<?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>maze.qml Example File | Qt Sensors 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="qtsensors-index.html">Qt Sensors</a></td><td ><a href="qtsensors-maze-example.html">Qt Sensors - Maze QML Example</a></td><td >maze.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">maze.qml Example File</h1> <span class="subtitle">maze/maze.qml</span> <!-- $$$maze/maze.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 QtSensors module 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> <span class="comment">/* Layout mainWnd / ------------------------------/ gameRect | / |-----------------------------/ ||---------------------------| ||||M| || ||| \ || ||| mouseCtrl || ||| || ||| || ||| Labyrinth || ||| || ||| || ||| cheeseSquare || ||| \ || ||| |C||| ||---------------------------| |----------------------------- | |----------------------------- || || | |----------------------------- | \ \ | \ timePlayingLabel | newGameButton ------------------------------ */</span> <span class="comment">//Import the declarative plugins</span> import QtQuick 2.0 import "components" import QtSensors 5.0 <span class="comment">//Import the javascript functions for this game</span> import "lib.js" as Lib <span class="type">ApplicationWindow</span> { <span class="name">id</span>: <span class="name">mainWnd</span> property <span class="type">Mouse</span> <span class="name">mouseCtrl</span>; property <span class="type">LabyrinthSquare</span> <span class="name">cheeseSquare</span>; property <span class="type">Congratulation</span> <span class="name">congratulation</span>; <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">gameRect</span> <span class="name">x</span>: (<span class="name">mainWnd</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">width</span>) <span class="operator">/</span> <span class="number">2</span> <span class="name">y</span>: <span class="number">5</span> <span class="name">width</span>: <span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">*</span> <span class="name">Lib</span>.<span class="name">cellDimension</span> <span class="name">height</span>: <span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">*</span> <span class="name">Lib</span>.<span class="name">cellDimension</span> <span class="name">color</span>: <span class="string">"transparent"</span> <span class="name">border</span>.width: <span class="number">2</span> <span class="comment">//timer for starting the labyrinth game</span> <span class="type">Timer</span> { <span class="name">id</span>: <span class="name">startTimer</span> <span class="name">interval</span>: <span class="number">50</span>; <span class="name">running</span>: <span class="number">true</span>; <span class="name">repeat</span>: <span class="number">false</span> <span class="name">onTriggered</span>: { <span class="comment">//reset game time</span> <span class="name">timePlayingLabel</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">"--"</span>; <span class="name">Lib</span>.<span class="name">sec</span> <span class="operator">=</span> <span class="number">0.0</span>; <span class="name">Lib</span>.<span class="name">createLabyrinth</span>(); <span class="comment">//create labyrinth elements (only at the first time)</span> var <span class="name">needloadcomponent</span> = <span class="number">false</span>; <span class="keyword">if</span> (<span class="name">Lib</span>.<span class="name">objectArray</span> <span class="operator">===</span> <span class="number">null</span>) { <span class="name">needloadcomponent</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">Lib</span>.<span class="name">objectArray</span> <span class="operator">=</span> new <span class="name">Array</span>(<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">*</span> <span class="name">Lib</span>.<span class="name">dimension</span>); } var <span class="name">idx</span> = <span class="number">0</span>; <span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">y</span> = <span class="number">0</span>; <span class="name">y</span> <span class="operator"><</span> <span class="name">Lib</span>.<span class="name">dimension</span>; y++ ) { <span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">x</span> = <span class="number">0</span>; <span class="name">x</span> <span class="operator"><</span> <span class="name">Lib</span>.<span class="name">dimension</span>; x++ ) { var <span class="name">component</span> = <span class="number">null</span>; <span class="comment">//create labyrinth components (only at the first time)</span> <span class="keyword">if</span> (<span class="name">needloadcomponent</span>) { <span class="name">component</span> <span class="operator">=</span> <span class="name">Qt</span>.<span class="name">createComponent</span>(<span class="string">"LabyrinthSquare.qml"</span>); <span class="keyword">if</span> (<span class="name">component</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Component</span>.