Qt Quick Particles Examples - Affectors▲
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
{
width
:
360
height
:
540
color
:
"black"
ParticleSystem
{
anchors.fill
:
parent
ImageParticle
{
groups
:
["A"
]
anchors.fill
:
parent
source
:
"qrc:///particleresources/star.png"
color
:
"#FF1010"
redVariation
:
0.8
}
Emitter
{
group
:
"A"
emitRate
:
100
lifeSpan
:
2800
size
:
32
sizeVariation
:
8
velocity
:
PointDirection
{
x
:
66
; xVariation
:
20
}
width
:
80
height
:
80
}
Affector
{
groups
:
["A"
]
x
:
120
width
:
80
height
:
80
once
:
true
position
:
PointDirection
{
x
:
120
; }
}
ImageParticle
{
groups
:
["B"
]
anchors.fill
:
parent
source
:
"qrc:///particleresources/star.png"
color
:
"#10FF10"
greenVariation
:
0.8
}
Emitter
{
group
:
"B"
emitRate
:
100
lifeSpan
:
2800
size
:
32
sizeVariation
:
8
velocity
:
PointDirection
{
x
:
240
; xVariation
:
60
}
y
:
260
width
:
10
height
:
10
}
Affector
{
groups
:
["B"
]
x
:
120
y
:
240
width
:
80
height
:
80
once
:
true
velocity
:
AngleDirection
{
angleVariation
:
360
; magnitude
:
72
}
}
ImageParticle
{
groups
:
["C"
]
anchors.fill
:
parent
source
:
"qrc:///particleresources/star.png"
color
:
"#1010FF"
blueVariation
:
0.8
}
Emitter
{
group
:
"C"
y
:
400
emitRate
:
100
lifeSpan
:
2800
size
:
32
sizeVariation
:
8
velocity
:
PointDirection
{
x
:
80
; xVariation
:
10
}
acceleration
:
PointDirection
{
y
:
10
; x
:
20
; }
width
:
80
height
:
80
}
Affector
{
groups
:
["C"
]
x
:
120
y
:
400
width
:
80
height
:
120
once
:
true
relative
:
false
acceleration
:
PointDirection
{
y
:
-
80
; }
}
}
}