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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">graphicsscene.cpp Example File</h1> <span class="small-subtitle">demos/sub-attaq/graphicsscene.cpp</span> <!-- $$$demos/sub-attaq/graphicsscene.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="comment">//Own</span> <span class="preprocessor">#include "graphicsscene.h"</span> <span class="preprocessor">#include "states.h"</span> <span class="preprocessor">#include "boat.h"</span> <span class="preprocessor">#include "submarine.h"</span> <span class="preprocessor">#include "torpedo.h"</span> <span class="preprocessor">#include "bomb.h"</span> <span class="preprocessor">#include "pixmapitem.h"</span> <span class="preprocessor">#include "animationmanager.h"</span> <span class="preprocessor">#include "qanimationstate.h"</span> <span class="preprocessor">#include "progressitem.h"</span> <span class="preprocessor">#include "textinformationitem.h"</span> <span class="comment">//Qt</span> <span class="preprocessor">#include <QtCore/QPropertyAnimation></span> <span class="preprocessor">#include <QtCore/QSequentialAnimationGroup></span> <span class="preprocessor">#include <QtCore/QParallelAnimationGroup></span> <span class="preprocessor">#include <QtCore/QStateMachine></span> <span class="preprocessor">#include <QtCore/QFinalState></span> <span class="preprocessor">#include <QtCore/QPauseAnimation></span> <span class="preprocessor">#include <QtGui/QAction></span> <span class="preprocessor">#include <QtCore/QDir></span> <span class="preprocessor">#include <QtGui/QApplication></span> <span class="preprocessor">#include <QtGui/QMessageBox></span> <span class="preprocessor">#include <QtGui/QGraphicsView></span> <span class="preprocessor">#include <QtGui/QGraphicsSceneMouseEvent></span> <span class="preprocessor">#include <QtCore/QXmlStreamReader></span> GraphicsScene<span class="operator">::</span>GraphicsScene(<span class="type">int</span> x<span class="operator">,</span> <span class="type">int</span> y<span class="operator">,</span> <span class="type">int</span> width<span class="operator">,</span> <span class="type">int</span> height<span class="operator">,</span> Mode mode) : <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span>(x <span class="operator">,</span> y<span class="operator">,</span> width<span class="operator">,</span> height)<span class="operator">,</span> mode(mode)<span class="operator">,</span> boat(<span class="keyword">new</span> Boat) { PixmapItem <span class="operator">*</span>backgroundItem <span class="operator">=</span> <span class="keyword">new</span> PixmapItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"background"</span>)<span class="operator">,</span>mode); backgroundItem<span class="operator">-</span><span class="operator">></span>setZValue(<span class="number">1</span>); backgroundItem<span class="operator">-</span><span class="operator">></span>setPos(<span class="number">0</span><span class="operator">,</span><span class="number">0</span>); addItem(backgroundItem); PixmapItem <span class="operator">*</span>surfaceItem <span class="operator">=</span> <span class="keyword">new</span> PixmapItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"surface"</span>)<span class="operator">,</span>mode); surfaceItem<span class="operator">-</span><span class="operator">></span>setZValue(<span class="number">3</span>); surfaceItem<span class="operator">-</span><span class="operator">></span>setPos(<span class="number">0</span><span class="operator">,</span>sealLevel() <span class="operator">-</span> surfaceItem<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()<span class="operator">/</span><span class="number">2</span>); addItem(surfaceItem); <span class="comment">//The item that display score and level</span> progressItem <span class="operator">=</span> <span class="keyword">new</span> ProgressItem(backgroundItem); textInformationItem <span class="operator">=</span> <span class="keyword">new</span> TextInformationItem(backgroundItem); textInformationItem<span class="operator">-</span><span class="operator">></span>hide(); <span class="comment">//We create the boat</span> addItem(boat); boat<span class="operator">-</span><span class="operator">></span>setPos(<span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>width()<span class="operator">/</span><span class="number">2</span><span class="operator">,</span> sealLevel() <span class="operator">-</span> boat<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>height()); boat<span class="operator">-</span><span class="operator">></span>hide(); <span class="comment">//parse the xml that contain all data of the game</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span> reader; <span class="type"><a href="qfile.html">QFile</a></span> file(<span class="string">":data.xml"</span>); file<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>ReadOnly); reader<span class="operator">.</span>setDevice(<span class="operator">&</span>file); LevelDescription currentLevel; <span class="keyword">while</span> (<span class="operator">!</span>reader<span class="operator">.</span>atEnd()) { reader<span class="operator">.</span>readNext(); <span class="keyword">if</span> (reader<span class="operator">.</span>tokenType() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">::</span>StartElement) { <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"submarine"</span>) { SubmarineDescription desc; desc<span class="operator">.</span>name <span class="operator">=</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"name"</span>)<span class="operator">.</span>toString(); desc<span class="operator">.</span>points <span class="operator">=</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"points"</span>)<span class="operator">.</span>toString()<span class="operator">.</span>toInt(); desc<span class="operator">.