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/****************************************************************************
**
** 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 {
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
}
Component {
id: emitterComp
Emitter {
id: container
Emitter {
id: emitMore
system: sys
emitRate: 128
lifeSpan: 600
size: 16
endSize: 8
speed: AngleDirection {angleVariation:360; magnitude: 60}
}
property int life: 2600
property real targetX: 0
property real targetY: 0
function go() {
xAnim.start();
yAnim.start();
container.enabled = true
}
system: sys
emitRate: 32
lifeSpan: 600
size: 24
endSize: 8
NumberAnimation on x {
id: xAnim;
to: targetX
duration: life
running: false
}
NumberAnimation on y {
id: yAnim;
to: targetY
duration: life
running: false
}
Timer {
interval: life
running: true
onTriggered: container.destroy();
}
}
}
MouseArea {
anchors.fill: parent
onClicked: {
for (var i=0; i<8; i++) {
var obj = emitterComp.createObject(root);
obj.x = mouse.x
obj.y = mouse.y
obj.targetX = Math.random() * 240 - 120 + obj.x
obj.targetY = Math.random() * 240 - 120 + obj.y
obj.life = Math.round(Math.random() * 2400) + 200
obj.emitRate = Math.round(Math.random() * 32) + 32
obj.go();
}
}
}
}
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