#include "tower.h"
#include <QPixmap>
#include <QVector>
#include <QPointF>

Tower::Tower(QGraphicsItem *parent) {
    setPixmap(QPixmap(":/images/tower.png"));

    // create points vectors
    QVector<QPointF> points;
    points << QPoint(1,0) << QPoint(2,0) << QPoint(3,1) << QPoint(3,2) << QPoint(2,3) << QPoint(1,3) << QPoint(0,2) << QPoint(0,1);

    // scale points
    int SCALE_FACTOR = 70;
    for (size_t i = 0, n = points.size(); i <n; i++) {
        points[i] *= SCALE_FACTOR;
    }

    // create a polygon from these points
    QPolygonF polygon(points);

    // create the QGraphicsPolygonItem
    attack_area = new QGraphicsPolygonItem(QPolygonF(points), this);

    // move the polygon
    QPointF poly_center(1.5, 1.5);
    poly_center *= SCALE_FACTOR;
    poly_center = mapToScene(poly_center);
    QPointF tower_center(x()+34, y()+64);
    QLineF ln(poly_center, tower_center);
    attack_area->setPos(x()+ln.dx(), y()+ln.dy());

}