Method SpawnMeteorParticles

TombEngine/Game/effects/weather.cpp:671–722

	}

	void EnvironmentController::SpawnMeteorParticles(const ScriptInterfaceLevel& level)
	{
		// Clean up dead particles.
		if (!Meteors.empty())
		{
			Meteors.erase(
				std::remove_if(
					Meteors.begin(), Meteors.end(),
					[](const MeteorParticle& part)
					{
						return !part.Active;
					}),
				Meteors.end());
		}

		if (level.GetStarfieldMeteorCount() == 0)
			return;

		int density = level.GetStarfieldMeteorSpawnDensity();
		if (density > 0)
		{
			int newParticlesCount = 0;

			while (Meteors.size() < level.GetStarfieldMeteorCount())
			{
				if (newParticlesCount > density)
					break;

				auto horizontalDir = Random::GenerateDirection2D();

				auto part = MeteorParticle();

				part.Active = true;
				part.Life = METEOR_PARTICLE_LIFE_MAX;
				part.StartPosition =
					part.Position = Random::GenerateDirectionInCone(-Vector3::UnitY, 40.0f) * BLOCK(1.5f);
				part.Fade = 0.0f;
				part.Color = Vector3(
					Random::GenerateFloat(0.6f, 1.0f),
					Random::GenerateFloat(0.6f, 1.0f),
					Random::GenerateFloat(0.6f, 1.0f));

				part.Direction = Random::GenerateDirectionInCone(Vector3(horizontalDir.x, 0, horizontalDir.y), 10.0f);
				if (part.Direction.y < 0.0f)
					part.Direction.y = -part.Direction.y;

				Meteors.push_back(part);

				newParticlesCount++;
			}
		}
	}
}