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++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include <QGuiApplication>
++
++ #include <Qt3DInput/QInputAspect>
++
++ #include <Qt3DRender/qcamera.h>
++ #include <Qt3DRender/qcameralens.h>
++ #include <Qt3DExtras/qcylindermesh.h>
++ #include <Qt3DRender/qmesh.h>
++ #include <Qt3DRender/qtechnique.h>
++ #include <Qt3DExtras/qphongmaterial.h>
++ #include <Qt3DRender/qeffect.h>
++ #include <Qt3DRender/qtexture.h>
++ #include <Qt3DRender/qrenderpass.h>
++ #include <Qt3DRender/qrenderaspect.h>
++ #include <Qt3DExtras/qforwardrenderer.h>
++
++ #include <Qt3DCore/qentity.h>
++ #include <Qt3DCore/qtransform.h>
++ #include <Qt3DCore/qaspectengine.h>
++
++ #include <Qt3DExtras/qt3dwindow.h>
++ #include <Qt3DExtras/qorbitcameracontroller.h>
++
++ #include <QtGui/qquaternion.h>
++
++ int main(int argc, char **argv)
++ {
++ QGuiApplication app(argc, argv);
++ Qt3DExtras::Qt3DWindow view;
++
++ // Root entity
++ Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
++
++ // Camera
++ Qt3DRender::QCamera *camera = view.camera();
++ camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
++ camera->setPosition(QVector3D(0, 0, 20.0f));
++ camera->setUpVector(QVector3D(0, 1, 0));
++ camera->setViewCenter(QVector3D(0, 0, 0));
++
++ // For camera controls
++ Qt3DExtras::QOrbitCameraController *cameraController = new Qt3DExtras::QOrbitCameraController(rootEntity);
++ cameraController->setCamera(camera);
++
++ // Cylinder shape data
++ Qt3DExtras::QCylinderMesh *mesh = new Qt3DExtras::QCylinderMesh();
++ mesh->setRadius(1);
++ mesh->setLength(3);
++ mesh->setRings(100);
++ mesh->setSlices(20);
++
++ // Transform for cylinder
++ Qt3DCore::QTransform *transform = new Qt3DCore::QTransform;
++ transform->setScale(1.5f);
++ transform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 45.0f));
++
++ // Material
++ Qt3DExtras::QPhongMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);
++ material->setDiffuse(Qt::red);
++
++ // Cylinder
++ Qt3DCore::QEntity *cylinder = new Qt3DCore::QEntity(rootEntity);
++ cylinder->addComponent(mesh);
++ cylinder->addComponent(transform);
++ cylinder->addComponent(material);
++
++ // Set root object of the scene
++ view.setRootEntity(rootEntity);
++ view.show();
++
++ return app.exec();
++ }