Qt Quick Particles Examples - Image Particles▲
Sélectionnez
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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
{
color
:
"goldenrod"
width
:
400
height
:
400
ParticleSystem
{
id
:
sys}
ImageParticle
{
system
:
sys
groups
:
["goingLeft"
, "goingRight"
]
source
:
"../../images/starfish_4.png"
rotation
:
90
rotationVelocity
:
90
autoRotation
:
true
}
ImageParticle
{
system
:
sys
groups
:
["goingDown"
]
source
:
"../../images/starfish_0.png"
rotation
:
180
yVector
:
PointDirection
{
y
:
0.5; yVariation
:
0.25; xVariation
:
0.25; }
}
Timer
{
running
:
true
repeat
:
false
interval
:
100
onTriggered
:
emitA.enabled =
true
;
}
Timer
{
running
:
true
repeat
:
false
interval
:
4200
onTriggered
:
emitB.enabled =
true
;
}
Timer
{
running
:
true
repeat
:
false
interval
:
8400
onTriggered
:
emitC.enabled =
true
;
}
Emitter
{
id
:
emitA
x
:
0
y
:
120
system
:
sys
enabled
:
false
group
:
"goingRight"
velocity
:
PointDirection
{
x
:
100
}
lifeSpan
:
4000
emitRate
:
1
size
:
128
}
Emitter
{
id
:
emitB
x
:
400
y
:
240
system
:
sys
enabled
:
false
group
:
"goingLeft"
velocity
:
PointDirection
{
x
:
-
100
}
lifeSpan
:
4000
emitRate
:
1
size
:
128
}
Emitter
{
id
:
emitC
x
:
0
y
:
360
system
:
sys
enabled
:
false
group
:
"goingDown"
velocity
:
PointDirection
{
x
:
100
}
lifeSpan
:
4000
emitRate
:
1
size
:
128
}
}