<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>dynamicscene.qml Example File | Qt QML 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtqml-index.html">Qt QML</a></td><td ><a href="qtqml-dynamicscene-example.html">QML Example - Dynamic Scene</a></td><td >dynamicscene.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">dynamicscene.qml Example File</h1> <span class="subtitle">dynamicscene/dynamicscene.qml</span> <!-- $$$dynamicscene/dynamicscene.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> <span class="comment">/**************************************************************************** ** ** 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> import QtQuick 2.0 import QtQuick.Particles 2.0 import "content" <span class="type">Item</span> { <span class="name">id</span>: <span class="name">window</span> property <span class="type">int</span> <span class="name">activeSuns</span>: <span class="number">0</span> property <span class="type">int</span> <span class="name">centerOffset</span>: <span class="number">72</span> <span class="name">height</span>: <span class="number">480</span>; <span class="name">width</span>: <span class="number">320</span> <span class="type">MouseArea</span> { <span class="name">anchors</span>.fill: <span class="name">parent</span> <span class="name">onClicked</span>: <span class="name">window</span>.<span class="name">focus</span> <span class="operator">=</span> <span class="number">false</span>; } <span class="comment">//This is the message box that pops up when there's an error</span> <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">dialog</span> <span class="name">opacity</span>: <span class="number">0</span> <span class="name">anchors</span>.centerIn: <span class="name">parent</span> <span class="name">width</span>: <span class="name">dialogText</span>.<span class="name">width</span> <span class="operator">+</span> <span class="number">6</span>; <span class="name">height</span>: <span class="name">dialogText</span>.<span class="name">height</span> <span class="operator">+</span> <span class="number">6</span> <span class="name">border</span>.color: <span class="string">'black'</span> <span class="name">color</span>: <span class="string">'lightsteelblue'</span> <span class="name">z</span>: <span class="number">65535</span> <span class="comment">//Arbitrary number chosen to be above all the items, including the scaled perspective ones.</span> <span class="keyword">function</span> <span class="name">show</span>(<span class="name">str</span>){ <span class="name">dialogText</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">str</span>; <span class="name">dialogAnim</span>.<span class="name">start</span>(); } <span class="type">Text</span> { <span class="name">id</span>: <span class="name">dialogText</span> <span class="name">x</span>: <span class="number">3</span>; <span class="name">y</span>: <span class="number">3</span> <span class="name">font</span>.pixelSize: <span class="number">14</span> } <span class="type">SequentialAnimation</span> { <span class="name">id</span>: <span class="name">dialogAnim</span> <span class="type">NumberAnimation</span> { <span class="name">target</span>: <span class="name">dialog</span>; <span class="name">property</span>:<span class="string">"opacity"</span>; <span class="name">to</span>: <span class="number">1</span>; <span class="name">duration</span>: <span class="number">1000</span> } <span class="type">PauseAnimation</span> { <span class="name">duration</span>: <span class="number">5000</span> } <span class="type">NumberAnimation</span> { <span class="name">target</span>: <span class="name">dialog</span>; <span class="name">property</span>:<span class="string">"opacity"</span>; <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">1000</span> } } } <span class="type">Item</span> { <span class="name">id</span>: <span class="name">scene</span> <span class="type">anchors</span> { <span class="name">top</span>: <span class="name">sky</span>.<span class="name">top</span>; <span class="name">bottom</span>: <span class="name">ground</span>.<span class="name">bottom</span>; <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>; <span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>} <span class="name">z</span>: <span class="number">10</span> } <span class="comment">// sky</span> <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">sky</span> <span class="type">anchors</span> { <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>; <span class="name">top</span>: <span class="name">toolbox</span>.<span class="name">bottom</span>; <span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>; <span class="name">bottomMargin</span>: -<span class="name">window</span>.