Qt Quick 3D - 自定义几何图形范例

// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QtQuick3D/qquick3d.h>
int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    QSurfaceFormat::setDefaultFormat(QQuick3D::idealSurfaceFormat());
    qputenv("QT_QUICK_CONTROLS_STYLE", "Basic");
    QQmlApplicationEngine engine;
    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
    if (engine.rootObjects().isEmpty())
        return -1;
    return app.exec();
}