Method UpdateWeather

TombEngine/Game/effects/weather.cpp:325–526

	}

	void EnvironmentController::UpdateWeather(const ScriptInterfaceLevel& level)
	{
		for (auto& part : Particles)
		{
			part.StoreInterpolationData();

			part.Life -= 2;

			// Disable particle if dead. Will be cleaned on next call of SpawnWeatherParticles().
			if (part.Life <= 0)
			{
				part.Enabled = false;
				continue;
			}

			// Check if particle got out of collision check radius and fade out if it did.
			if (abs(Camera.pos.x - part.Position.x) > COLLISION_CHECK_DISTANCE ||
				abs(Camera.pos.z - part.Position.z) > COLLISION_CHECK_DISTANCE)
			{
				part.Life = std::clamp(part.Life, 0.0f, WEATHER_PARTICLE_NEAR_DEATH_LIFE);
			}

			// If particle was locked (after landing or stucking in substance such as water or swamp),
			// fade out and bypass collision checks and movement updates.
			if (part.Stopped)
			{
				if (part.Type == WeatherType::Snow)
					part.Size *= WEATHER_PARTICLE_NEAR_DEATH_MELT_FACTOR;

				continue;
			}

			// Backup previous position and progress new position according to velocity.
			auto prevPos = part.Position;
			part.Position.x += part.Velocity.x;
			part.Position.z += part.Velocity.z;

			switch (part.Type)
			{
			case WeatherType::None:
				part.Position.y += part.Velocity.y;
				break;

			case WeatherType::Rain:
			case WeatherType::Snow:
				part.Position.y += (part.Velocity.y / 2.0f);
				break;
			}

			// Particle is inert; don't check collisions.
			if (part.Type == WeatherType::None)
				continue;

			PointCollisionData pointColl;
			bool collisionCalculated = false;
			bool landed = false;

			if (part.CollisionCheckDelay <= 0)