void CParticleSystem::SetBufferData() {
if (m_pParticleSystem)
g_PhysxManager->GetActiveScene()->removeActor(*m_pParticleSystem);
if (!m_Emitter.m_useSkeleton) {
m_pParticleSystem = g_PhysxManager->CreateParticleSystem(m_numParticles);
}
m_particles.initialize(m_numParticles);
VEC3 offset = GetOffsetPosition();
PxVec3 pos = PxVec3(0, 0, 0);
for (int i = 0; i < m_numParticles; i++) {
m_particles.indexBuffer[i] = i;
m_particles.maxLifeTimeBuffer[i] = *m_Emitter.GetLifeTime() + random(*m_Emitter.GetLifeTimeRandomMin(), *m_Emitter.GetLifeTimeRandomMax()); //max time
pos = *m_Emitter.GetPosition() + PhysxConversion::Vec3ToPxVec3(offset);
m_particles.positionBuffer[i] = pos;
m_particles.velocityBuffer[i] = *m_Emitter.GetVelocity();
m_particles.negativeVelocityBuffer[i] = -*m_Emitter.GetVelocity();
m_particles.lifeTimeBuffer[i] = m_particles.maxLifeTimeBuffer[i];
dbg("Particle %d - max lifetime = %f\n", i, m_particles.lifeTimeBuffer[i]);
m_particles.positionInitBuffer[i] = pos;
m_particles.velocityInitBuffer[i] = m_initial_velocity;
m_particles.colorBuffer[i] = PhysxConversion::PxVec4ToVec4(*m_Emitter.GetColor());
m_particles.colorOriginBuffer[i] = m_particles.colorBuffer[i];
}
m_particles.speed_frame = frames_speed;
m_particles.numParticles = m_numParticles;
bool ret = true;
//m_pParticleValidity = (PxU32*)PX_ALLOC(((m_pParticleSystem->getMaxParticles() + 31) >> 5) << 2, "validParticleBitmap");
if (!m_Emitter.m_useSkeleton) {
m_pIndexPool = PxParticleExt::createIndexPool(m_numParticles);
m_pParticleValidity = std::vector<PxU32>(((m_pParticleSystem->getMaxParticles() + 31) >> 5) << 2).data();
ret = CreateParticles(m_particles);
}
Ogre::Vector2 UserInterfaceComponent::GetScreenPosition() const
{
return GetOffsetPosition() + GetPosition();
}
