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+/****************************************************************************
+**
+** Copyright (C) 2014 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 <Qt3DCore/window.h>
+#include <Qt3DCore/qcamera.h>
+#include <Qt3DCore/qentity.h>
+#include <Qt3DCore/qcameralens.h>
+
+#include <Qt3DInput/QInputAspect>
+
+#include <Qt3DRenderer/qtorusmesh.h>
+#include <Qt3DRenderer/qmesh.h>
+#include <Qt3DRenderer/qtechnique.h>
+#include <Qt3DRenderer/qmaterial.h>
+#include <Qt3DRenderer/qeffect.h>
+#include <Qt3DRenderer/qtexture.h>
+#include <Qt3DRenderer/qrenderpass.h>
+#include <Qt3DRenderer/qsceneloader.h>
+
+#include <Qt3DCore/qscaletransform.h>
+#include <Qt3DCore/qrotatetransform.h>
+#include <Qt3DCore/qlookattransform.h>
+#include <Qt3DCore/qtransform.h>
+#include <Qt3DCore/qaspectengine.h>
+
+#include <Qt3DRenderer/qrenderaspect.h>
+#include <Qt3DRenderer/qframegraph.h>
+#include <Qt3DRenderer/qforwardrenderer.h>
+
+int main(int argc, char **argv)
+{
+ QGuiApplication app(argc, argv);
+
+ Qt3D::Window view;
+ Qt3D::QAspectEngine engine;
+ engine.registerAspect(new Qt3D::QRenderAspect());
+ Qt3D::QInputAspect *input = new Qt3D::QInputAspect;
+ engine.registerAspect(input);
+ engine.initialize();
+ QVariantMap data;
+ data.insert(QStringLiteral("surface"), QVariant::fromValue(static_cast<QSurface *>(&view)));
+ data.insert(QStringLiteral("eventSource"), QVariant::fromValue(&view));
+ engine.setData(data);
+
+ // Root entity
+ Qt3D::QEntity *rootEntity = new Qt3D::QEntity();
+
+ // Camera
+ Qt3D::QCamera *cameraEntity = new Qt3D::QCamera(rootEntity);
+ cameraEntity->setObjectName(QStringLiteral("cameraEntity"));
+
+ cameraEntity->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
+ cameraEntity->setPosition(QVector3D(0, 0, -20.0f));
+ cameraEntity->setUpVector(QVector3D(0, 1, 0));
+ cameraEntity->setViewCenter(QVector3D(0, 0, 0));
+ input->setCamera(cameraEntity);
+
+ // FrameGraph
+ Qt3D::QFrameGraph *frameGraph = new Qt3D::QFrameGraph();
+ Qt3D::QForwardRenderer *forwardRenderer = new Qt3D::QForwardRenderer();
+
+ forwardRenderer->setCamera(cameraEntity);
+ forwardRenderer->setClearColor(Qt::black);
+ frameGraph->setActiveFrameGraph(forwardRenderer);
+
+ // Torus shape data
+ Qt3D::QTorusMesh *torus = new Qt3D::QTorusMesh();
+ torus->setRadius(5);
+ torus->setMinorRadius(1);
+ torus->setRings(100);
+ torus->setSlices(20);
+
+ // TorusMesh Transform
+ Qt3D::QScaleTransform *torusScale = new Qt3D::QScaleTransform();
+ Qt3D::QRotateTransform *torusRotation = new Qt3D::QRotateTransform();
+ Qt3D::QTransform *torusTransforms = new Qt3D::QTransform();
+
+ torusScale->setScale3D(QVector3D(1.5f, 1.0f, 0.5f));
+ torusRotation->setAngleDeg(45.0f);
+ torusRotation->setAxis(QVector3D(1, 0, 0));
+
+ torusTransforms->addTransform(torusScale);
+ torusTransforms->addTransform(torusRotation);
+
+ // Torus
+ Qt3D::QEntity *torusEntity = new Qt3D::QEntity(rootEntity);
+ torusEntity->addComponent(torus);
+ torusEntity->addComponent(torusTransforms);
+
+ // Setting the FrameGraph
+ rootEntity->addComponent(frameGraph);
+
+ // Set root object of the scene
+ engine.setRootEntity(rootEntity);
+ // Show window
+ view.show();
+
+ return app.exec();
+}