mirror of https://github.com/qt/qt3d.git
220 lines
8.9 KiB
C++
220 lines
8.9 KiB
C++
// Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QGuiApplication>
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#include <QTimer>
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#include <Qt3DInput/QInputAspect>
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#include <Qt3DRender/qcamera.h>
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#include <Qt3DRender/qcameralens.h>
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#include <Qt3DExtras/qcylindermesh.h>
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#include <Qt3DRender/qmesh.h>
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#include <Qt3DRender/qtechnique.h>
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#include <Qt3DExtras/qphongmaterial.h>
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#include <Qt3DRender/qeffect.h>
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#include <Qt3DRender/qtexture.h>
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#include <Qt3DRender/qrenderpass.h>
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#include <Qt3DRender/qrenderaspect.h>
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#include <Qt3DExtras/qforwardrenderer.h>
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#include <Qt3DCore/qentity.h>
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#include <Qt3DCore/qtransform.h>
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#include <Qt3DCore/qaspectengine.h>
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#include <Qt3DExtras/qt3dwindow.h>
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#include <Qt3DExtras/qorbitcameracontroller.h>
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#include <QThread>
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#include <QLoggingCategory>
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#include <type_traits>
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int main(int argc, char **argv)
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{
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QGuiApplication app(argc, argv);
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Qt3DExtras::Qt3DWindow view;
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QLoggingCategory::setFilterRules(QLatin1String("Qt3D.Renderer.RenderNodes=true"));
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// Root entity
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Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity();
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view.setRootEntity(rootEntity);
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rootEntity->setObjectName(QLatin1String("Root Entity"));
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// Set root object of the scene
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view.show();
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// Camera
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Qt3DRender::QCamera *camera = view.camera();
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camera->lens()->setPerspectiveProjection(45.0f, 16.0f / 9.0f, 0.1f, 1000.0f);
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camera->setPosition(QVector3D(0, 0, 20.0f));
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camera->setUpVector(QVector3D(0, 1, 0));
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camera->setViewCenter(QVector3D(0, 0, 0));
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// For camera controls
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Qt3DExtras::QOrbitCameraController *cameraController = new Qt3DExtras::QOrbitCameraController(rootEntity);
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cameraController->setCamera(camera);
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// Cylinder shape data
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Qt3DExtras::QCylinderMesh *mesh = new Qt3DExtras::QCylinderMesh();
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qDebug() << "Setup complete. Creating cylinders\n";
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// simple setParent from nullptr (OK for QTBUG-73905)
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// green cylinder, bottom left
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{
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Qt3DCore::QTransform *leftTransform = new Qt3DCore::QTransform;
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leftTransform->setTranslation(QVector3D(-5, -2, 0));
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leftTransform->setObjectName(QLatin1String("Green transform"));
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Qt3DExtras::QPhongMaterial *greenMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
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greenMaterial->setObjectName(QLatin1String("Green Material"));
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greenMaterial->setDiffuse(Qt::green);
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Qt3DCore::QEntity *grandParentNode = new Qt3DCore::QEntity();
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Qt3DCore::QEntity *parentNode = new Qt3DCore::QEntity();
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Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity();
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grandParentNode->setObjectName(QLatin1String("Green Grandparent"));
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parentNode->setObjectName(QLatin1String("Green Parent"));
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leafNode->setObjectName(QLatin1String("Green Leaf"));
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leafNode->addComponent(mesh);
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leafNode->addComponent(greenMaterial);
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parentNode->addComponent(leftTransform);
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grandParentNode->setParent(rootEntity);
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parentNode->setParent(grandParentNode);
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leafNode->setParent(parentNode);
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}
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// simple setParent from rootEntity (doesn't work QTBUG-73905)
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// yellow cylinder, top left
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{
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Qt3DCore::QTransform *leftTransform = new Qt3DCore::QTransform;
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leftTransform->setTranslation(QVector3D(-5, 2, 0));
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leftTransform->setObjectName(QLatin1String("Yellow Transform"));
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Qt3DExtras::QPhongMaterial *yellowMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
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yellowMaterial->setObjectName(QLatin1String("Yellow Material"));
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yellowMaterial->setDiffuse(Qt::yellow);
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Qt3DCore::QEntity *grandParentNode = new Qt3DCore::QEntity(rootEntity);
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Qt3DCore::QEntity *parentNode = new Qt3DCore::QEntity(rootEntity);
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Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity(rootEntity);
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leafNode->setObjectName(QLatin1String("Yellow Leaf"));
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grandParentNode->setObjectName(QLatin1String("Yellow Grandparent"));
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parentNode->setObjectName(QLatin1String("Yellow Parent"));
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leafNode->addComponent(mesh);
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leafNode->addComponent(yellowMaterial);
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parentNode->addComponent(leftTransform);
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// sometimes this can change things
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//QCoreApplication::processEvents();
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grandParentNode->setParent(rootEntity);
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parentNode->setParent(grandParentNode);
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leafNode->setParent(parentNode);
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}
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// complex setParent from nullptr (OK QTBUG-73905?)
