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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 QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "bomb.h"
+#include "submarine.h"
+#include "pixmapitem.h"
+#include "animationmanager.h"
+#include "qanimationstate.h"
+
+//Qt
+#include <QtCore/QSequentialAnimationGroup>
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QStateMachine>
+#include <QtCore/QFinalState>
+
+Bomb::Bomb() : PixmapItem(QString("bomb"), GraphicsScene::Big)
+{
+ setZValue(2);
+}
+
+void Bomb::launch(Bomb::Direction direction)
+{
+ QSequentialAnimationGroup *launchAnimation = new QSequentialAnimationGroup;
+ AnimationManager::self()->registerAnimation(launchAnimation);
+ qreal delta = direction == Right ? 20 : - 20;
+ QPropertyAnimation *anim = new QPropertyAnimation(this, "pos");
+ anim->setEndValue(QPointF(x() + delta,y() - 20));
+ anim->setDuration(150);
+ launchAnimation->addAnimation(anim);
+ anim = new QPropertyAnimation(this, "pos");
+ anim->setEndValue(QPointF(x() + delta*2, y() ));
+ anim->setDuration(150);
+ launchAnimation->addAnimation(anim);
+ anim = new QPropertyAnimation(this, "pos");
+ anim->setEndValue(QPointF(x() + delta*2,scene()->height()));
+ anim->setDuration(y()/2*60);
+ launchAnimation->addAnimation(anim);
+ connect(anim,SIGNAL(valueChanged(QVariant)),this,SLOT(onAnimationLaunchValueChanged(QVariant)));
+ connect(this, SIGNAL(bombExploded()), launchAnimation, SLOT(stop()));
+ //We setup the state machine of the bomb
+ QStateMachine *machine = new QStateMachine(this);
+
+ //This state is when the launch animation is playing
+ QAnimationState *launched = new QAnimationState(machine);
+ launched->setAnimation(launchAnimation);
+
+ //End
+ QFinalState *final = new QFinalState(machine);
+
+ machine->setInitialState(launched);
+
+ //### Add a nice animation when the bomb is destroyed
+ launched->addTransition(this, SIGNAL(bombExploded()),final);
+
+ //If the animation is finished, then we move to the final state
+ launched->addTransition(launched, SIGNAL(animationFinished()), final);
+
+ //The machine has finished to be executed, then the boat is dead
+ connect(machine,SIGNAL(finished()),this, SIGNAL(bombExecutionFinished()));
+
+ machine->start();
+
+}
+
+void Bomb::onAnimationLaunchValueChanged(const QVariant &)
+{
+ foreach (QGraphicsItem * item , collidingItems(Qt::IntersectsItemBoundingRect)) {
+ if (item->type() == SubMarine::Type) {
+ SubMarine *s = static_cast<SubMarine *>(item);
+ destroy();
+ s->destroy();
+ }
+ }
+}
+
+void Bomb::destroy()
+{
+ emit bombExploded();
+}