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diff --git a/examples/qt3d/tank/tank.cpp b/examples/qt3d/tank/tank.cpp
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+++ b/examples/qt3d/tank/tank.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "tank.h"
+
+#include <QSequentialAnimationGroup>
+#include <QPropertyAnimation>
+#include <QImage>
+#include <QPainter>
+#include <QSize>
+
+#ifndef QT_NO_DEBUG
+#include <QThread>
+#include <QCoreApplication>
+#endif
+
+#include "qglbuilder.h"
+#include "qglcylinder.h"
+#include "qglmaterial.h"
+#include "qgltexture2d.h"
+#include "qgraphicsscale3d.h"
+#include "qgraphicsrotation3d.h"
+
+static inline int rval()
+{
+    // return an int 64 <--> 192 inclusive
+    return (qreal(qrand()) / qreal(RAND_MAX)) * 128 + 64;
+}
+
+static QGLMaterial *qCreateFluid()
+{
+    QImage image(QSize(128,128), QImage::Format_ARGB32);
+    QRgb col = qRgba(rval(), rval(), rval(), 196);
+    image.fill(col);
+    QPainter painter(&image);
+    QLinearGradient linearGrad(QPointF(56, 56), QPointF(72, 72));
+    linearGrad.setColorAt(0, col);
+    linearGrad.setColorAt(1, QColor(col).lighter());
+    linearGrad.setSpread(QGradient::ReflectSpread);
+    painter.fillRect(image.rect(), linearGrad);
+    painter.end();
+    QGLMaterial *mat = new QGLMaterial;
+    QColor white(Qt::white);
+    white.setAlpha(128);
+    mat->setAmbientColor(white);
+    mat->setDiffuseColor(white);
+    QGLTexture2D *tex = new QGLTexture2D(mat);
+    tex->setImage(image);
+    mat->setTexture(tex);
+    return mat;
+}
+
+Tank::Tank(QObject *parent) :
+    QGLSceneNode(parent)
+{
+    QSequentialAnimationGroup *seq = new QSequentialAnimationGroup(this);
+    QGraphicsScale3D *scale = new QGraphicsScale3D(this);
+    addTransform(scale);
+    QPropertyAnimation *anim = new QPropertyAnimation(scale, "scale");
+    anim->setDuration(10000);
+    anim->setStartValue(QVector3D(1.0f, 0.1f, 1.0f));
+    anim->setEndValue(QVector3D(1.0f, 1.2f, 1.0f));
+    anim->setEasingCurve(QEasingCurve(QEasingCurve::InOutQuad));
+    seq->addAnimation(anim);
+    seq->addPause(2000);
+    anim = new QPropertyAnimation(scale, "scale");
+    anim->setDuration(10000);
+    anim->setStartValue(QVector3D(1.0f, 1.2f, 1.0f));
+    anim->setEndValue(QVector3D(1.0f, 0.1f, 1.0f));
+    anim->setEasingCurve(QEasingCurve(QEasingCurve::InOutQuad));
+    seq->addAnimation(anim);
+    seq->setLoopCount(-1);
+    seq->start();
+
+    addNode(tankObject());
+    setMaterial(qCreateFluid());
+}
+
+QGLSceneNode *Tank::tankObject()
+{
+#ifndef QT_NO_DEBUG
+    // NOT THREADSAFE, NOT RE-ENTRANT
+    Q_ASSERT(QThread::currentThread() == qApp->thread());
+#endif
+    static QGLSceneNode *theTank = 0;
+    if (!theTank)
+    {
+        QGLBuilder build;
+        build << QGLCylinder(1.0f, 1.0f, 1.0f, 32);
+        theTank = build.finalizedSceneNode();
+        theTank->setObjectName("Tank Component");
+        QGraphicsRotation3D *rot = new QGraphicsRotation3D(theTank);
+        rot->setAxis(QVector3D(1, 0, 0));
+        rot->setAngle(-90.0f);
+        theTank->addTransform(rot);
+        theTank->setY(-theTank->boundingBox().minimum().y());
+    }
+    return theTank;
+}