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Diffstat (limited to 'examples/quick/particles/emitters/burstandpulse.qml')
-rw-r--r-- | examples/quick/particles/emitters/burstandpulse.qml | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/examples/quick/particles/emitters/burstandpulse.qml b/examples/quick/particles/emitters/burstandpulse.qml new file mode 100644 index 0000000000..d3c38c2360 --- /dev/null +++ b/examples/quick/particles/emitters/burstandpulse.qml @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** 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 { + id: root + + width: 320 + height: 480 + color: "black" + property bool lastWasPulse: false + Timer { + interval: 3500 + triggeredOnStart: true + running: true + repeat: true + onTriggered: { + //! [0] + if (root.lastWasPulse) { + burstEmitter.burst(500); + root.lastWasPulse = false; + } else { + pulseEmitter.pulse(500); + root.lastWasPulse = true; + } + //! [0] + } + } + ParticleSystem { + id: particles + anchors.fill: parent + ImageParticle { + source: "qrc:///particleresources/star.png" + alpha: 0 + colorVariation: 0.6 + } + + Emitter { + id: burstEmitter + x: parent.width/2 + y: parent.height/3 + emitRate: 1000 + lifeSpan: 2000 + enabled: false + velocity: AngleDirection{magnitude: 64; angleVariation: 360} + size: 24 + sizeVariation: 8 + Text { + anchors.centerIn: parent + color: "white" + font.pixelSize: 18 + text: "Burst" + } + } + Emitter { + id: pulseEmitter + x: parent.width/2 + y: 2*parent.height/3 + emitRate: 1000 + lifeSpan: 2000 + enabled: false + velocity: AngleDirection{magnitude: 64; angleVariation: 360} + size: 24 + sizeVariation: 8 + Text { + anchors.centerIn: parent + color: "white" + font.pixelSize: 18 + text: "Pulse" + } + } + } +} |