<span class="name">centerOffset</span>; <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">verticalCenter</span> } <span class="name">gradient</span>: <span class="name">Gradient</span> { <span class="type">GradientStop</span> { <span class="name">id</span>: <span class="name">gradientStopA</span>; <span class="name">position</span>: <span class="number">0.0</span>; <span class="name">color</span>: <span class="string">"#0E1533"</span> } <span class="type">GradientStop</span> { <span class="name">id</span>: <span class="name">gradientStopB</span>; <span class="name">position</span>: <span class="number">1.0</span>; <span class="name">color</span>: <span class="string">"#437284"</span> } } } <span class="comment">// stars (when there's no sun)</span> <span class="type">ParticleSystem</span> { <span class="name">id</span>: <span class="name">particlesystem</span> <span class="name">anchors</span>.fill: <span class="name">sky</span> <span class="type">ImageParticle</span> { <span class="name">id</span>: <span class="name">stars</span> <span class="name">source</span>: <span class="string">"content/images/star.png"</span> <span class="name">groups</span>: [<span class="string">"stars"</span>] <span class="name">opacity</span>: <span class="number">.5</span> } <span class="type">Emitter</span> { <span class="name">id</span>: <span class="name">starsemitter</span> <span class="name">anchors</span>.fill: <span class="name">parent</span> <span class="name">emitRate</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="operator">/</span> <span class="number">50</span> <span class="name">lifeSpan</span>: <span class="number">5000</span> <span class="name">group</span>: <span class="string">"stars"</span> } } <span class="comment">// ground</span> <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">ground</span> <span class="name">z</span>: <span class="number">2</span> <span class="comment">// just above the sun so that the sun can set behind it</span> <span class="type">anchors</span> { <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>; <span class="name">top</span>: <span class="name">parent</span>.<span class="name">verticalCenter</span>; <span class="name">topMargin</span>: <span class="name">window</span>.<span class="name">centerOffset</span>; <span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>; <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span> } <span class="name">gradient</span>: <span class="name">Gradient</span> { <span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">0.0</span>; <span class="name">color</span>: <span class="string">"ForestGreen"</span> } <span class="type">GradientStop</span> { <span class="name">position</span>: <span class="number">1.0</span>; <span class="name">color</span>: <span class="string">"DarkGreen"</span> } } } <span class="comment">// top panel</span> <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">toolbox</span> <span class="name">height</span>: <span class="name">window</span>.<span class="name">centerOffset</span> <span class="operator">*</span> <span class="number">2</span> <span class="name">color</span>: <span class="string">"white"</span> <span class="type">anchors</span> { <span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>; <span class="name">top</span>: <span class="name">parent</span>.<span class="name">top</span>; <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>} <span class="type">Column</span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span> <span class="name">spacing</span>: <span class="number">8</span> <span class="type">Text</span> { <span class="name">text</span>: <span class="string">"Drag an item into the scene."</span> } <span class="type">Rectangle</span> { <span class="name">width</span>: <span class="name">palette</span>.<span class="name">width</span> <span class="operator">+</span> <span class="number">10</span>; <span class="name">height</span>: <span class="name">palette</span>.<span class="name">height</span> <span class="operator">+</span> <span class="number">10</span> <span class="name">border</span>.color: <span class="string">"black"</span> <span class="type">Row</span> { <span class="name">id</span>: <span class="name">palette</span> <span class="name">anchors</span>.centerIn: <span class="name">parent</span> <span class="name">spacing</span>: <span class="number">8</span> <span class="type">PaletteItem</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">componentFile</span>: <span class="string">"Sun.qml"</span> <span class="name">source</span>: <span class="string">"content/images/sun.png"</span> <span class="name">image</span>: <span class="string">"images/sun.png"</span> } <span class="type">PaletteItem</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">componentFile</span>: <span class="string">"GenericSceneItem.qml"</span> <span class="name">source</span>: <span class="string">"content/images/moon.png"</span> <span class="name">image</span>: <span class="string">"images/moon.png"</span> } <span class="type">PaletteItem</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">componentFile</span>: <span class="string">"PerspectiveItem.qml"</span> <span class="name">source</span>: <span class="string">"content/images/tree_s.png"</span> <span class="name">image</span>: <span class="string">"images/tree_s.png"</span> } <span class="type">PaletteItem</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">componentFile</span>: <span class="string">"PerspectiveItem.qml"</span> <span class="name">source</span>: <span class="string">"content/images/rabbit_brown.png"</span> <span class="name">image</span>: <span class="string">"images/rabbit_brown.png"</span> } <span class="type">PaletteItem</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">componentFile</span>: <span class="string">"PerspectiveItem.qml"</span> <span class="name">source</span>: <span class="string">"content/images/rabbit_bw.png"</span> <span class="name">image</span>: <span class="string">"images/rabbit_bw.png"</span> } } } <span class="type">Text</span> { <span class="name">text</span>: <span class="string">"Active Suns: "</span> <span class="operator">+</span> <span class="name">window</span>.