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// red cylinder, Bottom-right
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{
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Qt3DCore::QNode *tree1node1 = new Qt3DCore::QNode();
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Qt3DCore::QEntity *tree1node2 = new Qt3DCore::QEntity();
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Qt3DCore::QNode *tree1node3 = new Qt3DCore::QNode();
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tree1node1->setObjectName(QLatin1String("Red Tree1-Node1"));
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tree1node2->setObjectName(QLatin1String("Red Tree1-Node2"));
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tree1node3->setObjectName(QLatin1String("Red Tree1-Node3"));
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Qt3DCore::QNode *tree2node1 = new Qt3DCore::QNode();
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Qt3DCore::QEntity *tree2node2 = new Qt3DCore::QEntity();
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Qt3DCore::QNode *tree2node3 = new Qt3DCore::QNode();
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tree2node1->setObjectName(QLatin1String("Red Tree2-Node1"));
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tree2node2->setObjectName(QLatin1String("Red Tree2-Node2"));
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tree2node3->setObjectName(QLatin1String("Red Tree2-Node3"));
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Qt3DCore::QTransform *wrongRedTransform = new Qt3DCore::QTransform;
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wrongRedTransform->setTranslation(QVector3D(1, -1, 0));
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Qt3DCore::QTransform *bottomRightTransform = new Qt3DCore::QTransform;
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bottomRightTransform->setTranslation(QVector3D(5, -2, 0));
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bottomRightTransform->setObjectName(QLatin1String("Red BR Transform"));
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wrongRedTransform->setObjectName(QLatin1String("Red Wrong Transform"));
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Qt3DExtras::QPhongMaterial *redMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
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redMaterial->setDiffuse(Qt::red);
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redMaterial->setObjectName(QLatin1String("Red Material"));
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Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity();
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leafNode->setObjectName(QLatin1String("Red Leaf"));
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leafNode->addComponent(mesh);
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leafNode->addComponent(redMaterial);
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tree1node2->addComponent(wrongRedTransform);
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tree2node2->addComponent(bottomRightTransform);
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tree1node1->setParent(rootEntity);
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tree1node2->setParent(tree1node1);
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tree1node3->setParent(tree1node2);
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tree2node1->setParent(rootEntity);
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tree2node2->setParent(tree2node1);
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tree2node3->setParent(tree2node2);
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leafNode->setParent(tree1node3);
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leafNode->setParent(tree2node3);
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}
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// complex setParent from rootEntity (doesn't work QTBUG-73905)
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// blue cylinder, top right
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{
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Qt3DCore::QNode *tree1node1 = new Qt3DCore::QNode(rootEntity);
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Qt3DCore::QEntity *tree1node2 = new Qt3DCore::QEntity(rootEntity);
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Qt3DCore::QNode *tree1node3 = new Qt3DCore::QNode(rootEntity);
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tree1node1->setObjectName(QLatin1String("Blue Tree1-Node1"));
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tree1node2->setObjectName(QLatin1String("Blue Tree1-Node2"));
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tree1node3->setObjectName(QLatin1String("Blue Tree1-Node3"));
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Qt3DCore::QNode *tree2node1 = new Qt3DCore::QNode(rootEntity);
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Qt3DCore::QEntity *tree2node2 = new Qt3DCore::QEntity(rootEntity);
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Qt3DCore::QNode *tree2node3 = new Qt3DCore::QNode(rootEntity);
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tree2node1->setObjectName(QLatin1String("Blue Tree2-Node1"));
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tree2node2->setObjectName(QLatin1String("Blue Tree2-Node2"));
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tree2node3->setObjectName(QLatin1String("Blue Tree2-Node3"));
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Qt3DCore::QTransform *wrongBlueTransform = new Qt3DCore::QTransform;
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wrongBlueTransform->setTranslation(QVector3D(1, 1, 0));
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Qt3DCore::QTransform *topRightTransform = new Qt3DCore::QTransform;
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topRightTransform->setTranslation(QVector3D(5, 2, 0));
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wrongBlueTransform->setObjectName(QLatin1String("Blue Wrong Transform"));
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topRightTransform->setObjectName(QLatin1String("Blue TR Transform"));
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Qt3DExtras::QPhongMaterial *blueMaterial = new Qt3DExtras::QPhongMaterial(rootEntity);
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blueMaterial->setObjectName(QLatin1String("Blue Material"));
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blueMaterial->setDiffuse(Qt::blue);
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Qt3DCore::QEntity *leafNode = new Qt3DCore::QEntity(rootEntity);
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leafNode->addComponent(mesh);
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leafNode->addComponent(blueMaterial);
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leafNode->setObjectName(QLatin1String("Blue Leaf"));
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// sometimes this can change things
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//QCoreApplication::processEvents();
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tree1node2->addComponent(wrongBlueTransform);
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tree2node2->addComponent(topRightTransform);
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tree1node1->setParent(rootEntity);
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tree1node2->setParent(tree1node1);
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tree1node3->setParent(tree1node2);
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tree2node1->setParent(rootEntity);
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tree2node2->setParent(tree2node1);
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tree2node3->setParent(tree2node2);
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leafNode->setParent(tree1node3);
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leafNode->setParent(tree2node3);
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}
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return app.exec();
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}
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