<span class="name">Ready</span>) { var <span class="name">square</span> = <span class="name">component</span>.<span class="name">createObject</span>(<span class="name">parent</span>); <span class="name">square</span>.<span class="name">x</span> <span class="operator">=</span> <span class="name">x</span> <span class="operator">*</span> <span class="name">square</span>.<span class="name">width</span>; <span class="name">square</span>.<span class="name">y</span> <span class="operator">=</span> <span class="name">y</span> <span class="operator">*</span> <span class="name">square</span>.<span class="name">height</span>; <span class="name">square</span>.<span class="name">val</span> <span class="operator">=</span> <span class="name">Lib</span>.<span class="name">labyrinth</span>[<span class="name">x</span>][<span class="name">y</span>]; <span class="name">square</span>.<span class="name">updateImage</span>(); <span class="name">Lib</span>.<span class="name">objectArray</span>[<span class="name">idx</span>] <span class="operator">=</span> <span class="name">square</span>; <span class="keyword">if</span> (<span class="name">x</span> <span class="operator">==</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>) <span class="operator">&&</span> <span class="name">y</span> <span class="operator">==</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>)) { <span class="name">cheeseSquare</span> <span class="operator">=</span> <span class="name">square</span>; var <span class="name">component1</span> = <span class="name">Qt</span>.<span class="name">createComponent</span>(<span class="string">"Congratulation.qml"</span>); <span class="keyword">if</span> (<span class="name">component1</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Component</span>.<span class="name">Ready</span>) { <span class="name">congratulation</span> <span class="operator">=</span> <span class="name">component1</span>.<span class="name">createObject</span>(<span class="name">parent</span>); <span class="name">congratulation</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span>; } } } } <span class="keyword">else</span>{ <span class="name">Lib</span>.<span class="name">objectArray</span>[<span class="name">idx</span>].<span class="name">val</span> <span class="operator">=</span> <span class="name">Lib</span>.<span class="name">labyrinth</span>[<span class="name">x</span>][<span class="name">y</span>]; <span class="name">Lib</span>.<span class="name">objectArray</span>[<span class="name">idx</span>].<span class="name">updateImage</span>(); <span class="keyword">if</span> (<span class="name">x</span> <span class="operator">==</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>) <span class="operator">&&</span> <span class="name">y</span> <span class="operator">==</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>)) { <span class="name">cheeseSquare</span> <span class="operator">=</span> <span class="name">Lib</span>.<span class="name">objectArray</span>[<span class="name">idx</span>]; <span class="name">congratulation</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span>; } } idx++; } } <span class="comment">//Lib.printLab(); //this is for debug. Labyrinth will be printed out in the console</span> <span class="comment">//Create the mouse control (only at the first time)</span> <span class="keyword">if</span> (<span class="name">mouseCtrl</span> <span class="operator">===</span> <span class="number">null</span>) { var <span class="name">component</span> = <span class="name">Qt</span>.<span class="name">createComponent</span>(<span class="string">"Mouse.qml"</span>); <span class="keyword">if</span> (<span class="name">component</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Component</span>.<span class="name">Ready</span>) { <span class="name">mouseCtrl</span> <span class="operator">=</span> <span class="name">component</span>.<span class="name">createObject</span>(<span class="name">parent</span>); } } <span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">=</span> <span class="number">0</span>; <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">=</span> <span class="number">0</span>; <span class="name">newGameButton</span>.<span class="name">enabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="comment">//Start the Tilt reader timer</span> <span class="name">tiltTimer</span>.<span class="name">running</span> <span class="operator">=</span> <span class="number">true</span>; } } } <span class="type"><a href="qml-qtsensors-tiltsensor.html">TiltSensor</a></span> { <span class="name">id</span>: <span class="name">tiltSensor</span> <span class="name">active</span>: <span class="number">true</span> } <span class="comment">//Timer to read out the x and y rotation of the TiltSensor</span> <span class="type">Timer</span> { <span class="name">id</span>: <span class="name">tiltTimer</span> <span class="name">interval</span>: <span class="number">50</span>; <span class="name">running</span>: <span class="number">false</span>; <span class="name">repeat</span>: <span class="number">true</span> <span class="name">onTriggered</span>: { <span class="keyword">if</span> (!