Method removeSystem

tests/cpp-tests/Source/ParticleTest/ParticleTest.cpp:2791–2812

}

void AddAndDeleteParticleSystems::removeSystem(float dt)
{
    ssize_t nChildrenCount = _batchNode->getChildren().size();
    if (nChildrenCount > 0)
    {
        AXLOGD("remove random system");
        unsigned int uRand = rand() % (nChildrenCount - 1);
        _batchNode->removeChild(_batchNode->getChildren().at(uRand), true);

        auto particleSystem = ParticleSystemQuad::create("Particles/Spiral.plist");
        // add new

        particleSystem->setPositionType(ParticleSystem::PositionType::GROUPED);
        particleSystem->setTotalParticles(200);

        particleSystem->setPosition(Vec2(rand() % 300, rand() % 400));

        AXLOGD("add a new system");
        unsigned int randZ = rand() % 100;
        _batchNode->addChild(particleSystem, randZ, -1);
    }
}

void AddAndDeleteParticleSystems::update(float dt)
{