38be0d1383
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138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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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, Nokia gives you certain additional
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** rights. These rights are described in the Nokia 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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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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#ifndef SUBMARINE_P_H
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#define SUBMARINE_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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//Own
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#include "animationmanager.h"
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#include "submarine.h"
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#include "qanimationstate.h"
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//Qt
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#include <QtCore/QPropertyAnimation>
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#include <QtGui/QGraphicsScene>
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//This state is describing when the boat is moving right
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class MovementState : public QAnimationState
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{
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Q_OBJECT
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public:
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MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
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{
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movementAnimation = new QPropertyAnimation(submarine, "pos");
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connect(movementAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationMovementValueChanged(const QVariant &)));
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setAnimation(movementAnimation);
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AnimationManager::self()->registerAnimation(movementAnimation);
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this->submarine = submarine;
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}
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protected slots:
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void onAnimationMovementValueChanged(const QVariant &)
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{
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if (qrand() % 200 + 1 == 3)
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submarine->launchTorpedo(qrand() % 3 + 1);
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}
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protected:
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void onEntry(QEvent *e)
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{
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if (submarine->currentDirection() == SubMarine::Left) {
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movementAnimation->setEndValue(QPointF(0,submarine->y()));
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movementAnimation->setDuration(submarine->x()/submarine->currentSpeed()*12);
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}
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else /*if (submarine->currentDirection() == SubMarine::Right)*/ {
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movementAnimation->setEndValue(QPointF(submarine->scene()->width()-submarine->size().width(),submarine->y()));
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movementAnimation->setDuration((submarine->scene()->width()-submarine->size().width()-submarine->x())/submarine->currentSpeed()*12);
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}
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QAnimationState::onEntry(e);
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}
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private:
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SubMarine *submarine;
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QPropertyAnimation *movementAnimation;
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};
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//This state is describing when the boat is moving right
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class ReturnState : public QAnimationState
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{
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public:
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ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
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{
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returnAnimation = new QPropertyAnimation(submarine->rotation(), "angle");
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returnAnimation->setDuration(500);
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AnimationManager::self()->registerAnimation(returnAnimation);
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setAnimation(returnAnimation);
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this->submarine = submarine;
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}
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protected:
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void onEntry(QEvent *e)
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{
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returnAnimation->stop();
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returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.);
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QAnimationState::onEntry(e);
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}
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void onExit(QEvent *e)
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{
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submarine->currentDirection() == SubMarine::Right ? submarine->setCurrentDirection(SubMarine::Left) : submarine->setCurrentDirection(SubMarine::Right);
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QAnimationState::onExit(e);
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}
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private:
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SubMarine *submarine;
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QPropertyAnimation *returnAnimation;
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};
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#endif // SUBMARINE_P_H
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