart->lifeTime) >= 1.0)) |
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[4597] | 307 | { |
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| 308 | // remove the particle from the list |
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| 309 | if (likely(prevPart != NULL)) |
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| 310 | { |
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| 311 | prevPart->next = tickPart->next; |
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| 312 | tickPart->next = this->deadList; |
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| 313 | this->deadList = tickPart; |
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| 314 | tickPart = prevPart->next; |
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| 315 | } |
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| 316 | else |
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| 317 | { |
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| 318 | prevPart = NULL; |
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| 319 | this->particles = tickPart->next; |
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| 320 | tickPart->next = this->deadList; |
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| 321 | this->deadList = tickPart; |
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| 322 | tickPart = this->particles; |
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| 323 | } |
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| 324 | --this->count; |
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| 325 | } |
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[3934] | 326 | else |
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[4597] | 327 | { |
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| 328 | prevPart = tickPart; |
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| 329 | tickPart = tickPart->next; |
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| 330 | } |
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[3932] | 331 | } |
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| 332 | } |
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| 333 | |
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[4597] | 334 | /** |
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[4338] | 335 | \brief applies some force to a Particle. |
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[4377] | 336 | \param field the Field to apply. |
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[4338] | 337 | */ |
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[4395] | 338 | void ParticleSystem::applyField(Field* field) |
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[4338] | 339 | { |
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| 340 | Particle* tickPart = particles; |
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| 341 | while (tickPart) |
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| 342 | { |
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[4395] | 343 | tickPart->extForce += field->calcForce(tickPart->position); |
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[4338] | 344 | tickPart = tickPart->next; |
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| 345 | } |
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| 346 | } |
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| 347 | |
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| 348 | |
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[3945] | 349 | /** |
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[4677] | 350 | * \returns the count of Faces of this ParticleSystem |
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| 351 | */ |
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| 352 | unsigned int ParticleSystem::getFaceCount(void) const |
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| 353 | { |
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| 354 | switch (this->particleType) |
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| 355 | { |
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| 356 | case PARTICLE_SPRITE: |
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| 357 | return this->count; |
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| 358 | break; |
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| 359 | case PARTICLE_MODEL: |
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| 360 | if (this->model) |
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| 361 | return this->count * this->model->getFaceCount(); |
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| 362 | break; |
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| 363 | } |
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| 364 | } |
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| 365 | |
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| 366 | |
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| 367 | /** |
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[3945] | 368 | \brief draws all the Particles of this System |
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[4338] | 369 | |
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| 370 | The Cases in this Function all do the same: |
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| 371 | Drawing all the particles with the appropriate Type. |
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| 372 | This is just the fastest Way to do this, but will most likely be changed in the future. |
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[4663] | 373 | */ |
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[4349] | 374 | void ParticleSystem::draw(void) const |
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[3932] | 375 | { |
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[4176] | 376 | glPushAttrib(GL_ENABLE_BIT); |
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[4338] | 377 | |
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[4176] | 378 | Particle* drawPart = particles; |
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[4597] | 379 | |
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[4176] | 380 | switch (this->particleType) |
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[4663] | 381 | { |
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[4338] | 382 | default: |
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[4176] | 383 | case PARTICLE_SPRITE: |
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[4667] | 384 | glDisable(GL_LIGHTING); |
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[4176] | 385 | glMatrixMode(GL_MODELVIEW); |
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[4515] | 386 | glDepthMask(GL_FALSE); |
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[4338] | 387 | |
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[4597] | 388 | material->select(); |
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[4357] | 389 | //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
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[4338] | 390 | |
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[4597] | 391 | |
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[3934] | 392 | while (likely(drawPart != NULL)) |
