Oprea

Enemy

---

#ifndef ENEMY_H
#define ENEMY_H

#include<QObject>
#include<QGraphicsRectItem>

class Enemy: public QObject, public QGraphicsRectItem
{
Q_OBJECT
public:
Enemy();
public slots:
void amove();
};

#endif // ENEMY_H

 

#include "enemy.h"
#include<QTimer>
#include<QGraphicsScene>
#include<QList>
#include<stdlib.h>

Enemy::Enemy(){
//set random position
int random_number = rand() % 700;
setPos(random_number,0);
setRect(10, 0, 100, 100);
//connect
QTimer * timer= new QTimer();
connect(timer, SIGNAL(timeout()), this, SLOT(amove()));
timer->start(50);
}

void Enemy::amove()
{
setPos(x(),y()+5);
if(pos().y()+rect().height() > 600){
scene()->removeItem(this);
delete this;
}
}