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diff --git a/examples/quick/particles/affectors/turbulence.qml b/examples/quick/particles/affectors/turbulence.qml
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Particles
+
+Rectangle {
+    width: 320
+    height: 480
+    color: "#222222"
+    id: root
+    Image {
+        source: "images/candle.png"
+        anchors.bottom: parent.bottom
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.bottomMargin: -60
+        anchors.horizontalCenterOffset: 2
+    }
+    ParticleSystem {
+        anchors.fill: parent
+        MouseArea {
+            anchors.fill: parent
+            onClicked: turb.enabled = !turb.enabled
+        }
+
+        //! [0]
+        Turbulence {
+            id: turb
+            enabled: true
+            height: (parent.height / 2) - 4
+            width: parent.width
+            x: parent. width / 4
+            anchors.fill: parent
+            strength: 32
+            NumberAnimation on strength{from: 16; to: 64; easing.type: Easing.InOutBounce; duration: 1800; loops: -1}
+        }
+        //! [0]
+
+        ImageParticle {
+            groups: ["smoke"]
+            source: "qrc:///particleresources/glowdot.png"
+            color: "#11111111"
+            colorVariation: 0
+        }
+        ImageParticle {
+            groups: ["flame"]
+            source: "qrc:///particleresources/glowdot.png"
+            color: "#11ff400f"
+            colorVariation: 0.1
+        }
+        Emitter {
+            anchors.centerIn: parent
+            group: "flame"
+
+            emitRate: 120
+            lifeSpan: 1200
+            size: 20
+            endSize: 10
+            sizeVariation: 10
+            acceleration: PointDirection { y: -40 }
+            velocity: AngleDirection { angle: 270; magnitude: 20; angleVariation: 22; magnitudeVariation: 5 }
+        }
+        TrailEmitter {
+            id: smoke1
+            width: root.width
+            height: root.height/2
+            group: "smoke"
+            follow: "flame"
+
+            emitRatePerParticle: 1
+            lifeSpan: 2400
+            lifeSpanVariation: 400
+            size: 16
+            endSize: 8
+            sizeVariation: 8
+            acceleration: PointDirection { y: -40 }
+            velocity: AngleDirection { angle: 270; magnitude: 40; angleVariation: 22; magnitudeVariation: 5 }
+        }
+        TrailEmitter {
+            id: smoke2
+            width: root.width
+            height: root.height/2 - 20
+            group: "smoke"
+            follow: "flame"
+
+            emitRatePerParticle: 4
+            lifeSpan: 2400
+            size: 36
+            endSize: 24
+            sizeVariation: 12
+            acceleration: PointDirection { y: -40 }
+            velocity: AngleDirection { angle: 270; magnitude: 40; angleVariation: 22; magnitudeVariation: 5 }
+        }
+    }
+}