</span>type <span class="operator">=</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"type"</span>)<span class="operator">.</span>toString()<span class="operator">.</span>toInt(); submarinesData<span class="operator">.</span>append(desc); } <span class="keyword">else</span> <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"level"</span>) { currentLevel<span class="operator">.</span>id <span class="operator">=</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"id"</span>)<span class="operator">.</span>toString()<span class="operator">.</span>toInt(); currentLevel<span class="operator">.</span>name <span class="operator">=</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"name"</span>)<span class="operator">.</span>toString(); } <span class="keyword">else</span> <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"subinstance"</span>) { currentLevel<span class="operator">.</span>submarines<span class="operator">.</span>append(<a href="qpair.html#qMakePair">qMakePair</a>(reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"type"</span>)<span class="operator">.</span>toString()<span class="operator">.</span>toInt()<span class="operator">,</span> reader<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"nb"</span>)<span class="operator">.</span>toString()<span class="operator">.</span>toInt())); } } <span class="keyword">else</span> <span class="keyword">if</span> (reader<span class="operator">.</span>tokenType() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">::</span>EndElement) { <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"level"</span>) { levelsData<span class="operator">.</span>insert(currentLevel<span class="operator">.</span>id<span class="operator">,</span> currentLevel); currentLevel<span class="operator">.</span>submarines<span class="operator">.</span>clear(); } } } } <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> GraphicsScene<span class="operator">::</span>sealLevel() <span class="keyword">const</span> { <span class="keyword">return</span> (mode <span class="operator">=</span><span class="operator">=</span> Big) <span class="operator">?</span> <span class="number">220</span> : <span class="number">160</span>; } <span class="type">void</span> GraphicsScene<span class="operator">::</span>setupScene(<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>newAction<span class="operator">,</span> <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>quitAction) { <span class="keyword">static</span> <span class="keyword">const</span> <span class="type">int</span> nLetters <span class="operator">=</span> <span class="number">10</span>; <span class="keyword">static</span> <span class="keyword">struct</span> { <span class="type">char</span> <span class="keyword">const</span> <span class="operator">*</span>pix; <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> initX<span class="operator">,</span> initY; <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> destX<span class="operator">,</span> destY; } logoData<span class="operator">[</span>nLetters<span class="operator">]</span> <span class="operator">=</span> { {<span class="string">"s"</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1000</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1000</span><span class="operator">,</span> <span class="number">300</span><span class="operator">,</span> <span class="number">150</span> }<span class="operator">,</span> {<span class="string">"u"</span><span class="operator">,</span> <span class="operator">-</span><span class="number">800</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1000</span><span class="operator">,</span> <span class="number">350</span><span class="operator">,</span> <span class="number">150</span> }<span class="operator">,</span> {<span class="string">"b"</span><span class="operator">,</span> <span class="operator">-</span><span class="number">600</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1000</span><span class="operator">,</span> <span class="number">400</span><span class="operator">,</span> <span class="number">120</span> }<span class="operator">,</span> {<span class="string">"dash"</span><span class="operator">,</span> <span class="operator">-</span><span class="number">400</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1000</span><span class="operator">,</span> <span class="number">460</span><span class="operator">,</span> <span class="number">150</span> }<span class="operator">,</span> {<span class="string">"a"</span><span class="operator">,</span> <span class="number">1000</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">350</span><span class="operator">,</span> <span class="number">250</span> }<span class="operator">,</span> {<span class="string">"t"</span><span class="operator">,</span> <span class="number">800</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">400</span><span class="operator">,</span> <span class="number">250</span> }<span class="operator">,</span> {<span class="string">"t2"</span><span class="operator">,</span> <span class="number">600</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">430</span><span class="operator">,</span> <span class="number">250</span> }<span class="operator">,</span> {<span class="string">"a2"</span><span class="operator">,</span> <span class="number">400</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">465</span><span class="operator">,</span> <span class="number">250</span> }<span class="operator">,</span> {<span class="string">"q"</span><span class="operator">,</span> <span class="number">200</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">510</span><span class="operator">,</span> <span class="number">250</span> }<span class="operator">,</span> {<span class="string">"excl"</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">2000</span><span class="operator">,</span> <span class="number">570</span><span class="operator">,</span> <span class="number">220</span> } }; <span