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Diffstat (limited to 'examples/qml/particles/customparticle/imagecolors.qml')
-rw-r--r-- | examples/qml/particles/customparticle/imagecolors.qml | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/examples/qml/particles/customparticle/imagecolors.qml b/examples/qml/particles/customparticle/imagecolors.qml new file mode 100644 index 0000000000..94e5123a0c --- /dev/null +++ b/examples/qml/particles/customparticle/imagecolors.qml @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 { + 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" + } + 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: 8000 + maximumEmitted: 4000 + anchors.fill: parent + size: 16 + acceleration: PointDirection { xVariation: 12; yVariation: 12 } + } + MouseArea { + anchors.fill: parent + onClicked: emitter.burst(4000); + } + } +} |