<span class="name">activeSuns</span> } } } <span class="comment">//Popup toolbox down the bottom</span> <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">popupToolbox</span> <span class="name">z</span>: <span class="number">1000</span> <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="name">height</span>: <span class="name">popupColumn</span>.<span class="name">height</span> <span class="operator">+</span> <span class="number">16</span> <span class="name">color</span>: <span class="string">"white"</span> property <span class="type">bool</span> <span class="name">poppedUp</span>: <span class="number">false</span> property <span class="type">int</span> <span class="name">downY</span>: <span class="name">window</span>.<span class="name">height</span> <span class="operator">-</span> (<span class="name">createButton</span>.<span class="name">height</span> <span class="operator">+</span> <span class="number">16</span>) property <span class="type">int</span> <span class="name">upY</span>: <span class="name">window</span>.<span class="name">height</span> <span class="operator">-</span> (<span class="name">popupColumn</span>.<span class="name">height</span> <span class="operator">+</span> <span class="number">16</span>) <span class="name">y</span>: <span class="name">poppedUp</span> ? <span class="name">upY</span> : <span class="name">downY</span> Behavior on <span class="name">y</span> { <span class="type">NumberAnimation</span> {}} <span class="type">Column</span> { <span class="name">id</span>: <span class="name">popupColumn</span> <span class="name">y</span>: <span class="number">8</span> <span class="name">spacing</span>: <span class="number">8</span> <span class="type">Row</span> { <span class="name">height</span>: <span class="name">createButton</span>.<span class="name">height</span> <span class="name">spacing</span>: <span class="number">8</span> <span class="type">Text</span> { <span class="name">text</span>: <span class="string">"Custom QML:"</span>; <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> } <span class="type">Button</span> { <span class="name">id</span>: <span class="name">popupButton</span> <span class="name">text</span>: <span class="name">popupToolbox</span>.<span class="name">poppedUp</span> ? <span class="string">"Hide"</span> : <span class="string">"Show"</span> <span class="name">onClicked</span>: <span class="name">popupToolbox</span>.<span class="name">poppedUp</span> <span class="operator">=</span> !<span class="name">popupToolbox</span>.<span class="name">poppedUp</span> } <span class="type">Button</span> { <span class="name">id</span>: <span class="name">createButton</span> <span class="name">text</span>: <span class="string">"Create"</span> <span class="name">onClicked</span>: { <span class="keyword">try</span> { <span class="name">Qt</span>.<span class="name">createQmlObject</span>(<span class="name">qmlText</span>.<span class="name">text</span>, <span class="name">scene</span>, <span class="string">'CustomObject'</span>); } <span class="keyword">catch</span>(<span class="name">err</span>) { dialog.show('Error on line ' + err.qmlErrors[0].lineNumber + '\n' + err.qmlErrors[0].message); } } } } <span class="type">Rectangle</span> { <span class="name">width</span>: <span class="number">360</span>; <span class="name">height</span>: <span class="number">240</span> <span class="type">TextEdit</span> { <span class="name">id</span>: <span class="name">qmlText</span> <span class="name">anchors</span>.fill: <span class="name">parent</span>; <span class="name">anchors</span>.margins: <span class="number">5</span> <span class="name">readOnly</span>: <span class="number">false</span> <span class="name">font</span>.pixelSize: <span class="number">14</span> <span class="name">selectByMouse</span>: <span class="number">true</span> <span class="name">wrapMode</span>: <span class="name">TextEdit</span>.<span class="name">WordWrap</span> <span class="name">text</span>: <span class="string">"import QtQuick 2.0\nImage {\n id: smile\n x: 360 * Math.random()\n y: 40 * Math.random() \n source: 'content/images/face-smile.png'\n NumberAnimation on opacity { \n to: 0; duration: 1500\n }\n Component.onCompleted: smile.destroy(1500);\n}"</span> } } } } <span class="comment">//Day state, for when a sun is added to the scene</span> <span class="name">states</span>: <span class="name">State</span> { <span class="name">name</span>: <span class="string">"Day"</span> <span class="name">when</span>: <span class="name">window</span>.<span class="name">activeSuns</span> <span class="operator">></span> <span class="number">0</span> <span class="type">PropertyChanges</span> { <span class="name">target</span>: <span class="name">gradientStopA</span>; <span class="name">color</span>: <span class="string">"DeepSkyBlue"</span> } <span class="type">PropertyChanges</span> { <span class="name">target</span>: <span class="name">gradientStopB</span>; <span class="name">color</span>: <span class="string">"SkyBlue"</span> } <span class="type">PropertyChanges</span> { <span class="name">target</span>: <span class="name">stars</span>; <span class="name">opacity</span>: <span class="number">0</span> } } <span class="name">transitions</span>: <span class="name">Transition</span> { <span class="type">PropertyAnimation</span> { <span class="name">duration</span>: <span class="number">3000</span> } <span class="type">ColorAnimation</span> { <span class="name">duration</span>: <span class="number">3000</span> } } } </pre> </div> <!-- @@@dynamicscene/dynamicscene.qml --> </div> 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Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>