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[4663] | 393 | { |
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| 394 | glColor4fv(drawPart->color); |
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[4597] | 395 | //! \todo implement a faster code for the look-at Camera algorithm. |
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[4338] | 396 | |
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[4663] | 397 | const PNode* camera = State::getInstance()->getCamera(); //!< \todo MUST be different |
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| 398 | Vector cameraPos = camera->getAbsCoor(); |
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| 399 | Vector cameraTargetPos = State::getInstance()->getCameraTarget()->getAbsCoor(); |
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| 400 | Vector view = cameraTargetPos - cameraPos; |
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| 401 | Vector up = Vector(0, 1, 0); |
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| 402 | up = camera->getAbsDir().apply(up); |
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| 403 | Vector h = up.cross(view); |
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| 404 | Vector v = h.cross(view); |
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| 405 | h.normalize(); |
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| 406 | v.normalize(); |
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| 407 | v *= .5 * drawPart->radius; |
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| 408 | h *= .5 * drawPart->radius; |
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[4338] | 409 | |
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[4663] | 410 | glBegin(GL_TRIANGLE_STRIP); |
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| 411 | glTexCoord2i(1, 1); |
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| 412 | glVertex3f(drawPart->position.x - h.x - v.x, |
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| 413 | drawPart->position.y - h.y - v.y, |
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| 414 | drawPart->position.z - h.z - v.z); |
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| 415 | glTexCoord2i(0, 1); |
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| 416 | glVertex3f(drawPart->position.x - h.x + v.x, |
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| 417 | drawPart->position.y - h.y + v.y, |
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| 418 | drawPart->position.z - h.z + v.z); |
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| 419 | glTexCoord2i(1, 0); |
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| 420 | glVertex3f(drawPart->position.x + h.x - v.x, |
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| 421 | drawPart->position.y + h.y - v.y, |
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| 422 | drawPart->position.z + h.z - v.z); |
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| 423 | glTexCoord2i(0, 0); |
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| 424 | glVertex3f(drawPart->position.x + h.x + v.x, |
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| 425 | drawPart->position.y + h.y + v.y, |
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| 426 | drawPart->position.z + h.z + v.z); |
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[4338] | 427 | |
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[4663] | 428 | glEnd(); |
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[4597] | 429 | |
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[4663] | 430 | drawPart = drawPart->next; |
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| 431 | } |
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[4515] | 432 | glDepthMask(GL_TRUE); |
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[4176] | 433 | break; |
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| 434 | |
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| 435 | case PARTICLE_SPARK: |
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[4667] | 436 | glDisable(GL_LIGHTING); |
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[4176] | 437 | glEnable(GL_LINE_SMOOTH); |
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| 438 | glBegin(GL_LINES); |
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| 439 | while (likely(drawPart != NULL)) |
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[4663] | 440 | { |
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| 441 | glColor4fv(drawPart->color); |
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| 442 | glVertex3f(drawPart->position.x, drawPart->position.y, drawPart->position.z); |
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| 443 | glVertex3f(drawPart->position.x - drawPart->velocity.x, |
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| 444 | drawPart->position.y - drawPart->velocity.y, |
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| 445 | drawPart->position.z - drawPart->velocity.z); |
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| 446 | drawPart = drawPart->next; |
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| 447 | } |
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[4176] | 448 | glEnd(); |
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| 449 | break; |
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[4597] | 450 | |
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[4663] | 451 | case PARTICLE_MODEL: |
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| 452 | { |
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[4687] | 453 | GLfloat matrix[4][4]; |
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[4663] | 454 | |
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[4687] | 455 | if (likely(this->model != NULL)) |
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| 456 | while (likely(drawPart != NULL)) |
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| 457 | { |
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| 458 | glPushMatrix(); |
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| 459 | glMatrixMode(GL_MODELVIEW); |
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| 460 | /* move */ |
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| 461 | glTranslatef(drawPart->position.x, drawPart->position.y, drawPart->position.z); |
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| 462 | /* scale */ |
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| 463 | glScalef(drawPart->radius, drawPart->radius, drawPart->radius); |
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| 464 | /* rotate */ |
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| 465 | drawPart->orientation.matrix (matrix); |
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| 466 | glMultMatrixf((float*)matrix); |
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[4663] | 467 | |
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[4687] | 468 | this->model->draw(); |
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[4663] | 469 | |
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[4687] | 470 | glPopMatrix(); |
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| 471 | drawPart = drawPart->next; |
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| 472 | } |