class="type"><a href="qsequentialanimationgroup.html">QSequentialAnimationGroup</a></span> <span class="operator">*</span> lettersGroupMoving <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsequentialanimationgroup.html">QSequentialAnimationGroup</a></span>(<span class="keyword">this</span>); <span class="type"><a href="qparallelanimationgroup.html">QParallelAnimationGroup</a></span> <span class="operator">*</span> lettersGroupFading <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qparallelanimationgroup.html">QParallelAnimationGroup</a></span>(<span class="keyword">this</span>); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> nLetters; <span class="operator">+</span><span class="operator">+</span>i) { PixmapItem <span class="operator">*</span>logo <span class="operator">=</span> <span class="keyword">new</span> PixmapItem(QLatin1String(<span class="string">":/logo-"</span>) <span class="operator">+</span> logoData<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>pix<span class="operator">,</span> <span class="keyword">this</span>); logo<span class="operator">-</span><span class="operator">></span>setPos(logoData<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>initX<span class="operator">,</span> logoData<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>initY); logo<span class="operator">-</span><span class="operator">></span>setZValue(i <span class="operator">+</span> <span class="number">3</span>); <span class="comment">//creation of the animations for moving letters</span> <span class="type"><a href="qpropertyanimation.html">QPropertyAnimation</a></span> <span class="operator">*</span>moveAnim <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpropertyanimation.html">QPropertyAnimation</a></span>(logo<span class="operator">,</span> <span class="string">"pos"</span><span class="operator">,</span> lettersGroupMoving); moveAnim<span class="operator">-</span><span class="operator">></span>setEndValue(<span class="type"><a href="qpointf.html">QPointF</a></span>(logoData<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>destX<span class="operator">,</span> logoData<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>destY)); moveAnim<span class="operator">-</span><span class="operator">></span>setDuration(<span class="number">200</span>); moveAnim<span class="operator">-</span><span class="operator">></span>setEasingCurve(<span class="type"><a href="qeasingcurve.html">QEasingCurve</a></span><span class="operator">::</span>OutElastic); lettersGroupMoving<span class="operator">-</span><span class="operator">></span>addPause(<span class="number">50</span>); <span class="comment">//creation of the animations for fading out the letters</span> <span class="type"><a href="qpropertyanimation.html">QPropertyAnimation</a></span> <span class="operator">*</span>fadeAnim <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpropertyanimation.html">QPropertyAnimation</a></span>(logo<span class="operator">,</span> <span class="string">"opacity"</span><span class="operator">,</span> lettersGroupFading); fadeAnim<span class="operator">-</span><span class="operator">></span>setDuration(<span class="number">800</span>); fadeAnim<span class="operator">-</span><span class="operator">></span>setEndValue(<span class="number">0</span>); fadeAnim<span class="operator">-</span><span class="operator">></span>setEasingCurve(<span class="type"><a href="qeasingcurve.html">QEasingCurve</a></span><span class="operator">::</span>OutQuad); } <span class="type"><a href="qstatemachine.html">QStateMachine</a></span> <span class="operator">*</span>machine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qstatemachine.html">QStateMachine</a></span>(<span class="keyword">this</span>); <span class="comment">//This state is when the player is playing</span> PlayState <span class="operator">*</span>gameState <span class="operator">=</span> <span class="keyword">new</span> PlayState(<span class="keyword">this</span><span class="operator">,</span> machine); <span class="comment">//Final state</span> <span class="type"><a href="qfinalstate.html">QFinalState</a></span> <span class="operator">*</span>final <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qfinalstate.html">QFinalState</a></span>(machine); <span class="comment">//Animation when the player enter in the game</span> <span class="type">QAnimationState</span> <span class="operator">*</span>lettersMovingState <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QAnimationState</span>(machine); lettersMovingState<span class="operator">-</span><span class="operator">></span>setAnimation(lettersGroupMoving); <span class="comment">//Animation when the welcome screen disappear</span> <span class="type">QAnimationState</span> <span class="operator">*</span>lettersFadingState <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QAnimationState</span>(machine); lettersFadingState<span class="operator">-</span><span class="operator">></span>setAnimation(lettersGroupFading); <span class="comment">//if new game then we fade out the welcome screen and start playing</span> lettersMovingState<span class="operator">-</span><span class="operator">></span>addTransition(newAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> lettersFadingState); lettersFadingState<span class="operator">-</span><span class="operator">></span>addTransition(lettersFadingState<span class="operator">,</span> SIGNAL(animationFinished())<span class="operator">,</span> gameState); <span class="comment">//New Game is triggered then player start playing</span> gameState<span class="operator">-</span><span class="operator">></span>addTransition(newAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> gameState); <span class="comment">//Wanna quit, then connect to CTRL+Q</span> gameState<span class="operator">-</span><span class="operator">></span>addTransition(quitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> final); lettersMovingState<span class="operator">-</span><span class="operator">></span>addTransition(quitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> final); <span class="comment">//Welcome screen is the initial state</span> machine<span class="operator">-</span><span class="operator">></span>setInitialState(lettersMovingState); machine<span class="operator">-</span><span class="operator">></span>start(); <span class="comment">//We reach the final state, then we quit</span> connect(machine<span class="operator">,</span> SIGNAL(finished())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit())); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>addItem(Bomb <span class="operator">*</span>bomb) { bombs<span class="operator">.