Method OnUpdate

Sources/nCine/Graphics/ParticleSystem.cpp:191–233

	}

	void ParticleSystem::OnUpdate(float timeMult)
	{
		if (!updateEnabled_) {
			return;
		}

		// Overridden `update()` method should call `transform()` like `SceneNode::update()` does
		SceneNode::transform();

		for (std::int32_t i = std::int32_t(children_.size()) - 1; i >= 0; i--) {
			Particle* particle = static_cast<Particle*>(children_[i]);

			// Update the particle if it's alive
			if (particle->isAlive()) {
				// Calculating the normalized age only once per particle
				const float normalizedAge = 1.0f - particle->life_ / particle->startingLife;
				for (auto& affector : affectors_) {
					affector->affect(particle, normalizedAge);
				}

				particle->OnUpdate(timeMult);

				// Releasing the particle if it has just died
				if (!particle->isAlive()) {
					poolTop_++;
					particlePool_[poolTop_] = particle;
					removeChildNodeAt(i);
					continue;
				}

				// Transforming the particle only if it's still alive
				particle->transform();
			}
		}

		lastFrameUpdated_ = theApplication().GetFrameCount();

#if defined(WITH_TRACY)
		// TODO: Tracy
		//tracyInfoString.format("Alive: %d", numAliveParticles());
		//ZoneText(tracyInfoString.data(), tracyInfoString.length());
#endif
	}

	ParticleSystem::ParticleSystem(const ParticleSystem& other)
		: SceneNode(other), poolSize_(other.poolSize_), poolTop_(other.poolSize_ - 1), particlePool_(other.poolSize_),