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Diffstat (limited to 'examples/declarative/particles/simple/dynamiccomparison.qml')
-rw-r--r-- | examples/declarative/particles/simple/dynamiccomparison.qml | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/examples/declarative/particles/simple/dynamiccomparison.qml b/examples/declarative/particles/simple/dynamiccomparison.qml new file mode 100644 index 0000000000..5cfb3427e8 --- /dev/null +++ b/examples/declarative/particles/simple/dynamiccomparison.qml @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** 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: "black" + width: 640 + height: 480 + ParticleSystem{ + id: sys + } + ImageParticle{ + system: sys + source: "../images/particle.png" + color: "white" + colorVariation: 1.0 + alpha: 0.1 + entryEffect: ImageParticle.None + } + Emitter{ + id: emitter + system: sys + width: parent.width/2 + speed: PointDirection{y: 72; yVariation: 24} + lifeSpan: 10000 + emitRate: 1000 + enabled: false + size: 32 + } + Item{ + id: fakeEmitter + function burst(number){ + while(number > 0){ + var item = fakeParticle.createObject(root); + item.lifeSpan = Math.random() * 5000 + 5000; + item.x = Math.random() * 320 + 320; + item.y = 0; + number--; + } + } + + Component{ + id: fakeParticle + Image{ + id: container + property int lifeSpan: 10000 + width: 32 + height: 32 + source: "../images/particle.png" + y: 0 + PropertyAnimation on y{from: -16; to: 480-16; duration: container.lifeSpan; running: true} + SequentialAnimation on opacity{ + running: true + NumberAnimation{ from:0; to: 1; duration: 500} + PauseAnimation{ duration: container.lifeSpan - 1000} + NumberAnimation{ from:1; to: 0; duration: 500} + ScriptAction{ script: container.destroy(); } + } + } + } + } + Text{ + anchors.left: parent.left + anchors.bottom: parent.bottom + text: "1000 particles" + color: "white" + MouseArea{ + anchors.fill: parent + onClicked: emitter.burst(1000); + } + } + Text{ + anchors.right: parent.right + anchors.bottom: parent.bottom + text: "1000 items" + color: "white" + MouseArea{ + anchors.fill: parent + onClicked: fakeEmitter.burst(1000); + } + } +} |