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50
51 //Own
52 #include "bomb.h"
53 #include "submarine.h"
54 #include "animationmanager.h"
55 #include "qanimationstate.h"
56
57 //Qt
58 #include <QFinalState>
59 #include <QPropertyAnimation>
60 #include <QSequentialAnimationGroup>
61 #include <QStateMachine>
62
Bomb()63 Bomb::Bomb() : PixmapItem(QString("bomb"), GraphicsScene::Big)
64 {
65 setZValue(2);
66 }
67
launch(Bomb::Direction direction)68 void Bomb::launch(Bomb::Direction direction)
69 {
70 QSequentialAnimationGroup *launchAnimation = new QSequentialAnimationGroup;
71 AnimationManager::self()->registerAnimation(launchAnimation);
72 qreal delta = direction == Right ? 20 : - 20;
73 QPropertyAnimation *anim = new QPropertyAnimation(this, "pos");
74 anim->setEndValue(QPointF(x() + delta,y() - 20));
75 anim->setDuration(150);
76 launchAnimation->addAnimation(anim);
77 anim = new QPropertyAnimation(this, "pos");
78 anim->setEndValue(QPointF(x() + delta*2, y() ));
79 anim->setDuration(150);
80 launchAnimation->addAnimation(anim);
81 anim = new QPropertyAnimation(this, "pos");
82 anim->setEndValue(QPointF(x() + delta*2,scene()->height()));
83 anim->setDuration(y()/2*60);
84 launchAnimation->addAnimation(anim);
85 connect(anim, &QVariantAnimation::valueChanged, this, &Bomb::onAnimationLaunchValueChanged);
86 connect(this, &Bomb::bombExploded, launchAnimation, &QAbstractAnimation::stop);
87 //We setup the state machine of the bomb
88 QStateMachine *machine = new QStateMachine(this);
89
90 //This state is when the launch animation is playing
91 QAnimationState *launched = new QAnimationState(machine);
92 launched->setAnimation(launchAnimation);
93
94 //End
95 QFinalState *finalState = new QFinalState(machine);
96
97 machine->setInitialState(launched);
98
99 //### Add a nice animation when the bomb is destroyed
100 launched->addTransition(this, &Bomb::bombExploded, finalState);
101
102 //If the animation is finished, then we move to the final state
103 launched->addTransition(launched, &QAnimationState::animationFinished, finalState);
104
105 //The machine has finished to be executed, then the boat is dead
106 connect(machine,&QState::finished, this, &Bomb::bombExecutionFinished);
107
108 machine->start();
109
110 }
111
onAnimationLaunchValueChanged(const QVariant &)112 void Bomb::onAnimationLaunchValueChanged(const QVariant &)
113 {
114 const QList<QGraphicsItem *> colItems =
115 collidingItems(Qt::IntersectsItemBoundingRect);
116 for (QGraphicsItem *item : colItems) {
117 if (item->type() == SubMarine::Type) {
118 SubMarine *s = static_cast<SubMarine *>(item);
119 destroy();
120 s->destroy();
121 }
122 }
123 }
124
destroy()125 void Bomb::destroy()
126 {
127 emit bombExploded();
128 }
129