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/****************************************************************************
**
** Copyright (C) 2013 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
Item {
id: cloudRoot
x: app.width
y: randomY+deltaY
width: app.width*0.2
height: width*0.4
property int duration: 20000
property string sourceImage: ""
property real deltaY: 0
property real randomY: app.height*0.3
property real amplitudeY: app.height*0.2
function start() {
recalculate()
cloudXAnimation.restart();
cloudYAnimation.restart();
}
function recalculate() {
cloudRoot.duration = Math.random()*15000 + 10000
cloudRoot.x = app.width
cloudRoot.randomY = Math.random()*app.height
cloudRoot.width = app.width*0.2
cloudRoot.height = cloudRoot.width*0.4
cloudRoot.scale = Math.random()*0.6 + 0.7
}
Image {
id: cloud
anchors.fill: cloudRoot
source: cloudRoot.sourceImage
}
SequentialAnimation{
id: cloudYAnimation
NumberAnimation { target: cloudRoot; property: "deltaY"; duration: cloudRoot.duration*0.3; from: 0; to:cloudRoot.amplitudeY; easing.type: Easing.InOutQuad }
NumberAnimation { target: cloudRoot; property: "deltaY"; duration: cloudRoot.duration*0.3; from: cloudRoot.amplitudeY; to:0; easing.type: Easing.InOutQuad }
running: true
onRunningChanged: {
if (!running) {
cloudRoot.amplitudeY = Math.random() * (app.height*0.2)
restart()
}
}
}
NumberAnimation {
id: cloudXAnimation
target: cloudRoot
property: "x"
duration: cloudRoot.duration
to:-cloudRoot.width
running: true
onRunningChanged: {
if (!running) {
recalculate()
restart()
}
}
}
}
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