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diff --git a/src/declarative/particles/qsgwander_p.h b/src/declarative/particles/qsgwander_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Declarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WANDERAFFECTOR_H
+#define WANDERAFFECTOR_H
+#include <QHash>
+#include "qsgparticleaffector_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+
+struct WanderData{
+    qreal x_vel;
+    qreal y_vel;
+    qreal x_peak;
+    qreal x_var;
+    qreal y_peak;
+    qreal y_var;
+};
+
+class QSGWanderAffector : public QSGParticleAffector
+{
+    Q_OBJECT
+    Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged)
+    Q_PROPERTY(qreal xVariance READ xVariance WRITE setXVariance NOTIFY xVarianceChanged)
+    Q_PROPERTY(qreal yVariance READ yVariance WRITE setYVariance NOTIFY yVarianceChanged)
+    Q_PROPERTY(PhysicsAffects physics READ physics WRITE setPhysics NOTIFY physicsChanged)
+    Q_ENUMS(PhysicsAffects)
+
+public:
+    enum PhysicsAffects {
+        Position,
+        Velocity,
+        Acceleration
+    };
+
+    explicit QSGWanderAffector(QSGItem *parent = 0);
+    ~QSGWanderAffector();
+    virtual void reset(int systemIdx);
+
+    qreal xVariance() const
+    {
+        return m_xVariance;
+    }
+
+    qreal yVariance() const
+    {
+        return m_yVariance;
+    }
+
+    qreal pace() const
+    {
+        return m_pace;
+    }
+
+    PhysicsAffects physics() const
+    {
+        return m_physics;
+    }
+
+protected:
+    virtual bool affectParticle(QSGParticleData *d, qreal dt);
+signals:
+
+    void xVarianceChanged(qreal arg);
+
+    void yVarianceChanged(qreal arg);
+
+    void paceChanged(qreal arg);
+
+
+    void physicsChanged(PhysicsAffects arg);
+
+public slots:
+void setXVariance(qreal arg)
+{
+    if (m_xVariance != arg) {
+        m_xVariance = arg;
+        emit xVarianceChanged(arg);
+    }
+}
+
+void setYVariance(qreal arg)
+{
+    if (m_yVariance != arg) {
+        m_yVariance = arg;
+        emit yVarianceChanged(arg);
+    }
+}
+
+void setPace(qreal arg)
+{
+    if (m_pace != arg) {
+        m_pace = arg;
+        emit paceChanged(arg);
+    }
+}
+
+
+void setPhysics(PhysicsAffects arg)
+{
+    if (m_physics != arg) {
+        m_physics = arg;
+        emit physicsChanged(arg);
+    }
+}
+
+private:
+    WanderData* getData(int idx);
+    QHash<int, WanderData*> m_wanderData;
+    qreal m_xVariance;
+    qreal m_yVariance;
+    qreal m_pace;
+    PhysicsAffects m_physics;
+};
+
+QT_END_NAMESPACE
+QT_END_HEADER
+#endif // WANDERAFFECTOR_H