<span class="name">tiltSensor</span>.<span class="name">enabled</span>) <span class="name">tiltSensor</span>.<span class="name">active</span> <span class="operator">=</span> <span class="number">true</span>; <span class="keyword">if</span> (<span class="name">mouseCtrl</span> <span class="operator">===</span> <span class="number">null</span>) <span class="keyword">return</span>; <span class="comment">//check if already solved</span> <span class="keyword">if</span> (<span class="name">Lib</span>.<span class="name">won</span> <span class="operator">!==</span> <span class="number">true</span>) { <span class="name">Lib</span>.<span class="name">sec</span> <span class="operator">+=</span> <span class="number">0.05</span>; <span class="name">timePlayingLabel</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">Lib</span>.<span class="name">sec</span>) <span class="operator">+</span> <span class="string">" seconds"</span>; <span class="comment">//check if we can move the mouse</span> var <span class="name">xval</span> = -<span class="number">1</span>; var <span class="name">yval</span> = -<span class="number">1</span>; var <span class="name">xstep</span> = <span class="number">0</span>; <span class="name">xstep</span> <span class="operator">=</span> <span class="name">tiltSensor</span>.<span class="name">reading</span>.<span class="name">yRotation</span> <span class="operator">*</span> <span class="number">0.1</span> <span class="comment">//acceleration</span> var <span class="name">ystep</span> = <span class="number">0</span>; <span class="name">ystep</span> <span class="operator">=</span> <span class="name">tiltSensor</span>.<span class="name">reading</span>.<span class="name">xRotation</span> <span class="operator">*</span> <span class="number">0.1</span> <span class="comment">//acceleration</span> <span class="keyword">if</span> (<span class="name">xstep</span> <span class="operator"><</span> <span class="number">1</span> <span class="operator">&&</span> <span class="name">xstep</span> <span class="operator">></span> <span class="number">0</span>) <span class="name">xstep</span> <span class="operator">=</span> <span class="number">0</span> <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">xstep</span> <span class="operator">></span> -<span class="number">1</span> <span class="operator">&&</span> <span class="name">xstep</span> <span class="operator"><</span> <span class="number">0</span>) <span class="name">xstep</span> <span class="operator">=</span> <span class="number">0</span> <span class="keyword">if</span> (<span class="name">ystep</span> <span class="operator"><</span> <span class="number">1</span> <span class="operator">&&</span> <span class="name">ystep</span> <span class="operator">></span> <span class="number">0</span>) <span class="name">ystep</span> <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">ystep</span> <span class="operator">></span> -<span class="number">1</span> <span class="operator">&&</span> <span class="name">ystep</span> <span class="operator"><</span> <span class="number">0</span>) <span class="name">ystep</span> <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">if</span> ((<span class="name">xstep</span> <span class="operator"><</span> <span class="number">0</span> <span class="operator">&&</span> <span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">></span> <span class="number">0</span> <span class="operator">&&</span> <span class="name">Lib</span>.<span class="name">canMove</span>(<span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">+</span> <span class="name">xstep</span>,<span class="name">mouseCtrl</span>.<span class="name">y</span>))) { <span class="name">xval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">+</span> <span class="name">xstep</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">xstep</span> <span class="operator">></span> <span class="number">0</span> <span class="operator">&&</span> <span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator"><</span> (<span class="name">Lib</span>.<span class="name">cellDimension</span> <span class="operator">*</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>)) <span class="operator">&&</span> <span class="name">Lib</span>.<span class="name">canMove</span>(<span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">+</span> <span class="name">xstep</span>,<span class="name">mouseCtrl</span>.