main.cpp 范例文件

basicshapes-cpp/main.cpp
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#include "scenemodifier.h" #include <QGuiApplication> #include <Qt3DRender/qcamera.h> #include <Qt3DCore/qentity.h> #include <Qt3DRender/qcameralens.h> #include <QtWidgets/QApplication> #include <QtWidgets/QWidget> #include <QtWidgets/QHBoxLayout> #include <QtWidgets/QCheckBox> #include <QtWidgets/QCommandLinkButton> #include <QtGui/QScreen> #include <Qt3DInput/QInputAspect> #include <Qt3DExtras/qtorusmesh.h> #include <Qt3DRender/qmesh.h> #include <Qt3DRender/qtechnique.h> #include <Qt3DRender/qmaterial.h> #include <Qt3DRender/qeffect.h> #include <Qt3DRender/qtexture.h> #include <Qt3DRender/qrenderpass.h> #include <Qt3DRender/qsceneloader.h> #include <Qt3DRender/qpointlight.h> #include <Qt3DCore/qtransform.h> #include <Qt3DCore/qaspectengine.h> #include <Qt3DRender/qrenderaspect.h> #include <Qt3DExtras/qforwardrenderer.h> #include <Qt3DExtras/qt3dwindow.h> #include <Qt3DExtras/qfirstpersoncameracontroller.h> int main(int argc, char **argv) { QApplication app(argc, argv); Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow(); view->defaultFrameGraph()->setClearColor(QColor(QRgb(0x4d4d4f))); 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")); Qt3DInput::QInputAspect *input = new Qt3DInput::QInputAspect; view->registerAspect(input); // Root entity Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity(); // Camera Qt3DRender::QCamera *cameraEntity = view->camera(); 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)); Qt3DCore::QEntity *lightEntity = new Qt3DCore::QEntity(rootEntity); Qt3DRender::QPointLight *light = new Qt3DRender::QPointLight(lightEntity); light->setColor("white"); light->setIntensity(1); lightEntity->addComponent(light); Qt3DCore::QTransform *lightTransform = new Qt3DCore::QTransform(lightEntity); lightTransform->setTranslation(cameraEntity->position()); lightEntity->addComponent(lightTransform); // For camera controls Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(rootEntity); camController->setCamera(cameraEntity); // Scenemodifier SceneModifier *modifier = new SceneModifier(rootEntity); // Set root object of the scene view->setRootEntity(rootEntity); // Create control widgets QCommandLinkButton *info = new QCommandLinkButton(); info->setText(QStringLiteral("Qt3D ready-made meshes")); info->setDescription(QString::fromLatin1("Qt3D provides several ready-made meshes, like torus, cylinder, cone, " "cube, plane and sphere.")); info->setIconSize(QSize(0,0)); QCheckBox *torusCB = new QCheckBox(widget); torusCB->setChecked(true); torusCB->setText(QStringLiteral("Torus")); QCheckBox *coneCB = new QCheckBox(widget); coneCB->setChecked(true); coneCB->setText(QStringLiteral("Cone")); 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 *planeCB = new QCheckBox(widget); planeCB->setChecked(true); planeCB->setText(QStringLiteral("Plane")); QCheckBox *sphereCB = new QCheckBox(widget); sphereCB->setChecked(true); sphereCB->setText(QStringLiteral("Sphere")); vLayout->addWidget(info); vLayout->addWidget(torusCB); vLayout->addWidget(coneCB); vLayout->addWidget(cylinderCB); vLayout->addWidget(cuboidCB); vLayout->addWidget(planeCB); vLayout->addWidget(sphereCB); QObject::connect(torusCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enableTorus); QObject::connect(coneCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enableCone); QObject::connect(cylinderCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enableCylinder); QObject::connect(cuboidCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enableCuboid); QObject::connect(planeCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enablePlane); QObject::connect(sphereCB, &QCheckBox::stateChanged, modifier, &SceneModifier::enableSphere); torusCB->setChecked(true); coneCB->setChecked(true); cylinderCB->setChecked(true); cuboidCB->setChecked(true); planeCB->setChecked(true); sphereCB->setChecked(true); // Show window widget->show(); widget->resize(1200, 800); return app.exec(); }