1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/****************************************************************************
**
** 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
#if defined(QT_EXPERIMENTAL_SOLUTION)
#include "qpropertyanimation.h"
#include "qsequentialanimationgroup.h"
#include "qstatemachine.h"
#include "qfinalstate.h"
#else
#include <QtCore/QSequentialAnimationGroup>
#include <QtCore/QPropertyAnimation>
#include <QtCore/QStateMachine>
#include <QtCore/QFinalState>
#endif
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();
}
|
