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authorAlan Alpert <alan.alpert@nokia.com>2012-06-18 14:13:31 +1000
committerQt by Nokia <qt-info@nokia.com>2012-06-29 04:05:44 +0200
commitf4e75e134f5712156ad2b720b48265da683dda94 (patch)
treed521ea46a3222f6e31f5e646b8dc35b7125e6abc /examples/particles/system/system.qml
parent5df94d89033e7bbb3f41840a4c07a628ed66b4d5 (diff)
Update particles examples en masse
Change-Id: I882f59c687d790bc55cf59abf6f0ea80b65b50d9 Reviewed-by: Alan Alpert <alan.alpert@nokia.com>
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** 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 "../../shared" as Examples
+
+/*!
+ \title QtQuick.Particles Examples - Affectors
+ \example particles/system
+ \brief This is a collection of examples using Affectors in the QML particle system.
+ \image qml-system-example.png
+
+ This is a collection of small QML examples relating to using Affectors in the particle system.
+ Each example is a small QML file emphasizing a particular element or feature.
+
+ Dynamic comparison compares using the particle system to getting a similar effect with the following code that dynamically instantiates Image elements.
+ \snippet examples/particles/system/content/dynamiccomparison.qml fake
+ Note how the Image elements are not able to be randomly colorized.
+
+ Start and Stop simply sets the running and paused states of a ParticleSystem. While the system does not perform any simulation when stopped or paused, a restart restarts the simulation from the beginning, while unpausing resumes the simulation from where it was.
+
+ Timed group changes is an example that highlights the ParticleGroup element. While normally referring to groups with a string name is sufficent, additional effects can be
+ done by setting properties on groups.
+ The first group has a variable duration on it, but always transitions to the second group.
+ \snippet examples/particles/system/content/timedgroupchanges.qml 0
+ The second group has a TrailEmitter on it, and a fixed duration for emitting into the third group. By placing the TrailEmitter as a direct child of the ParticleGroup, it automatically selects that group to follow.
+ \snippet examples/particles/system/content/timedgroupchanges.qml 1
+ The third group has an Affector as a direct child, which makes the affector automatically target this group. The affector means that as soon as particles enter this group, a burst function can be called on another emitter, using the x,y positions of this particle.
+ \snippet examples/particles/system/content/timedgroupchanges.qml 2
+
+ If TrailEmitter does not suit your needs for multiple emitters, you can also dynamically create Emitters while still using the same ParticleSystem and image particle
+ \snippet examples/particles/system/content/dynamicemitters.qml 0
+ Note that this effect, a flurry of flying rainbow spears, would be better served with TrailEmitter. It is only done with dynamic emitters in this example to show the concept more simply.
+
+ Multiple Painters shows how to control paint ordering of individual particles. While the paint ordering of particles within one ImagePainter is not strictly defined, ImageParticle elements follow the normal Z-ordering rules for QtQuick items. This example allow you to paint the inside of the particles above the black borders using a pair of ImageParticles each painting different parts of the same logical particle.
+
+*/
+
+Item {
+ height: 480
+ width: 320
+ Examples.LauncherList {
+ id: ll
+ anchors.fill: parent
+ Component.onCompleted: {
+ addExample("Dynamic Comparison", "Compares with dynamically created elements", Qt.resolvedUrl("content/dynamiccomparison.qml"));
+ addExample("StartStop", "Start and stop the simulation", Qt.resolvedUrl("content/startstop.qml"));
+ addExample("Timed group changes", "Emit into managed groups", Qt.resolvedUrl("content/timedgroupchanges.qml"));
+ addExample("Dynamic Emitters", "Dynamically instantiated emitters with a single system", Qt.resolvedUrl("content/dynamicemitters.qml"));
+ addExample("Multiple Painters", "Several ParticlePainters on the same logical particles", Qt.resolvedUrl("content/multiplepainters.qml"));
+ }
+ }
+}