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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QGuiApplication>
#include <Qt3DInput/QInputAspect>
#include <Qt3DRender/qcamera.h>
#include <Qt3DRender/qcameralens.h>
#include <Qt3DExtras/qcylindermesh.h>
#include <Qt3DRender/qmesh.h>
#include <Qt3DRender/qtechnique.h>
#include <Qt3DExtras/qphongmaterial.h>
#include <Qt3DRender/qeffect.h>
#include <Qt3DRender/qtexture.h>
#include <Qt3DRender/qrenderpass.h>
#include <Qt3DRender/qrenderaspect.h>
#include <Qt3DExtras/qforwardrenderer.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DCore/qtransform.h>
#include <Qt3DCore/qaspectengine.h>
#include <Qt3DRender/QRenderStateSet>
#include <Qt3DRender/QRasterMode>
#include <Qt3DExtras/qt3dwindow.h>
#include <Qt3DExtras/qorbitcameracontroller.h>
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
Qt3DExtras::Qt3DWindow view;
// Add a raster mode
Qt3DRender::QRenderStateSet *renderStateSet = new Qt3DRender::QRenderStateSet();
view.activeFrameGraph()->setParent(renderStateSet);
Qt3DRender::QRasterMode *rasterModeRenderState = new Qt3DRender::QRasterMode(renderStateSet);
rasterModeRenderState->setRasterMode(Qt3DRender::QRasterMode::RasterMode::Lines);
renderStateSet->addRenderState(rasterModeRenderState);
view.setActiveFrameGraph(renderStateSet);
// Root entity
Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
// Camera
Qt3DRender::QCamera *camera = view.camera();
camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);
camera->setPosition(QVector3D(0, 0, 20.0f));
camera->setUpVector(QVector3D(0, 1, 0));
camera->setViewCenter(QVector3D(0, 0, 0));
// For camera controls
Qt3DExtras::QOrbitCameraController *cameraController = new Qt3DExtras::QOrbitCameraController(rootEntity);
cameraController->setCamera(camera);
// Cylinder shape data
Qt3DExtras::QCylinderMesh *mesh = new Qt3DExtras::QCylinderMesh();
mesh->setRadius(1);
mesh->setLength(3);
mesh->setRings(100);
mesh->setSlices(20);
// Transform for cylinder
Qt3DCore::QTransform *transform = new Qt3DCore::QTransform;
transform->setScale(1.5f);
transform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 45.0f));
// Material
Qt3DExtras::QPhongMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);
material->setDiffuse(Qt::red);
// Cylinder
Qt3DCore::QEntity *cylinder = new Qt3DCore::QEntity(rootEntity);
cylinder->addComponent(mesh);
cylinder->addComponent(transform);
cylinder->addComponent(material);
// Set root object of the scene
view.setRootEntity(rootEntity);
view.show();
return app.exec();
}
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