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#include "Enemy.h"

#include <QTimer>

#include <QGraphicsScene>

#include <QList>

#include <stdlib.h> // rand() -> really large int

#include "Game.h"

extern Game * game;

Enemy::Enemy(QGraphicsItem *parent): QObject(), QGraphicsRectItem(parent){

//set random x position

int random_number = rand() % 700;

setPos(random_number,0);

// drew the rect

setRect(0,0,100,100);

// make/connect a timer to move() the enemy every so often

QTimer * timer = new QTimer(this);

connect(timer,SIGNAL(timeout()),this,SLOT(move()));

// start the timer

timer->start(50);

}

void Enemy::move(){

// move enemy down

setPos(x(),y()+5);

// destroy enemy when it goes out of the screen

if (pos().y() > 600){

//decrease the health

game->health->decrease();

scene()->removeItem(this);

delete this;

}