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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 1.0
Rectangle {
property bool rising: false
property bool verticalRise: true
property real xAttractor: 0
property real yAttractor: 0
width: 5 + 10*Math.random()
height: width
radius: Math.floor(width/2)-1
property real amountOfGray: Math.random()
color: Qt.rgba(amountOfGray,amountOfGray,amountOfGray,1)
y: (rising && verticalRise) ? yAttractor : Math.random()*(main.inPortrait ? main.baseHeight : main.baseWidth)
x: (rising && !verticalRise) ? xAttractor : Math.random()*(main.inPortrait ? main.baseWidth : main.baseHeight)
Behavior on x {
id: xBehavior
SmoothedAnimation {
velocity: 100+Math.random()*100
}
}
Behavior on y {
id: yBehavior
SmoothedAnimation {
velocity: 100+Math.random()*100
}
}
Timer {
interval: 80+Math.random()*40
repeat: true
running: true
onTriggered: {
if (rising) {
if (x > main.width || x < 0) {
xBehavior.enabled = false;
rising = false;
xBehavior.enabled = true;
rising = true;
}
if (y > main.height || y < 0) {
yBehavior.enabled = false;
rising = false;
yBehavior.enabled = true;
rising = true;
}
}
}
}
}
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