ad38ece3c8
From Qt 5.7 -> examples are lisenced under BSD license, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new BSD header instead of LGPL21 one (in those files which will be under BSD) Change-Id: I3ad61caaf07802eb9da7d29eca3fe49d8a51b6a8 Reviewed-by: Frederik Gladhorn <frederik.gladhorn@theqtcompany.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:BSD$
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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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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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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