<span class="name">y</span>)) { <span class="name">xval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">x</span> <span class="operator">+</span> <span class="name">xstep</span>; } <span class="keyword">else</span> <span class="name">xval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">x</span>; <span class="keyword">if</span> (<span class="name">ystep</span> <span class="operator"><</span> <span class="number">0</span> <span class="operator">&&</span> <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">></span> <span class="number">0</span> <span class="operator">&&</span> <span class="name">Lib</span>.<span class="name">canMove</span>(<span class="name">mouseCtrl</span>.<span class="name">x</span>, <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">+</span> <span class="name">ystep</span>)) { <span class="name">yval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">+</span> <span class="name">ystep</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">ystep</span> <span class="operator">></span> <span class="number">0</span> <span class="operator">&&</span> (<span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator"><</span> (<span class="name">Lib</span>.<span class="name">cellDimension</span> <span class="operator">*</span> (<span class="name">Lib</span>.<span class="name">dimension</span> <span class="operator">-</span> <span class="number">1</span>))) <span class="operator">&&</span> <span class="name">Lib</span>.<span class="name">canMove</span>(<span class="name">mouseCtrl</span>.<span class="name">x</span>, <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">+</span> <span class="name">ystep</span>)) { <span class="name">yval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="operator">+</span> <span class="name">ystep</span>; } <span class="keyword">else</span> <span class="name">yval</span> <span class="operator">=</span> <span class="name">mouseCtrl</span>.<span class="name">y</span> <span class="name">mouseCtrl</span>.<span class="name">move</span>(<span class="name">xval</span>, <span class="name">yval</span>); } <span class="keyword">else</span> { <span class="comment">//game won, stop the tilt meter</span> <span class="name">mainWnd</span>.<span class="name">cheeseSquare</span>.<span class="name">val</span> <span class="operator">=</span> <span class="number">4</span>; <span class="name">mainWnd</span>.<span class="name">cheeseSquare</span>.<span class="name">updateImage</span>(); <span class="name">mainWnd</span>.<span class="name">congratulation</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">newGameButton</span>.<span class="name">enabled</span> <span class="operator">=</span> <span class="number">true</span>; <span class="name">tiltTimer</span>.<span class="name">running</span> <span class="operator">=</span> <span class="number">false</span>; } } } <span class="comment">//Button to start a new Game</span> <span class="type">Button</span>{ <span class="name">id</span>: <span class="name">newGameButton</span> <span class="name">anchors</span>.left: <span class="name">gameRect</span>.<span class="name">left</span> <span class="name">anchors</span>.top: <span class="name">gameRect</span>.<span class="name">bottom</span> <span class="name">anchors</span>.topMargin: <span class="number">5</span> <span class="name">height</span>: <span class="number">30</span> <span class="name">width</span>: <span class="number">100</span> <span class="name">text</span>: <span class="string">"new game"</span> <span class="name">enabled</span>: <span class="number">false</span>; <span class="name">onClicked</span>: { <span class="name">newGameButton</span>.<span class="name">enabled</span> <span class="operator">=</span> <span class="number">false</span>; <span class="name">startTimer</span>.<span class="name">start</span>(); } } <span class="type">Button</span>{ <span class="name">id</span>: <span class="name">calibrateButton</span> <span class="name">anchors</span>.left: <span class="name">gameRect</span>.<span class="name">left</span> <span class="name">anchors</span>.top: <span class="name">newGameButton</span>.<span class="name">bottom</span> <span class="name">anchors</span>.topMargin: <span class="number">5</span> <span class="name">height</span>: <span class="number">30</span> <span class="name">width</span>: <span class="number">100</span> <span class="name">text</span>: <span class="string">"calibrate"</span> <span class="name">onClicked</span>: { <span class="name">tiltSensor</span>.<span class="name">calibrate</span>(); } } <span class="comment">//Label to print out the game time</span> <span class="type">Text</span>{ <span class="name">id</span>: <span class="name">timePlayingLabel</span> <span class="name">anchors</span>.right: <span class="name">gameRect</span>.<span class="name">right</span> <span class="name">anchors</span>.top: <span class="name">gameRect</span>.<span class="name">bottom</span> <span class="name">anchors</span>.topMargin: <span class="number">5</span> } } </pre> </div> <!-- @@@maze/maze.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>