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());
}
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();
}