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Diffstat (limited to 'examples/qt3d/basicshapes-cpp/main.cpp')
| -rw-r--r-- | examples/qt3d/basicshapes-cpp/main.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/examples/qt3d/basicshapes-cpp/main.cpp b/examples/qt3d/basicshapes-cpp/main.cpp new file mode 100644 index 000000000..3aa42f7f8 --- /dev/null +++ b/examples/qt3d/basicshapes-cpp/main.cpp @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** 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 "scenemodifier.h" + +#include <QGuiApplication> + +#include <Qt3DCore/window.h> +#include <Qt3DCore/qcamera.h> +#include <Qt3DCore/qentity.h> +#include <Qt3DCore/qcameralens.h> + +#include <QtWidgets/QApplication> +#include <QtWidgets/QWidget> +#include <QtWidgets/QHBoxLayout> +#include <QtWidgets/QCheckBox> +#include <QtWidgets/QCommandLinkButton> +#include <QtGui/QScreen> + +#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) +{ + QApplication app(argc, argv); + Qt3D::Window *view = new Qt3D::Window(); + QWidget *container = QWidget::createWindowContainer(view); + + QSize screenSize = view->screen()->size(); + container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5)); + container->setMaximumSize(screenSize); + container->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); + container->setFocusPolicy(Qt::StrongFocus); + + 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")); + + 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(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(1280, 600); + + // 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(); +} |