<?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>tvtennis.qml Example File | Qt Quick 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="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-animation-example.html">Qt Quick Examples - Animation</a></td><td >tvtennis.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">tvtennis.qml Example File</h1> <span class="subtitle">animation/behaviors/tvtennis.qml</span> <!-- $$$animation/behaviors/tvtennis.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 <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">page</span> <span class="name">width</span>: <span class="number">320</span>; <span class="name">height</span>: <span class="number">480</span>; <span class="name">color</span>: <span class="string">"#1e1b18"</span> <span class="comment">// Make a ball to bounce</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">ball</span> <span class="comment">// Add a property for the target y coordinate</span> property <span class="type">variant</span> <span class="name">direction</span> : <span class="string">"right"</span> <span class="name">x</span>: <span class="number">20</span>; <span class="name">width</span>: <span class="number">20</span>; <span class="name">height</span>: <span class="number">20</span>; <span class="name">z</span>: <span class="number">1</span> <span class="name">color</span>: <span class="string">"#80c342"</span> <span class="comment">// Move the ball to the right and back to the left repeatedly</span> SequentialAnimation on <span class="name">x</span> { <span class="name">loops</span>: <span class="name">Animation</span>.<span class="name">Infinite</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="name">page</span>.<span class="name">width</span> <span class="operator">-</span> <span class="number">40</span>; <span class="name">duration</span>: <span class="number">2000</span> } <span class="type"><a href="qml-qtquick-propertyaction.html">PropertyAction</a></span> { <span class="name">target</span>: <span class="name">ball</span>; <span class="name">property</span>: <span class="string">"direction"</span>; <span class="name">value</span>: <span class="string">"left"</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="number">20</span>; <span class="name">duration</span>: <span class="number">2000</span> } <span class="type"><a href="qml-qtquick-propertyaction.html">PropertyAction</a></span> { <span class="name">target</span>: <span class="name">ball</span>; <span class="name">property</span>: <span class="string">"direction"</span>; <span class="name">value</span>: <span class="string">"right"</span> } } <span class="comment">// Make y move with a velocity of 200</span> Behavior on <span class="name">y</span> { <span class="type"><a href="qml-qtquick-springanimation.html">SpringAnimation</a></span>{ <span class="name">velocity</span>: <span class="number">200</span>; } } <span class="name">Component</span>.onCompleted: <span class="name">y</span> <span class="operator">=</span> <span class="name">page</span>.<span class="name">height</span><span class="operator">-</span><span class="number">10</span>; <span class="comment">// start the ball motion</span> <span class="comment">// Detect the ball hitting the top or bottom of the view and bounce it</span> <span class="name">onYChanged</span>: { <span class="keyword">if</span> (<span class="name">y</span> <span class="operator"><=</span> <span class="number">0</span>) { <span class="name">y</span> <span class="operator">=</span> <span class="name">page</span>.<span class="name">height</span> <span class="operator">-</span> <span class="number">20</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">y</span> <span class="operator">>=</span> <span class="name">page</span>.<span class="name">height</span> <span class="operator">-</span> <span class="number">20</span>) { <span class="name">y</span> <span class="operator">=</span> <span class="number">0</span>; } } } <span class="comment">// Place bats to the left and right of the view, following the y</span> <span class="comment">// coordinates of the ball.</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">leftBat</span> <span class="name">color</span>: <span class="string">"#328930"</span> <span class="name">x</span>: <span class="number">2</span>; <span class="name">width</span>: <span class="number">20</span>; <span class="name">height</span>: <span class="number">90</span> <span class="comment">// ![0]</span> <span class="name">y</span>: <span class="name">ball</span>.<span class="name">direction</span> <span class="operator">==</span> <span class="string">'left'</span> ? <span class="name">ball</span>.<span class="name">y</span> <span class="operator">-</span> <span class="number">45</span> : <span class="name">page</span>.<span class="name">height</span><span class="operator">/</span><span class="number">2</span> <span class="operator">-</span><span class="number">45</span>; Behavior on <span class="name">y</span> { <span class="type"><a href="qml-qtquick-springanimation.html">SpringAnimation</a></span>{ <span class="name">velocity</span>: <span class="number">300</span> } } <span class="comment">// ![0]</span> } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">rightBat</span> <span class="name">color</span>: <span class="string">"#328930"</span> <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span> <span class="operator">-</span> <span class="number">22</span>; <span class="name">width</span>: <span class="number">20</span>; <span class="name">height</span>: <span class="number">90</span> <span class="name">y</span>: <span class="name">ball</span>.<span class="name">direction</span> <span class="operator">==</span> <span class="string">'right'</span> ? <span class="name">ball</span>.<span class="name">y</span> <span class="operator">-</span> <span class="number">45</span> : <span class="name">page</span>.<span class="name">height</span><span class="operator">/</span><span class="number">2</span> <span class="operator">-</span><span class="number">45</span>; Behavior on <span class="name">y</span> { <span class="type"><a href="qml-qtquick-springanimation.html">SpringAnimation</a></span>{ <span class="name">velocity</span>: <span class="number">300</span> } } } <span class="comment">// The rest, to make it look realistic, if neither ever scores...</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#328930"</span>; <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span><span class="operator">-</span><span class="number">80</span>; <span class="name">y</span>: <span class="number">0</span>; <span class="name">width</span>: <span class="number">40</span>; <span class="name">height</span>: <span class="number">60</span> } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#1e1b18"</span>; <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span><span class="operator">-</span><span class="number">70</span>; <span class="name">y</span>: <span class="number">10</span>; <span class="name">width</span>: <span class="number">20</span>; <span class="name">height</span>: <span class="number">40</span> } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#328930"</span>; <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span><span class="operator">+</span><span class="number">40</span>; <span class="name">y</span>: <span class="number">0</span>; <span class="name">width</span>: <span class="number">40</span>; <span class="name">height</span>: <span class="number">60</span> } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#1e1b18"</span>; <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span><span class="operator">+</span><span class="number">50</span>; <span class="name">y</span>: <span class="number">10</span>; <span class="name">width</span>: <span class="number">20</span>; <span class="name">height</span>: <span class="number">40</span> } <span class="type"><a href="qml-qtquick-repeater.html">Repeater</a></span> { <span class="name">model</span>: <span class="name">page</span>.<span class="name">height</span> <span class="operator">/</span> <span class="number">20</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">color</span>: <span class="string">"#328930"</span>; <span class="name">x</span>: <span class="name">page</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span><span class="operator">-</span><span class="number">5</span>; <span class="name">y</span>: <span class="name">index</span> <span class="operator">*</span> <span class="number">20</span>; <span class="name">width</span>: <span class="number">10</span>; <span class="name">height</span>: <span class="number">10</span> } } } </pre> </div> <!-- @@@animation/behaviors/tvtennis.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. 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>