Example #1
1
void initializeScene()
{
    SceneWindow *window = new SceneWindow();
    //QWidget *container = QWidget::createWindowContainer(window);


    Qt3DCore::QAspectEngine engine;
    Qt3DInput::QInputAspect *inputAspect = new Qt3DInput::QInputAspect();
    engine.registerAspect(new Qt3DRender::QRenderAspect());
    engine.registerAspect(inputAspect);

    QVariantMap data;
    data.insert(QStringLiteral("surface"), QVariant::fromValue(static_cast<QSurface *>(window)));
    data.insert(QStringLiteral("eventSource"), QVariant::fromValue(window));
    engine.setData(data);

    // root entity
    Qt3DCore::QEntity *sceneRoot = new Qt3DCore::QEntity();

    // camera scene
    Qt3DCore::QCamera *camera = new Qt3DCore::QCamera(sceneRoot);
    camera->setFieldOfView(25);
    camera->setNearPlane(1);
    camera->setFarPlane(1000);
    camera->setViewCenter(QVector3D(0, 3, 0));

    inputAspect->setCamera(camera);

    Qt3DRender::QFrameGraph *frameGraphComponent = new Qt3DRender::QFrameGraph(sceneRoot);
    Qt3DRender::QForwardRenderer *forwardRenderer = new Qt3DRender::QForwardRenderer();
    forwardRenderer->setCamera(camera);
    forwardRenderer->setClearColor(Qt::blue);
    frameGraphComponent->setActiveFrameGraph(forwardRenderer);
    sceneRoot->addComponent(frameGraphComponent);

    // scene loader
    Qt3DCore::QEntity *sceneLoaderEntity = new Qt3DCore::QEntity(sceneRoot);
    Qt3DRender::QSceneLoader *sceneLoader = new Qt3DRender::QSceneLoader(sceneLoaderEntity);

    SceneHandler sceneHandler(sceneLoader);

    QObject::connect(sceneLoader, &Qt3DRender::QSceneLoader::statusChanged, &sceneHandler, &SceneHandler::onStatusChanged);

    sceneLoaderEntity->addComponent(sceneLoader);

    QUrl fileName;

    fileName = QUrl::fromLocalFile("file:://C:/Users/jacobmosehansen/Desktop/IKT/20mm_hollow_cube.stl");
    sceneLoader->setSource(fileName);

    engine.setRootEntity(sceneRoot);

}
    void transformed()
    {
        // GIVEN
        QFETCH(QVector3D, a);
        QFETCH(QVector3D, b);
        QFETCH(QVector3D, c);
        QFETCH(QVector3D, transformedA);
        QFETCH(QVector3D, transformedB);
        QFETCH(QVector3D, transformedC);
        Qt3DRender::Render::TriangleBoundingVolume volume(Qt3DCore::QNodeId(),
                                                          a,
                                                          b,
                                                          c);
        Qt3DCore::QCamera camera;
        camera.setProjectionType(Qt3DCore::QCameraLens::PerspectiveProjection);
        camera.setFieldOfView(45.0f);
        camera.setAspectRatio(800.0/600.0f);
        camera.setNearPlane(0.1f);
        camera.setFarPlane(1000.0f);
        camera.setPosition(QVector3D(0.0f, 0.0f, 40.0f));
        camera.setUpVector(QVector3D(0.0f, 1.0f, 0.0f));
        camera.setViewCenter(QVector3D(0.0f, 0.0f, 0.0f));

        const QMatrix4x4 viewMatrix = camera.viewMatrix();

        // WHEN
        volume.transform(viewMatrix);

        // THEN
        QCOMPARE(transformedA, volume.a());
        QCOMPARE(transformedB, volume.b());
        QCOMPARE(transformedC, volume.c());
    }
Example #3
0
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    Window *view = new Window();
    QWidget *container = QWidget::createWindowContainer(view);
    QSize screenSize = view->screen()->size();
    container->setMinimumSize(QSize(200, 100));
    container->setMaximumSize(screenSize);

    QWidget *widget = new QWidget;
    QHBoxLayout *hLayout = new QHBoxLayout(widget);
    QVBoxLayout *vLayout = new QVBoxLayout();
    vLayout->setAlignment(Qt::AlignTop);
    hLayout->addWidget(container, 1);
    hLayout->addLayout(vLayout);

    widget->setWindowTitle(QStringLiteral("Basic shapes"));

    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);

    // Root entity
    Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();

    // Camera
    Qt3DCore::QCamera *cameraEntity = new Qt3DCore::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
    Qt3DRender::QFrameGraph *frameGraph = new Qt3DRender::QFrameGraph();
    Qt3DRender::QForwardRenderer *forwardRenderer = new Qt3DRender::QForwardRenderer();

    forwardRenderer->setCamera(cameraEntity);
    forwardRenderer->setClearColor(QColor(QRgb(0x4d4d4f)));
    frameGraph->setActiveFrameGraph(forwardRenderer);

    // Setting the FrameGraph
    rootEntity->addComponent(frameGraph);

    // Scenemodifier
    SceneModifier *modifier = new SceneModifier(rootEntity);

    // Set root object of the scene
    engine.setRootEntity(rootEntity);

    // Create control widgets
    QCommandLinkButton *info = new QCommandLinkButton();
    info->setText(QStringLiteral("Qt3D ready-made meshes"));
    info->setDescription(QStringLiteral("Qt3D provides several ready-made meshes, like torus, cylinder, cube and sphere."));
    info->setIconSize(QSize(0,0));

    QCheckBox *torusCB = new QCheckBox(widget);
    torusCB->setChecked(true);
    torusCB->setText(QStringLiteral("Torus"));

    QCheckBox *cylinderCB = new QCheckBox(widget);
    cylinderCB->setChecked(true);
    cylinderCB->setText(QStringLiteral("Cylinder"));

    QCheckBox *cuboidCB = new QCheckBox(widget);
    cuboidCB->setChecked(true);
    cuboidCB->setText(QStringLiteral("Cuboid"));

    QCheckBox *sphereCB = new QCheckBox(widget);
    sphereCB->setChecked(true);
    sphereCB->setText(QStringLiteral("Sphere"));

    vLayout->addWidget(info);
    vLayout->addWidget(torusCB);
    vLayout->addWidget(cylinderCB);
    vLayout->addWidget(cuboidCB);
    vLayout->addWidget(sphereCB);

    QObject::connect(torusCB, &QCheckBox::stateChanged,
                     modifier, &SceneModifier::enableTorus);
    QObject::connect(cylinderCB, &QCheckBox::stateChanged,
                     modifier, &SceneModifier::enableCylinder);
    QObject::connect(cuboidCB, &QCheckBox::stateChanged,
                     modifier, &SceneModifier::enableCuboid);
    QObject::connect(sphereCB, &QCheckBox::stateChanged,
                     modifier, &SceneModifier::enableSphere);

    torusCB->setChecked(true);
    cylinderCB->setChecked(true);
    cuboidCB->setChecked(true);
    sphereCB->setChecked(true);

    // Show window
    widget->show();
    widget->resize(1200, 800);

    // Update the aspect ratio
    QSize widgetSize =  container->size();
    float aspectRatio = float(widgetSize.width()) / float(widgetSize.height());
    cameraEntity->lens()->setPerspectiveProjection(45.0f, aspectRatio, 0.1f, 1000.0f);

    return app.exec();
}