main.cpp Example File

dynamicscene-cpp/main.cpp

  /****************************************************************************
  **
  ** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
  ** Contact: http://www.qt-project.org/legal
  **
  ** This file is part of the Qt3D module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL3$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see http://www.qt.io/terms-conditions. For further
  ** information use the contact form at http://www.qt.io/contact-us.
  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 3 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPLv3 included in the
  ** packaging of this file. Please review the following information to
  ** ensure the GNU Lesser General Public License version 3 requirements
  ** will be met: https://www.gnu.org/licenses/lgpl.html.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 2.0 or later as published by the Free
  ** Software Foundation and appearing in the file LICENSE.GPL included in
  ** the packaging of this file. Please review the following information to
  ** ensure the GNU General Public License version 2.0 requirements will be
  ** met: http://www.gnu.org/licenses/gpl-2.0.html.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #include <QGuiApplication>

  #include <window.h>
  #include <Qt3DCore/QAspectEngine>
  #include <Qt3DCore/QCamera>

  #include <Qt3DInput/QInputAspect>

  #include <Qt3DRender/QRenderAspect>
  #include <Qt3DRender/QFrameGraph>
  #include <Qt3DRender/QForwardRenderer>

  #include "forwardrenderer.h"
  #include "examplescene.h"

  int main(int argc, char* argv[])
  {
      QGuiApplication app(argc, argv);

      Window view;
      Qt3DCore::QAspectEngine engine;
      engine.registerAspect(new Qt3DRender::QRenderAspect());
      Qt3DInput::QInputAspect *input = new Qt3DInput::QInputAspect;
      engine.registerAspect(input);
      QVariantMap data;
      data.insert(QStringLiteral("surface"), QVariant::fromValue(static_cast<QSurface *>(&view)));
      data.insert(QStringLiteral("eventSource"), QVariant::fromValue(&view));
      engine.setData(data);

      ExampleScene *sceneRoot = new ExampleScene();

      // Scene Camera
      Qt3DCore::QCamera *basicCamera = new Qt3DCore::QCamera(sceneRoot);
      basicCamera->setProjectionType(Qt3DCore::QCameraLens::PerspectiveProjection);
      basicCamera->setAspectRatio(view.width() / view.height());
      basicCamera->setUpVector(QVector3D(0.0f, 1.0f, 0.0f));
      basicCamera->setViewCenter(QVector3D(0.0f, 3.5f, 0.0f));
      basicCamera->setPosition(QVector3D(0.0f, 3.5f, 25.0f));
      // For camera controls
      input->setCamera(basicCamera);

      // Forward Renderer FrameGraph
      Qt3DRender::QFrameGraph *frameGraph = new Qt3DRender::QFrameGraph(sceneRoot);
      Qt3DRender::QForwardRenderer *forwardRenderer = new Qt3DRender::QForwardRenderer();
      forwardRenderer->setCamera(basicCamera);
      frameGraph->setActiveFrameGraph(forwardRenderer);
      sceneRoot->addComponent(frameGraph);

      engine.setRootEntity(sceneRoot);
      view.show();

      return app.exec();
  }