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