submarine_p.h Example File

animation/sub-attaq/submarine_p.h
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#ifndef SUBMARINE_P_H #define SUBMARINE_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // //Own #include "animationmanager.h" #include "submarine.h" #include "qanimationstate.h" //Qt #include <QtCore/QPropertyAnimation> #include <QtWidgets/QGraphicsScene> //This state is describing when the boat is moving right class MovementState : public QAnimationState { Q_OBJECT public: explicit MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent) { movementAnimation = new QPropertyAnimation(submarine, "pos"); connect(movementAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationMovementValueChanged(const QVariant &))); setAnimation(movementAnimation); AnimationManager::self()->registerAnimation(movementAnimation); this->submarine = submarine; } protected slots: void onAnimationMovementValueChanged(const QVariant &) { if (qrand() % 200 + 1 == 3) submarine->launchTorpedo(qrand() % 3 + 1); } protected: void onEntry(QEvent *e) override { if (submarine->currentDirection() == SubMarine::Left) { movementAnimation->setEndValue(QPointF(0,submarine->y())); movementAnimation->setDuration(submarine->x()/submarine->currentSpeed()*12); } else /*if (submarine->currentDirection() == SubMarine::Right)*/ { movementAnimation->setEndValue(QPointF(submarine->scene()->width()-submarine->size().width(),submarine->y())); movementAnimation->setDuration((submarine->scene()->width()-submarine->size().width()-submarine->x())/submarine->currentSpeed()*12); } QAnimationState::onEntry(e); } private: SubMarine *submarine; QPropertyAnimation *movementAnimation; }; //This state is describing when the boat is moving right class ReturnState : public QAnimationState { public: explicit ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent) { returnAnimation = new QPropertyAnimation(submarine->rotation(), "angle"); returnAnimation->setDuration(500); AnimationManager::self()->registerAnimation(returnAnimation); setAnimation(returnAnimation); this->submarine = submarine; } protected: void onEntry(QEvent *e) override { returnAnimation->stop(); returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.); QAnimationState::onEntry(e); } void onExit(QEvent *e) override { submarine->currentDirection() == SubMarine::Right ? submarine->setCurrentDirection(SubMarine::Left) : submarine->setCurrentDirection(SubMarine::Right); QAnimationState::onExit(e); } private: SubMarine *submarine; QPropertyAnimation *returnAnimation; }; #endif // SUBMARINE_P_H