diff options
Diffstat (limited to 'src/crepe/ParticleSystem.cpp')
| -rw-r--r-- | src/crepe/ParticleSystem.cpp | 21 | 
1 files changed, 9 insertions, 12 deletions
diff --git a/src/crepe/ParticleSystem.cpp b/src/crepe/ParticleSystem.cpp index 367f56c..f3cb939 100644 --- a/src/crepe/ParticleSystem.cpp +++ b/src/crepe/ParticleSystem.cpp @@ -10,13 +10,12 @@ ParticleSystem::ParticleSystem() : m_elapsedTime(0.0f) {}  // Initialize m_elaps  void ParticleSystem::update(float deltaTime, std::vector<ParticleEmitter>& emitters) {      for (ParticleEmitter& emitter : emitters) { -        m_elapsedTime = deltaTime; - -        //spawn new particles if enough time passed and the max is not achieved -        while (m_elapsedTime >= (1.0f / emitter.m_emissionRate) && emitter.particles.size() < emitter.m_maxParticles) { -            m_elapsedTime -= (1.0f / emitter.m_emissionRate); +        float updateAmount = 1/static_cast<float>(emitter.m_emissionRate); +        for (float i = 0; i < deltaTime; i += updateAmount) +        {              emitParticle(emitter);          } +                  //update/move particles afterwards delete if not alive.          std::vector<Particle>::iterator it = emitter.particles.begin();          while (it != emitter.particles.end()) { @@ -32,7 +31,7 @@ void ParticleSystem::update(float deltaTime, std::vector<ParticleEmitter>& emitt  }  void ParticleSystem::emitParticle(ParticleEmitter& emitter) { -    std::cout << "new emitter:" << std::endl; +    // std::cout << "new emitter:" << std::endl;      Particle::Position initialPosition = { emitter.m_position.x, emitter.m_position.y };      float randomAngle = 0.0f;      //check if value is overthe 360 degrees @@ -45,18 +44,16 @@ void ParticleSystem::emitParticle(ParticleEmitter& emitter) {          randomAngle = emitter.m_minAngle + (std::rand() % (static_cast<int>(emitter.m_maxAngle - emitter.m_minAngle + 1)));      } -    std::cout << "randomAngle:" << randomAngle << std::endl; +      float angleInRadians = randomAngle * (M_PI / 180.0f);      float randomSpeedOffset = (static_cast<float>(std::rand()) / RAND_MAX) * (2 * emitter.m_speedOffset) - emitter.m_speedOffset;      float velocityX = (emitter.m_speed + randomSpeedOffset) * std::cos(angleInRadians);      float velocityY = (emitter.m_speed + randomSpeedOffset) * std::sin(angleInRadians); -    std::cout << "velocityX:" << velocityX << std::endl; -    std::cout << "velocityY:" << velocityY << std::endl;      Particle::Position initialVelocity = {          velocityX,          velocityY      }; -    std::cout << "initialVelocityX:" << initialVelocity.x << std::endl; -    std::cout << "initialVelocityY:" << initialVelocity.y << std::endl; -    emitter.particles.emplace_back(2.0f, initialPosition, initialVelocity); +    // std::cout << "emitter.m_endLifespan:" << emitter.m_endLifespan << std::endl; + +    emitter.particles.emplace_back(emitter.m_endLifespan, initialPosition, initialVelocity);  }  |