diff options
Diffstat (limited to 'examples/declarative/particles/trails/dynamicemitters.qml')
-rw-r--r-- | examples/declarative/particles/trails/dynamicemitters.qml | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/examples/declarative/particles/trails/dynamicemitters.qml b/examples/declarative/particles/trails/dynamicemitters.qml new file mode 100644 index 0000000000..8ea0272d94 --- /dev/null +++ b/examples/declarative/particles/trails/dynamicemitters.qml @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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 Qt.labs.particles 2.0 + +Rectangle{ + id: root + color: "black" + width: 640 + height: 480 + ParticleSystem{ + id: sys + } + ColoredParticle{ + system: sys + image: "content/particle.png" + color: "white" + colorVariation: 1.0 + alpha: 0.1 + } + Component{ + id: emitterComp + TrailEmitter{ + id: container + TrailEmitter{ + id: emitMore + system: sys + emitting: true + particlesPerSecond: 128 + particleDuration: 600 + particleSize: 16 + particleEndSize: 8 + speed: AngleVector{angleVariation:360; magnitude: 60} + } + + property int life: 2600 + property real targetX: 0 + property real targetY: 0 + function go(){ + xAnim.start(); + yAnim.start(); + container.emitting = true + } + system: sys + emitting: true + particlesPerSecond: 64 + particleDuration: 600 + particleSize: 24 + particleEndSize: 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<16; i++){ + var obj = emitterComp.createObject(root); + obj.x = mouse.x + obj.y = mouse.y + obj.targetX = Math.random() * 640 + obj.targetY = Math.random() * 480 + obj.life = Math.round(Math.random() * 2400) + 200 + obj.go(); + } + } + } +} |