Создание игры "Battle City" (танчики) на BGE

#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
#include <QtCore/QDebug>
 
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
 
    QFile jsonFile(":/JsonFiles/Person.json");
    jsonFile.open(QIODevice::ReadOnly);
 
    // Get a first name and a last name
    QByteArray data = jsonFile.readAll();
    QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
    QJsonObject jsonObj = jsonDoc.object();
    qDebug() << jsonObj["firstName"].toString();
    qDebug() << jsonObj["lastName"].toString();
 
    // Get a phone number
    QJsonArray jsonArray = jsonObj["phoneNumbers"].toArray();
    qDebug() << jsonArray[0].toObject()["number"].toString();
 
    jsonFile.close();
    return a.exec();
}

void Widget::initVertexBuffers()
{
    QFile jsonFile(":/Sprites/battle_city_spritesheet.json");
    jsonFile.open(QIODevice::ReadOnly);
 
    QByteArray data = jsonFile.readAll();
    QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
    QJsonObject jsonObj = jsonDoc.object();
 
    int w = jsonObj["meta"]
            .toObject()["size"]
            .toObject()["w"].toInt();
 
    int h = jsonObj["meta"]
            .toObject()["size"]
            .toObject()["h"].toInt();
 
    qDebug() << "w = " << w << ", h = " << h;
}

#include <QtCore/QFile>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>

#include <QtXml/QDomDocument>
#include <QtCore/QFile>
 
/* ... */
 
void Widget::initVertexBuffers()
{
    QFile xmlFile(":/Sprites/battle_city_spritesheet.xml");
    xmlFile.open(QIODevice::ReadOnly);
 
    QDomDocument xmlDoc;
    xmlDoc.setContent(&xmlFile);
    xmlFile.close();
 
    QDomElement root = xmlDoc.documentElement();
    float spriteSheetWidth = root.attribute("width").toFloat();
    float spriteSheetHeight = root.attribute("height").toFloat();
 
    QDomElement sprite = root.firstChildElement();
    while(!sprite.isNull())
    {
        float x = 1.f / (spriteSheetWidth / sprite.attribute("x").toFloat());
        float y = 1.f / (spriteSheetHeight / sprite.attribute("y").toFloat());
        float w = 1.f / (spriteSheetWidth / sprite.attribute("w").toFloat());
        float h = 1.f / (spriteSheetHeight / sprite.attribute("h").toFloat());
 
        qDebug() << QString("x = %1, y = %2, w = %3, h = %4")
                    .arg(x).arg(y).arg(w).arg(h);
 
        sprite = sprite.nextSiblingElement();
    }
}

//    m_socket.open(QUrl("ws://localhost:3000"));
     m_socket.open(QUrl("wss://connection-websocket-js.herokuapp.com"));