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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QGuiApplication>
#include <Qt3DCore/QEntity>
#include <Qt3DRender/QCamera>
#include <Qt3DRender/QCameraLens>
#include <Qt3DCore/QTransform>
#include <Qt3DCore/QAspectEngine>
#include <Qt3DInput/QInputAspect>
#include <Qt3DRender/QRenderAspect>
#include <Qt3DRender/QGeometryRenderer>
#include <Qt3DExtras/QForwardRenderer>
#include <Qt3DExtras/QPhongMaterial>
#include <Qt3DExtras/QSphereMesh>
#include <Qt3DExtras/QTorusMesh>
#include <QPropertyAnimation>
#include "qt3dwindow.h"
#include "orbittransformcontroller.h"
#include "qorbitcameracontroller.h"
Qt3DCore::QEntity *createScene()
{
// Root entity
Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;
// Material
Qt3DRender::QMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);
// Torus
Qt3DCore::QEntity *torusEntity = new Qt3DCore::QEntity(rootEntity);
Qt3DExtras::QTorusMesh *torusMesh = new Qt3DExtras::QTorusMesh;
torusMesh->setRadius(5);
torusMesh->setMinorRadius(1);
torusMesh->setRings(100);
torusMesh->setSlices(20);
Qt3DCore::QTransform *torusTransform = new Qt3DCore::QTransform;
torusTransform->setScale3D(QVector3D(1.5, 1, 0.5));
torusTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 45.0f));
torusEntity->addComponent(torusMesh);
torusEntity->addComponent(torusTransform);
torusEntity->addComponent(material);
// Sphere
Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);
Qt3DExtras::QSphereMesh *sphereMesh = new Qt3DExtras::QSphereMesh;
sphereMesh->setRadius(3);
sphereMesh->setGenerateTangents(true);
Qt3DCore::QTransform *sphereTransform = new Qt3DCore::QTransform;
OrbitTransformController *controller = new OrbitTransformController(sphereTransform);
controller->setTarget(sphereTransform);
controller->setRadius(20.0f);
QPropertyAnimation *sphereRotateTransformAnimation = new QPropertyAnimation(sphereTransform);
sphereRotateTransformAnimation->setTargetObject(controller);
sphereRotateTransformAnimation->setPropertyName("angle");
sphereRotateTransformAnimation->setStartValue(QVariant::fromValue(0));
sphereRotateTransformAnimation->setEndValue(QVariant::fromValue(360));
sphereRotateTransformAnimation->setDuration(10000);
sphereRotateTransformAnimation->setLoopCount(-1);
sphereRotateTransformAnimation->start();
sphereEntity->addComponent(sphereMesh);
sphereEntity->addComponent(sphereTransform);
sphereEntity->addComponent(material);
return rootEntity;
}
int main(int argc, char* argv[])
{
QGuiApplication app(argc, argv);
Qt3DExtras::Qt3DWindow view;
Qt3DCore::QEntity *scene = createScene();
// 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));
// For camera controls
Qt3DExtras::QOrbitCameraController *camController = new Qt3DExtras::QOrbitCameraController(scene);
camController->setLinearSpeed( 50.0f );
camController->setLookSpeed( 180.0f );
camController->setCamera(camera);
view.setRootEntity(scene);
view.show();
return app.exec();
}
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