H_Ennemy.cpp

#include "h_ennemy.h"

H_Ennemy::H_Ennemy() {
    setRect(0, 0, 50, 10);
    collisionList = collidingItems();

    QTimer * ennemyTimer = new QTimer();
    connect(ennemyTimer, SIGNAL(timeout()), this, SLOT(move()));
    ennemyTimer->start(10);   //timeout shorter because I update the list in the move slot
}

void H_Ennemy::move() {
    setPos(x(), y() + 1); //move less on each call because the method is being called more frequently
    if(y() > scene()->height() - rect().height()) { //remove when leaving the view
        scene()->removeItem(this);
        delete this;
        return;
    }

    collisionList = collidingItems();    //I update the list here
    for(qint64 i = 0; i < collisionList.size(); i++) {
        if(typeid(*(collisionList[i])) == typeid(H_Bullet)) {//if ennemy touches bullet, remove both bullet and ennemy
            emit ((H_Bullet*)collisionList[i])->touched();

            scene()->removeItem(collisionList[i]);
            scene()->removeItem(this);

            delete collisionList[i];
            collisionList.clear();
            delete this;
        } else if(typeid(*(collisionList[i])) == typeid(H_Player)) {//if ennemy touches player, remove ennemy
            scene()->removeItem(this);

            collisionList.clear();
            delete this;
        }
    }
 }