be15856f61
Change copyrights and license headers from Nokia to Digia Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//Own
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#include "torpedo.h"
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#include "pixmapitem.h"
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#include "boat.h"
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#include "graphicsscene.h"
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#include "animationmanager.h"
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#include "qanimationstate.h"
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#include <QtCore/QPropertyAnimation>
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#include <QtCore/QStateMachine>
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#include <QtCore/QFinalState>
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Torpedo::Torpedo() : PixmapItem(QString::fromLatin1("torpedo"),GraphicsScene::Big),
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currentSpeed(0)
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{
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setZValue(2);
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}
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void Torpedo::launch()
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{
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QPropertyAnimation *launchAnimation = new QPropertyAnimation(this, "pos");
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AnimationManager::self()->registerAnimation(launchAnimation);
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launchAnimation->setEndValue(QPointF(x(),qobject_cast<GraphicsScene *>(scene())->sealLevel() - 15));
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launchAnimation->setEasingCurve(QEasingCurve::InQuad);
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launchAnimation->setDuration(y()/currentSpeed*10);
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connect(launchAnimation,SIGNAL(valueChanged(QVariant)),this,SLOT(onAnimationLaunchValueChanged(QVariant)));
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connect(this,SIGNAL(torpedoExploded()), launchAnimation, SLOT(stop()));
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//We setup the state machine of the torpedo
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QStateMachine *machine = new QStateMachine(this);
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//This state is when the launch animation is playing
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QAnimationState *launched = new QAnimationState(machine);
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launched->setAnimation(launchAnimation);
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//End
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QFinalState *final = new QFinalState(machine);
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machine->setInitialState(launched);
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//### Add a nice animation when the torpedo is destroyed
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launched->addTransition(this, SIGNAL(torpedoExploded()),final);
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//If the animation is finished, then we move to the final state
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launched->addTransition(launched, SIGNAL(animationFinished()), final);
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//The machine has finished to be executed, then the boat is dead
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connect(machine,SIGNAL(finished()),this, SIGNAL(torpedoExecutionFinished()));
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machine->start();
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}
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void Torpedo::setCurrentSpeed(int speed)
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{
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if (speed < 0) {
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qWarning("Torpedo::setCurrentSpeed : The speed is invalid");
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return;
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}
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currentSpeed = speed;
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}
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void Torpedo::onAnimationLaunchValueChanged(const QVariant &)
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{
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foreach (QGraphicsItem *item , collidingItems(Qt::IntersectsItemBoundingRect)) {
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if (Boat *b = qgraphicsitem_cast<Boat*>(item))
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b->destroy();
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}
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}
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void Torpedo::destroy()
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{
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emit torpedoExploded();
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}
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