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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the 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 Digia Plc 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Particles 2.0
+
+Rectangle {
+    width: 400
+    height: 400
+    Rectangle {
+        id: root
+        color: "white"
+        width: 310
+        height: 300
+        anchors.centerIn: parent
+        ParticleSystem { id: sys }
+        CustomParticle {
+            system: sys
+            property real maxWidth: root.width
+            property real maxHeight: root.height
+            ShaderEffectSource {
+                id: pictureSource
+                sourceItem: picture
+                hideSource: true
+            }
+            Image {
+                id: picture
+                source: "../../images/starfish_3.png"
+            }
+            ShaderEffectSource {
+                id: particleSource
+                sourceItem: particle
+                hideSource: true
+            }
+            Image {
+                id: particle
+                source: "../../images/particle4.png"
+            }
+            //! [vertex]
+            vertexShader:"
+                uniform highp float maxWidth;
+                uniform highp float maxHeight;
+                varying highp vec2 fTex2;
+                varying lowp float fFade;
+                uniform lowp float qt_Opacity;
+
+                void main() {                                           
+
+                    fTex2 = vec2(qt_ParticlePos.x, qt_ParticlePos.y);
+                    //Uncomment this next line for each particle to use full texture, instead of the solid color at the center of the particle.
+                    //fTex2 = fTex2 + ((- qt_ParticleData.z / 2. + qt_ParticleData.z) * qt_ParticleTex); //Adjusts size so it's like a chunk of image.
+                    fTex2 = fTex2 / vec2(maxWidth, maxHeight);
+                    highp float t = (qt_Timestamp - qt_ParticleData.x) / qt_ParticleData.y;
+                    fFade = min(t*4., (1.-t*t)*.75) * qt_Opacity;
+                    defaultMain();
+                }
+            "
+            //! [vertex]
+            property variant particleTexture: particleSource
+            property variant pictureTexture: pictureSource
+            //! [fragment]
+            fragmentShader: "
+                uniform sampler2D particleTexture;
+                uniform sampler2D pictureTexture;
+                varying highp vec2 qt_TexCoord0;
+                varying highp vec2 fTex2;
+                varying lowp float fFade;
+                void main() {
+                    gl_FragColor = texture2D(pictureTexture, fTex2) * texture2D(particleTexture, qt_TexCoord0).w * fFade;
+            }"
+            //! [fragment]
+        }
+
+        Emitter {
+            id: emitter
+            system: sys
+            enabled: false
+            lifeSpan: 8000
+            maximumEmitted: 4000
+            anchors.fill: parent
+            size: 16
+            acceleration: PointDirection { xVariation: 12; yVariation: 12 }
+        }
+        MouseArea {
+            anchors.fill: parent
+            onClicked: emitter.burst(4000);
+        }
+    }
+}