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Diffstat (limited to 'examples/animation/sub-attaq/bomb.cpp')
-rw-r--r-- | examples/animation/sub-attaq/bomb.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/examples/animation/sub-attaq/bomb.cpp b/examples/animation/sub-attaq/bomb.cpp new file mode 100644 index 0000000..f1f5324 --- /dev/null +++ b/examples/animation/sub-attaq/bomb.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//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(QGraphicsItem * parent, Qt::WindowFlags wFlags) + : QGraphicsWidget(parent,wFlags), launchAnimation(0) +{ + pixmapItem = new PixmapItem(QString("bomb"),GraphicsScene::Big, this); + setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); + setFlags(QGraphicsItem::ItemIsMovable); + setZValue(2); + resize(pixmapItem->boundingRect().size()); +} + +void Bomb::launch(Bomb::Direction direction) +{ + 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(const QVariant &)),this,SLOT(onAnimationLaunchValueChanged(const QVariant &))); + + //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->rootState()); + launched->setAnimation(launchAnimation); + + //End + QFinalState *final = new QFinalState(machine->rootState()); + + machine->setInitialState(launched); + + //### Add a nice animation when the bomb is destroyed + launched->addTransition(this, SIGNAL(bombExplosed()),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() +{ + launchAnimation->stop(); + emit bombExplosed(); +} |