Move a sprite with Keyboard input

I started to develop a game in Cocos2d-x- and I had difficulty moving my sprite by keyboard input,I tried a tutorial I found in rezghob blog and but it doesn’t move, here is my code :

......................
    auto eventListener = EventListenerKeyboard::create();

    eventListener->onKeyPressed = CC_CALLBACK_2(Level1::onKeyPressed , this);
    eventListener->onKeyPressed = CC_CALLBACK_2(Level1::onKeyReleased, this);

    _eventDispatcher->addEventListenerWithSceneGraphPriority(eventListener , this);

    this->scheduleUpdate();
    return true;
void Level1::onKeyPressed(EventKeyboard::KeyCode keyCode , Event *event)
{

        if (keys.find(keyCode) == keys.end())
        {
            keys[keyCode] = std::chrono::system_clock::now();
        }

        CCLOG ("Number of Keys: " , keys.size() );
}

void Level1::onKeyReleased(EventKeyboard::KeyCode keyCode, Event* event)
{
    if (keys.find(keyCode) != keys.end())
    {
        std::chrono::duration<double> elapsed_seconds = std::chrono::system_clock::now() - keys[keyCode];
        CCLOG("Key code %d   was down for %f s", int(keyCode), elapsed_seconds.count() );
    }
    keys.erase(keyCode);

    CCLOG("Number of Keys:%f " , keys.size() );
}

void Level1::update(float delta)
{
    float translate = 10.0 * delta;

    if (keys.find(EventKeyboard::KeyCode::KEY_LEFT_ARROW) != keys.end())
    {
        X = X - translate;
    }

    else if(keys.find(EventKeyboard::KeyCode::KEY_RIGHT_ARROW) != keys.end())
    {
        X = X + translate;
    }

    else if(keys.find(EventKeyboard::KeyCode::KEY_UP_ARROW) != keys.end())
    {
        Y = Y + translate;
    }

    else if(keys.find(EventKeyboard::KeyCode::KEY_DOWN_ARROW) != keys.end())
    {
        Y = Y - translate;
    }
    auto _player = this->getChildByTag(1);
    _player->setPosition(X, Y);

You replaced Pressed function with Released:

Use please

eventListener->onKeyReleased = …

1 Like

Why am I showing this line of code error here:

keys[keyCode] = std::chrono::system_clock::now();

The error as follows:
No appropriate conversion function for ‘std::chrono::system_clock::time_point’ to ‘bool’ exists