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**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
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** notice, this list of conditions and the following disclaimer.
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** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
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** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
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import QtQuick 2.0
import QtQuick.Particles 2.0
Item {
id: root
height: 480
width: 320
MouseArea {
id: mouseArea
anchors.fill: root
}
ParticleSystem { id: sys1 }
ImageParticle {
system: sys1
source: "particle.png"
color: "cyan"
alpha: 0
SequentialAnimation on color {
loops: Animation.Infinite
ColorAnimation {
from: "cyan"
to: "magenta"
duration: 1000
}
ColorAnimation {
from: "magenta"
to: "blue"
duration: 2000
}
ColorAnimation {
from: "blue"
to: "violet"
duration: 2000
}
ColorAnimation {
from: "violet"
to: "cyan"
duration: 2000
}
}
colorVariation: 0.3
}
//! [0]
Emitter {
id: trailsNormal
system: sys1
emitRate: 500
lifeSpan: 2000
y: mouseArea.pressed ? mouseArea.mouseY : circle.cy
x: mouseArea.pressed ? mouseArea.mouseX : circle.cx
velocity: PointDirection {xVariation: 4; yVariation: 4;}
acceleration: PointDirection {xVariation: 10; yVariation: 10;}
velocityFromMovement: 8
size: 8
sizeVariation: 4
}
//! [0]
ParticleSystem { id: sys2 }
ImageParticle {
color: "cyan"
system: sys2
alpha: 0
SequentialAnimation on color {
loops: Animation.Infinite
ColorAnimation {
from: "magenta"
to: "cyan"
duration: 1000
}
ColorAnimation {
from: "cyan"
to: "magenta"
duration: 2000
}
}
colorVariation: 0.5
source: "star.png"
}
Emitter {
id: trailsStars
system: sys2
emitRate: 100
lifeSpan: 2200
y: mouseArea.pressed ? mouseArea.mouseY : circle.cy
x: mouseArea.pressed ? mouseArea.mouseX : circle.cx
velocity: PointDirection {xVariation: 4; yVariation: 4;}
acceleration: PointDirection {xVariation: 10; yVariation: 10;}
velocityFromMovement: 8
size: 22
sizeVariation: 4
}
ParticleSystem { id: sys3; }
ImageParticle {
source: "particle.png"
system: sys3
color: "orange"
alpha: 0
SequentialAnimation on color {
loops: Animation.Infinite
ColorAnimation {
from: "red"
to: "green"
duration: 2000
}
ColorAnimation {
from: "green"
to: "red"
duration: 2000
}
}
colorVariation: 0.2
}
Emitter {
id: trailsNormal2
system: sys3
emitRate: 300
lifeSpan: 2000
y: mouseArea.pressed ? mouseArea.mouseY : circle2.cy
x: mouseArea.pressed ? mouseArea.mouseX : circle2.cx
velocityFromMovement: 16
velocity: PointDirection {xVariation: 4; yVariation: 4;}
acceleration: PointDirection {xVariation: 10; yVariation: 10;}
size: 12
sizeVariation: 4
}
ParticleSystem { id: sys4; }
ImageParticle {
system: sys4
source: "star.png"
color: "green"
alpha: 0
SequentialAnimation on color {
loops: Animation.Infinite
ColorAnimation {
from: "green"
to: "red"
duration: 2000
}
ColorAnimation {
from: "red"
to: "green"
duration: 2000
}
}
colorVariation: 0.5
}
Emitter {
id: trailsStars2
system: sys4
emitRate: 50
lifeSpan: 2200
y: mouseArea.pressed ? mouseArea.mouseY : circle2.cy
x: mouseArea.pressed ? mouseArea.mouseX : circle2.cx
velocityFromMovement: 16
velocity: PointDirection {xVariation: 2; yVariation: 2;}
acceleration: PointDirection {xVariation: 10; yVariation: 10;}
size: 22
sizeVariation: 4
}
Item {
id: circle
//anchors.fill: parent
property real radius: 0
property real dx: root.width / 2
property real dy: root.height / 2
property real cx: radius * Math.sin(percent*6.283185307179) + dx
property real cy: radius * Math.cos(percent*6.283185307179) + dy
property real percent: 0
SequentialAnimation on percent {
loops: Animation.Infinite
running: true
NumberAnimation {
duration: 1000
from: 1
to: 0
loops: 8
}
NumberAnimation {
duration: 1000
from: 0
to: 1
loops: 8
}
}
SequentialAnimation on radius {
loops: Animation.Infinite
running: true
NumberAnimation {
duration: 4000
from: 0
to: 100
}
NumberAnimation {
duration: 4000
from: 100
to: 0
}
}
}
Item {
id: circle3
property real radius: 100
property real dx: root.width / 2
property real dy: root.height / 2
property real cx: radius * Math.sin(percent*6.283185307179) + dx
property real cy: radius * Math.cos(percent*6.283185307179) + dy
property real percent: 0
SequentialAnimation on percent {
loops: Animation.Infinite
running: true
NumberAnimation { from: 0.0; to: 1 ; duration: 10000; }
}
}
Item {
id: circle2
property real radius: 30
property real dx: circle3.cx
property real dy: circle3.cy
property real cx: radius * Math.sin(percent*6.283185307179) + dx
property real cy: radius * Math.cos(percent*6.283185307179) + dy
property real percent: 0
SequentialAnimation on percent {
loops: Animation.Infinite
running: true
NumberAnimation { from: 0.0; to: 1 ; duration: 1000; }
}
}
}