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#ifndef WINTER_H
#define WINTER_H
#include <QObject>
#include <QGraphicsItem>
#include <QTimer>
#include <QRectF>
class QGraphicsView;
class QGraphicsScene;
class SnowFlake:public QGraphicsItem
{
public:
SnowFlake(QGraphicsScene *scene);
~SnowFlake();
QRectF boundingRect() const;
void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*);
void animate();
void blow(const QPointF &v);
private:
int size;
QList <QGraphicsLineItem*> lines;
QPointF dv;
QPointF dblow;
qreal da;
};
class Winter:public QObject {
Q_OBJECT
public:
Winter(QGraphicsView *view);
~Winter();
void updateView();
void setObstacles(QList <QRectF> obslist);
public slots:
void animate();
void makeSnow();
private:
QGraphicsView *view;
QList <SnowFlake*> fallingSnow;
QList <SnowFlake*> frozenSnow;
int maxFlakes;
QTimer *animTimer;
QTimer *snowTimer;
QList <QRectF> obstacles;
int maxFalling;
int maxUnfreeze;
//QGraphicsLineItem *test;
QRectF viewRect;
};
#endif
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