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[4663] | 473 | } |
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| 474 | break; |
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| 475 | |
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[4176] | 476 | case PARTICLE_DOT: |
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[4667] | 477 | glDisable(GL_LIGHTING); |
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[4176] | 478 | glBegin(GL_POINTS); |
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| 479 | while (likely(drawPart != NULL)) |
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[4663] | 480 | { |
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| 481 | glColor4fv(drawPart->color); |
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[4338] | 482 | |
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[4663] | 483 | glLineWidth(drawPart->radius); |
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[4176] | 484 | |
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[4663] | 485 | glVertex3f(drawPart->position.x, drawPart->position.y, drawPart->position.z); |
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| 486 | drawPart = drawPart->next; |
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| 487 | } |
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[4176] | 488 | glEnd(); |
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| 489 | break; |
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[4663] | 490 | } |
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[4176] | 491 | glPopAttrib(); |
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[3932] | 492 | } |
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| 493 | |
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[3945] | 494 | /** |
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| 495 | \brief adds a new Particle to the System |
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[4690] | 496 | \param position the initial position, where the particle gets emitted. |
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| 497 | \param velocity the initial velocity of the particle. |
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| 498 | \param orientation the initial orientation of the Paritcle. |
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| 499 | \param momentum the initial momentum of the Particle (the speed of its rotation). |
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[3945] | 500 | \param data some more data given by the emitter |
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| 501 | */ |
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[4690] | 502 | void ParticleSystem::addParticle(const Vector& position, const Vector& velocity, const Quaternion& orientation, const Quaternion& momentum, unsigned int data) |
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[3932] | 503 | { |
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[3934] | 504 | if (this->count <= this->maxCount) |
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[3932] | 505 | { |
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[3934] | 506 | // if it is the first Particle |
---|
| 507 | if (unlikely(particles == NULL)) |
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[4597] | 508 | { |
---|
| 509 | if (likely(deadList != NULL)) |
---|
| 510 | { |
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| 511 | this->particles = this->deadList; |
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| 512 | deadList = deadList->next; |
---|
| 513 | } |
---|
| 514 | else |
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| 515 | { |
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| 516 | PRINTF(5)("Generating new Particle\n"); |
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| 517 | this->particles = new Particle; |
---|
| 518 | } |
---|
| 519 | this->particles->next = NULL; |
---|
| 520 | } |
---|
[3934] | 521 | // filling the List from the beginning |
---|
| 522 | else |
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[4597] | 523 | { |
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| 524 | Particle* tmpPart; |
---|
| 525 | if (likely(deadList != NULL)) |
---|
| 526 | { |
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| 527 | tmpPart = this->deadList; |
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| 528 | deadList = deadList->next; |
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| 529 | } |
---|
| 530 | else |
---|
| 531 | { |
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| 532 | PRINTF(5)("Generating new Particle\n"); |
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| 533 | tmpPart = new Particle; |
---|
| 534 | } |
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| 535 | tmpPart->next = this->particles; |
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| 536 | this->particles = tmpPart; |
---|
| 537 | } |
---|
[4338] | 538 | particles->lifeTime = this->lifeSpan + (float)(rand()/RAND_MAX)* this->randomLifeSpan; |
---|
| 539 | particles->lifeCycle = 0.0; |
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[3934] | 540 | particles->position = position; |
---|
| 541 | particles->velocity = velocity; |
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[3951] | 542 | |
---|
[4690] | 543 | particles->orientation = orientation; |
---|
| 544 | particles->momentum = momentum; |
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[4687] | 545 | |
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[3934] | 546 | // particle->rotation = ; //! \todo rotation is once again something to be done. |
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[4434] | 547 | particles->massRand = 2*(float)rand()/RAND_MAX -1; |
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| 548 | particles->radiusRand = 2* (float)rand()/RAND_MAX -1; |
---|
| 549 | particles->mass = this->massAnim.getValue(0.0) + this->randMassAnim.getValue(0.0)*particles->massRand; |
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| 550 | particles->radius = this->radiusAnim.getValue(0.0) + this->randRadiusAnim.getValue(0.0)*particles->radiusRand; |
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[3934] | 551 | |
---|
| 552 | ++this->count; |
---|
[3932] | 553 | } |
---|
| 554 | else |
---|
[4017] | 555 | PRINTF(5)("maximum count of particles reached not adding any more\n"); |
---|
[3932] | 556 | } |
---|
[3931] | 557 | |
---|
[3944] | 558 | /** |
---|
| 559 | \brief outputs some nice debug information |
---|
| 560 | */ |
---|
[4691] | 561 | void ParticleSystem::debug(void) const |
---|
[3944] | 562 | { |
---|
[4493] | 563 | PRINT(0)(" ParticleSystem %s\n", this->getName()); |
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[3944] | 564 | PRINT(0)(" ParticleCount: %d, maximumCount: %d :: filled %d%%\n", this->count, this->maxCount, 100*this->count/this->maxCount); |
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[4123] | 565 | if (deadList) |
---|
| 566 | { |
---|
| 567 | PRINT(0)(" - ParticleDeadList is used: "); |
---|
| 568 | int i = 1; |
---|
| 569 | Particle* tmpPart = this->deadList; |
---|
| 570 | while (tmpPart = tmpPart->next) ++i; |
---|
| 571 | PRINT(0)("count: %d\n", i); |
---|
| 572 | } |
---|
[3944] | 573 | } |
---|