</span>insert(bomb); connect(bomb<span class="operator">,</span>SIGNAL(bombExecutionFinished())<span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span> SLOT(onBombExecutionFinished())); <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span><span class="operator">::</span>addItem(bomb); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>addItem(Torpedo <span class="operator">*</span>torpedo) { torpedos<span class="operator">.</span>insert(torpedo); connect(torpedo<span class="operator">,</span>SIGNAL(torpedoExecutionFinished())<span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span> SLOT(onTorpedoExecutionFinished())); <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span><span class="operator">::</span>addItem(torpedo); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>addItem(SubMarine <span class="operator">*</span>submarine) { submarines<span class="operator">.</span>insert(submarine); connect(submarine<span class="operator">,</span>SIGNAL(subMarineExecutionFinished())<span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span> SLOT(onSubMarineExecutionFinished())); <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span><span class="operator">::</span>addItem(submarine); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>addItem(<span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> <span class="operator">*</span>item) { <span class="type"><a href="qgraphicsscene.html">QGraphicsScene</a></span><span class="operator">::</span>addItem(item); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>onBombExecutionFinished() { Bomb <span class="operator">*</span>bomb <span class="operator">=</span> qobject_cast<span class="operator"><</span>Bomb <span class="operator">*</span><span class="operator">></span>(sender()); bombs<span class="operator">.</span>remove(bomb); bomb<span class="operator">-</span><span class="operator">></span>deleteLater(); <span class="keyword">if</span> (boat) boat<span class="operator">-</span><span class="operator">></span>setBombsLaunched(boat<span class="operator">-</span><span class="operator">></span>bombsLaunched() <span class="operator">-</span> <span class="number">1</span>); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>onTorpedoExecutionFinished() { Torpedo <span class="operator">*</span>torpedo <span class="operator">=</span> qobject_cast<span class="operator"><</span>Torpedo <span class="operator">*</span><span class="operator">></span>(sender()); torpedos<span class="operator">.</span>remove(torpedo); torpedo<span class="operator">-</span><span class="operator">></span>deleteLater(); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>onSubMarineExecutionFinished() { SubMarine <span class="operator">*</span>submarine <span class="operator">=</span> qobject_cast<span class="operator"><</span>SubMarine <span class="operator">*</span><span class="operator">></span>(sender()); submarines<span class="operator">.</span>remove(submarine); <span class="keyword">if</span> (submarines<span class="operator">.</span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) <span class="keyword">emit</span> allSubMarineDestroyed(submarine<span class="operator">-</span><span class="operator">></span>points()); <span class="keyword">else</span> <span class="keyword">emit</span> subMarineDestroyed(submarine<span class="operator">-</span><span class="operator">></span>points()); submarine<span class="operator">-</span><span class="operator">></span>deleteLater(); } <span class="type">void</span> GraphicsScene<span class="operator">::</span>clearScene() { foreach (SubMarine <span class="operator">*</span>sub<span class="operator">,</span> submarines) { sub<span class="operator">-</span><span class="operator">></span>destroy(); sub<span class="operator">-</span><span class="operator">></span>deleteLater(); } foreach (Torpedo <span class="operator">*</span>torpedo<span class="operator">,</span> torpedos) { torpedo<span class="operator">-</span><span class="operator">></span>destroy(); torpedo<span class="operator">-</span><span class="operator">></span>deleteLater(); } foreach (Bomb <span class="operator">*</span>bomb<span class="operator">,</span> bombs) { bomb<span class="operator">-</span><span class="operator">></span>destroy(); bomb<span class="operator">-</span><span class="operator">></span>deleteLater(); } submarines<span class="operator">.</span>clear(); bombs<span class="operator">.</span>clear(); torpedos<span class="operator">.</span>clear(); AnimationManager<span class="operator">::</span>self()<span class="operator">-</span><span class="operator">></span>unregisterAllAnimations(); boat<span class="operator">-</span><span class="operator">></span>stop(); boat<span class="operator">-</span><span class="operator">></span>hide(); boat<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); }</pre> </div> <!-- @@@demos/sub-attaq/graphicsscene.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> 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.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> 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. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>