GameTut/enemy.cpp

#include "enemy.h"
#include <QTimer>
#include <QGraphicsScene>
#include <stdlib.h>
#include "game.h"
#include "health.h"

extern Game* game;

Enemy::Enemy(QGraphicsItem *parent): QObject(), QGraphicsPixmapItem(parent)
{
    int random_number = rand() % 700;
    setPos(random_number,0);
    //setRect(0,0,100,100);
    setPixmap(QPixmap(":/images/enemy.png"));

    QTimer* timer = new QTimer();
    connect(timer, SIGNAL(timeout()), this, SLOT(move()));
    timer->start(50);
}


void Enemy::move()
{
    this->setPos(x(), y()+5);
    if(pos().y()  > 600) {
        game->health->decrease();
        scene()->removeItem(this);
        delete this;
        //qDebug() << "bullet deleted";
    }
}