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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 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."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-import QtQuick 2.0
-import QtQuick.Particles 2.0
-
-Rectangle{
- id: root
- color: "white"
- width: 310
- height: 300
- 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: "content/singlesmile.png"
- }
- ShaderEffectSource{
- id: particleSource
- sourceItem: particle
- hideSource: true
- }
- Image{
- id: particle
- source: "content/particle.png"
- }
- 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 / maxWidth, qt_ParticlePos.y / maxHeight);
- highp float t = (qt_Timestamp - qt_ParticleData.x) / qt_ParticleData.y;
- fFade = min(t*4., (1.-t*t)*.75) * qt_Opacity;
- defaultMain();
- }
- "
- property variant particleTexture: particleSource
- property variant pictureTexture: pictureSource
- 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;
- }"
- }
- Emitter{
- id: emitter
- system: sys
- enabled: false
- lifeSpan: 4000
- maximumEmitted: 1200
- anchors.fill: parent
- size: 32
- speed: PointDirection{ xVariation: 12; yVariation: 12 }
- }
- MouseArea{
- anchors.fill: parent
- onClicked: emitter.burst(1200);
- }
-}
-