mirror of https://github.com/qt/qt3d.git
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include "scene.h"
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#include <QGuiApplication>
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#include <Qt3DCore/qentity.h>
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#include <QtGui/QScreen>
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QWidget>
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#include <QtWidgets/QHBoxLayout>
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#include <QtWidgets/QSlider>
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#include <QtWidgets/QLabel>
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#include <QtWidgets/QPushButton>
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#include <Qt3DRender/qcamera.h>
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#include <Qt3DInput/QInputAspect>
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#include <Qt3DExtras/qforwardrenderer.h>
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#include <Qt3DExtras/qt3dwindow.h>
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#include <Qt3DExtras/qfirstpersoncameracontroller.h>
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow();
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view->defaultFrameGraph()->setClearColor(QColor(QRgb(0x4d4d4f)));
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QWidget *container = QWidget::createWindowContainer(view);
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QSize screenSize = view->screen()->size();
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container->setMinimumSize(QSize(200, 100));
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container->setMaximumSize(screenSize);
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Qt3DInput::QInputAspect *input = new Qt3DInput::QInputAspect;
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view->registerAspect(input);
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// Root entity
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Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
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// Camera
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Qt3DRender::QCamera *cameraEntity = view->camera();
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cameraEntity->setPosition(QVector3D(0, 0, 20.0f));
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cameraEntity->setUpVector(QVector3D(0, 1, 0));
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cameraEntity->setViewCenter(QVector3D(0, 0, 0));
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// For camera controls
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Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(rootEntity);
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camController->setCamera(cameraEntity);
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// scene
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Scene *scene = new Scene(rootEntity);
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// Set root object of the scene
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view->setRootEntity(rootEntity);
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// 'Generate New' Button
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QPushButton *genNewButton = new QPushButton();
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genNewButton->setText("Generate New");
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QObject::connect(genNewButton, &QPushButton::pressed, scene, &Scene::redrawTexture);
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// current size label
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QLabel *sizeLabel = new QLabel();
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sizeLabel->setText(QString("Current Size: 128x128"));
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// 'Change Size' Slider
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QSlider *changeSizeSlider = new QSlider();
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changeSizeSlider->setOrientation(Qt::Horizontal);
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changeSizeSlider->setMinimum(0);
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changeSizeSlider->setMaximum(4);
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QObject::connect(changeSizeSlider, &QSlider::valueChanged, scene, [scene, sizeLabel](int value) {
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int sz = 128 << value;
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scene->setSize(QSize(sz, sz));
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sizeLabel->setText(QString("Current Size: %1x%1").arg(sz));
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});
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// create widget
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QWidget *widget = new QWidget;
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widget->setWindowTitle(QStringLiteral("QPaintedTexture Example"));
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QVBoxLayout *hLayout = new QVBoxLayout(widget);
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hLayout->addWidget(container, 1);
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hLayout->addWidget(genNewButton, 1);
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hLayout->addWidget(changeSizeSlider, 1);
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hLayout->addWidget(sizeLabel);
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// Show window
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widget->show();
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widget->resize(1200, 800);
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return app.exec();
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}
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