Method coroutineCallback

tests/cpp-tests/Source/ActionsTest/ActionsTest.cpp:2460–2482

}

Coroutine ActionCoroutineTest::coroutineCallback()
{
    auto s = Director::getInstance()->getWinSize();

    auto label1 =
        Label::createWithTTF(fmt::format("First ({})", _frameCount), "fonts/Marker Felt.ttf", 16.0f);
    label1->setPosition(s.width / 4 * 1, s.height / 2);
    addChild(label1);
    co_yield DelayTime::create(3.0f);  // delay 3s

    auto label2 =
        Label::createWithTTF(fmt::format("after 3sec ({})", _frameCount), "fonts/Marker Felt.ttf", 16.0f);
    label2->setPosition(s.width / 4 * 2, s.height / 2);
    addChild(label2);
    co_yield nullptr;  // next frame

    auto label3 =
        Label::createWithTTF(fmt::format("next frame ({})", _frameCount), "fonts/Marker Felt.ttf", 16.0f);
    label3->setPosition(s.width / 4 * 3, s.height / 2);
    addChild(label3);

    // co_return;   // return coroutine
}