#include "cmainwindow.h"
#include "ui_cmainwindow.h"


#include <Qt3DCore/QEntity>
#include <Qt3DCore/QTransform>
#include <Qt3DCore/QAspectEngine>

#include <Qt3DRender/qrenderaspect.h>
#include <Qt3DRender/QCamera>
#include <Qt3DRender/QMaterial>

#include <Qt3DExtras/Qt3DWindow>
#include <Qt3DExtras/QTorusMesh>
#include <Qt3DExtras/QOrbitCameraController>
#include <Qt3DExtras/QPhongMaterial>


Qt3DCore::QEntity* createTestScene()
{
	Qt3DCore::QEntity* root = new Qt3DCore::QEntity;
	Qt3DCore::QEntity* torus = new Qt3DCore::QEntity(root);

	Qt3DExtras::QTorusMesh* mesh = new Qt3DExtras::QTorusMesh;
	mesh->setRadius(5);
	mesh->setMinorRadius(1);
	mesh->setRings(100);
	mesh->setSlices(20);

	Qt3DCore::QTransform* transform = new Qt3DCore::QTransform;
//    transform->setScale3D(QVector3D(1.5, 1, 0.5));
	transform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1,0,0), 45.f ));

	Qt3DRender::QMaterial* material = new Qt3DExtras::QPhongMaterial(root);

	torus->addComponent(mesh);
	torus->addComponent(transform);
	torus->addComponent(material);

	return root;
}

cMainWindow::cMainWindow(QWidget *parent) :
	QMainWindow(parent),
	ui(new Ui::cMainWindow)
{
	ui->setupUi(this);

	Qt3DExtras::Qt3DWindow* view	= new Qt3DExtras::Qt3DWindow();
	Qt3DCore::QEntity* scene = createTestScene();

	// camera
	Qt3DRender::QCamera *camera = view->camera();
	camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
	camera->setPosition(QVector3D(0, 0, 40.0f));
	camera->setViewCenter(QVector3D(0, 0, 0));

	// manipulator
	Qt3DExtras::QOrbitCameraController* manipulator = new Qt3DExtras::QOrbitCameraController(scene);
	manipulator->setLinearSpeed(50.f);
	manipulator->setLookSpeed(180.f);
	manipulator->setCamera(camera);

	view->setRootEntity(scene);
//	view.show();


	QWidget*	m_lp3DWidget = QWidget::createWindowContainer(view);
	ui->gridLayout->addWidget(m_lp3DWidget, 0, 0, 1, 1);
}

cMainWindow::~cMainWindow()
{
	delete ui;
}