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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QApplication>
#include <QPropertyAnimation>
#include <Qt3DCore/QEntity>
#include <Qt3DCore/QTransform>
#include <Qt3DCore/QAspectEngine>
#include <Qt3DRender/QCamera>
#include <Qt3DRender/QCameraLens>
#include <Qt3DRender/QRenderAspect>
#include <Qt3DRender/QTexture>
#include <Qt3DRender/QDirectionalLight>
#include <Qt3DRender/QGeometryRenderer>
#include <Qt3DInput/QInputAspect>
#include <Qt3DExtras/QForwardRenderer>
#include <Qt3DExtras/QDiffuseMapMaterial>
#include <Qt3DExtras/QCuboidMesh>
#include <Qt3DExtras/QOrbitCameraController>
#include <Qt3DExtras/Qt3DWindow>
#include "videoplayer.h"
Qt3DCore::QEntity *createScene(Qt3DExtras::Qt3DWindow *view, Qt3DRender::QAbstractTexture *diffuseTexture)
{
// Root entity
Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
// Material
Qt3DExtras::QDiffuseMapMaterial *material = new Qt3DExtras::QDiffuseMapMaterial(rootEntity);
material->setDiffuse(diffuseTexture);
material->setAmbient(QColor(30, 30, 30));
// Sphere
Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
Qt3DExtras::QCuboidMesh *cuboidMesh = new Qt3DExtras::QCuboidMesh;
Qt3DCore::QTransform *transform = new Qt3DCore::QTransform;
transform->setRotationX(180);
QPropertyAnimation *cubeRotateTransformAnimation = new QPropertyAnimation(transform);
cubeRotateTransformAnimation->setTargetObject(transform);
cubeRotateTransformAnimation->setPropertyName("rotationY");
cubeRotateTransformAnimation->setStartValue(QVariant::fromValue(0));
cubeRotateTransformAnimation->setEndValue(QVariant::fromValue(360));
cubeRotateTransformAnimation->setDuration(10000);
cubeRotateTransformAnimation->setLoopCount(-1);
cubeRotateTransformAnimation->start();
sphereEntity->addComponent(cuboidMesh);
sphereEntity->addComponent(transform);
sphereEntity->addComponent(material);
// Camera
Qt3DRender::QCamera *camera = view->camera();
camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
camera->setPosition(QVector3D(0, 0, -5.0f));
camera->setViewCenter(QVector3D(0, 0, 0));
// For camera controls
Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(rootEntity);
camController->setLinearSpeed( 50.0f );
camController->setLookSpeed( 180.0f );
camController->setCamera(camera);
Qt3DRender::QDirectionalLight *light = new Qt3DRender::QDirectionalLight();
light->setIntensity(0.8f);
light->setWorldDirection(camera->viewVector());
rootEntity->addComponent(light);
return rootEntity;
}
int main(int argc, char* argv[])
{
QSurfaceFormat format = QSurfaceFormat::defaultFormat();
format.setMajorVersion(4);
format.setMinorVersion(5);
format.setProfile(QSurfaceFormat::CoreProfile);
format.setRenderableType(QSurfaceFormat::OpenGL);
QSurfaceFormat::setDefaultFormat(format);
// Will make Qt3D and QOpenGLWidget share a common context
QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
QApplication app(argc, argv);
// Multimedia player
TextureWidget textureWidget;
VideoPlayer *videoPlayer = new VideoPlayer(&textureWidget);
textureWidget.resize(800, 600);
textureWidget.show();
// Texture object that Qt3D uses to access the texture from the video player
Qt3DRender::QSharedGLTexture *sharedTexture = new Qt3DRender::QSharedGLTexture();
QObject::connect(&textureWidget, &TextureWidget::textureIdChanged,
sharedTexture, &Qt3DRender::QSharedGLTexture::setTextureId);
// Qt3D Scene
Qt3DExtras::Qt3DWindow view;
Qt3DCore::QEntity *scene = createScene(&view, sharedTexture);
view.setRootEntity(scene);
view.show();
return app.exec();
}
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