void ParticleComponent::update(sf::Time dt)
{
if (mEmitting)
{
emitParticles(computeParticleCount(dt));
}
mNeedsVertexUpdate = true;
for (std::size_t i = 0; i < mParticles.size();)
{
updateParticle(mParticles[i], dt); // lifetime, move, rotate
if (mParticles[i].passedLifetime < mParticles[i].totalLifetime)
{
for (std::size_t j = 0; j < mAffectors.size(); ++j)
{
if (mAffectors[j])
{
mAffectors[j](mParticles[i], dt);
}
}
++i;
}
else
{
mParticles.erase(mParticles.begin() + i);
}
}
}
void UniversalEmitter::operator() (EmissionInterface& system, sf::Time dt)
{
const std::size_t nbParticles = computeParticleCount(dt);
for (std::size_t i = 0; i < nbParticles; ++i)
{
// Create particle and specify parameters
Particle particle( mParticleLifetime() );
particle.position = mParticlePosition();
particle.velocity = mParticleVelocity();
particle.rotation = mParticleRotation();
particle.rotationSpeed = mParticleRotationSpeed();
particle.scale = mParticleScale();
particle.color = mParticleColor();
particle.textureIndex = mParticleTextureIndex();
system.emitParticle(particle);
}
}
